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TB31206FN
Phase Lock Loop
TOSHIBA TB31206FN/AFN
TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC
TB311206FN, TB31 206AFN
PLL FREQUENCY SYNTHESIZER
FEATURES
. One packaging CH1/CH2 two systems prescaler and PLL.
0 Low operating power supply voltage
I Vcc--2.7--5.5V
0 Low current consumption FN : ICC-- 16.5 mA(Typ.)
AFN ', lcc=14.5 mA(Typ.)
Input frequency : hN=520--1100 MHz
High input sensitivity : 1/iN=92--107dB/N
Charge pump is constant current type, and is able to
change output current by serial data
0 Reference oscillation circuit is adopted circuit of bipolar, SSOP16-P-225-th65B
so getting the stable X'tal oscillation circuit Weight : 0.07g (Typ.)
It Available standby control in CH1 and CH2 independent
of each other
It The very small package : SSOP16pin (0.65 mm pitch)
BLOCK DIAGRAM
CP2 BO
COMPARATOR
SW XIN XOUT
SWITCH BUFFE
PROGRAMMABLE
DIVIDER
REFERENCE
DIVIDER
PROGRAMMABLE
DIVIDER
CONTROL CIRCUIT
COMPARATOR
DETECTOR
.N.. VCO
Modulation in
1 2002-03-29
TOSHIBA
PIN FUNCTION (The values of resistor and capacitor are typical.)
TB31206FN/AFN
PIN PIN
No. NAME FUNCTION INTERNAL EQUIVALENT CIRCUIT
1 CP1 Output terminal of charge pump.
Charge pump is constant current output circuit, and
output current is varied by input serial data.
16 CP2
2 GND GND Terminal. -
15 GND
3 mm C) 5kQ i‘. "tere
3/14 '"" _ t
Input terminal of RF oscillation signal. , l gs
14 le2 x C) 'ctd
GND "'"%-..
4 VCC Power Supply Terminal. -
13 VCC
5 LD Output terminal of lock detector.
It is the open drain output. ”55
Switchover terminal for constant of loop filter. VCC
It is the open drain output. 200Q
12 SW ' . . .
When don t switch constant of loop filter, available ._33
general output. GND
6 CLK Input terminal of clock.
7 DATA Input terminal of serial data. Input the serial data
for controlling IC.
8 STB Input terminal of strobe signal.
Output terminal of buffer amplifier. ff-n
9 BO The signal of local oscillation is output through the S,
buffer amplifier. C(1) 122,51 ‘3
1O XOUT Output terminal of local oscillation signal.
Input terminal of local oscillation signal.
11 XIN In case of external input, connecting it to this
terminal.
TOSHIBA TB31206FN/AFN
DESCRIPTION OF FUNCTION AND OPERATION
l. Entry of serial data
It Serial data used to control the IC is input through three terminals, CLK, DATA and STB.
C) During the rise of a clock pulse, data is fed to the shift register in the IC in order from
the LSB.
© Upon the reception of all data, the strobe signal (STB) is made "H".
(3 After the situation of 2), the data stored in the shift register is transferred to the latch in
the block selected by the group code, whereby the IC is controlled.
It The three terminals, CLK, DATA and STB, contains Schmitt trigger circuits to prevent the data
errors by noise, etc.
C) Serial data group and group code
It The IC has control divided into four groups so that they may be controlled independent of
one another. Each group is identified by a two-bit group code attached at the data end.
CODE ITEM
10 Number of divisions by CH1 programmable divider (le1)
01 Number of divisions by CH2 programmable divider (fIN2)
11 Number of divisions by reference divider (XIN)
00 Optional control
CD Serial data input timing
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TOSHIBA TB31206FN/AFN
2. CHANNEL dividers (CH1, CH2)
0 These programmable dividers are composed of a half fixed divider, a 6bit swallow counter
(6bit programmable divider), a 11bit programmable counter, and a two-modulars prescaler
providing 64 and 65 divisions.
o The strategy of a swallow counter is used to set high reference frequency.
It Sending certain data to the swallow counter and the programmable counter allows the
setting of any of 8064 to 262142 divisions (multiple of two).
It The programmable counter and swallow counter are set by each channel. Each channel is
specified by a group code.
4=slA0lA1lA2lA3lA4lA5lM0lM1lM2lM3lM4lM5lM6lM7lM8lM9IM10l l l
I I I I I I
Swallow counter Programmable counter Group code
CH1 : "10"
CH2 : "OI"
A=A0+A1x21+-. +A5x25
M=M0+M1x21+ ...... +M10x210
Number of divisions=2 (64N +A)
8064S Number of divisionsS262142
(EX) A Signal of 900MHz is entered into le1: being divided into 25.0kHz step.
(Reference frequency is 12.5kHz)
900x105+(25.0x103-:-2)=72000
72000 = 2 (64N +A)
l N=562, A=32
3. Reference divider
o This block generates the reference frequency for the PLL.
o This reference divider is composed of a 12bit reference counter and a half fixed divider.
It Sending certain data to the reference divider allows the setting of any of 6 to 8190 divisions
(multiple of two).
_=slD0lD1lD2lD3lD4lD5lD6lD7lD8lD9lD10lD11l1lll
I I l l
Reference counter Group code
Number of divisions=2D
6S Number of divisions: 8190
(EX) With a 12.8MHz X'tal oscillator connected, being divided into 25.0KHz step.
(Reference frequency is 12.5kHz)
12.8x106:-(25.0x103=.2)=1024
2D = 1024
l D=512
[D:D0+D1x21+ ...... D10x210+011x211
4 2002-03-29
TOSHIBA TB31206FN/AFN
4. Optional control
0 The optional control below is available.
C) Test mode (Usually set up T=''0").
© Control and polarity control of the charge pump output current for each channel.
(3) Output terminal for lock detector.
© Standby control of CH1, CH2 and reference divider.
© Control of filter switch.
LSB CH1 CH2
4=| T |CP (sw CP1|CP2 CP1|CP2 LD1lLD2lsB1lsB2lsBRl o l ol
cl LI LI I I I I I I I I
Test Polarity Switch Charge pump Lock Standby Group
1=ON output current detector code
|:0=OFF
T : Bit for test mode
CP : Switchover bit for charge pump output polarity
SW : Control bit for filter switch
CPI, 2 : Switchover bit for charge pump output current
LD1, 2 : Control bit for lock detector output
SBI, 2 : Standby control bit for CH1, CH2
SRB : Standby control bit for reference divider
0 Description of options including their control
(D Test mode (T)
Bit "T" is for test mode. In other than the test mode, set this bit at "O".
© Control of charge pump output current (CPI, CP2)
This IC uses a constant current output type charge pump circuit. Output current is varied
by serial data "CPI" and "CP2".
CHARGE PUMP OUTPUT CURRENT
CONTROL BIT CHARGE PUMP High speed lock up is possible by switching
CP1 CP2 OUTPUT CURRENT charge pump output current.
0 o 1100pA
O 1 -+200PA
1 o -+400PA
1 1 +-800PA
This resistor isn't needed.
(Note) r-*RF--f
|______I
5 2002-03-29
TOSHIBA
TB31206FN/AFN
Charge pump output polarity (CP)
Bit "CP" can be reversed charge pump output polarity.
CHARGE PUMP OUTPUT POLARITY
CP OUTPUT POLARITY
0 Normal
1 Reverse
(3) Lock detector output
When phase comparator detects phase difference, LD terminal (pin 5) outputs "L". When
phase comparator locks, LD terminal outputs "H". On standby, outputs "H".
LD terminal output is controlled by "SBI", "SM", "LD1" and "LD2".
CONTROL BIT 5PIN OUTPUT
SBI SB2 LD1 LD2
0 1 CH2 only detect
0 0 1 0 CH1 only detect
1 1 CH1 * CH2
0 1 1 0 CH1 only detect
1 1 CHI only detect
1 0 0 1 CH2 only detect
1 1 CH2 only detect
1 1 1 0 H
Logical multiplication
(AND) of CH1, CH2
About SBI, SB2 bit
[0 .' Normal operation
1 : Standby
TOSHIBA TB31206FN/AFN
Reference divider output I l
Channel divider output :L
Charge pump output -l"
Lock detector output
__‘ """=I
'--- At this point T<2/fxl
fXI .. XIN operating frequency (X'tal OSC)
T .... The time difference of the pulse between reference divider output and channel
divider output. (Phase difference)
fpc .. Phase comparison frequency
A..-. Number of division: by reference divider (s)= f1 (s)
B =2/fxl (s)
When the situation that T is less than B (T
detector outputs "H".
(4) Standby control (SB1, SM, SBR)
Standby control by three bits (SB1, SM, SBR).
Bits "SBI" and "SB2" do standby control of CH1, CH2. Bit "SBR" does standby control of
reference divider.
CONTROL BIT STATE
REFERENCE
SBI $32 SBR CH1 CH2 DIVIDER
0 o * ON ON ON I I k
nter oc ing
0 1 * ON OFF ON Jmode
1 0 * OFF ON ON
1 1 0 OFF OFF ON - REFERENCE
1 1 1 OFF OFF OFF DIVlDER ON
Note : * is don't care.
7 2002-03-29
TOSHIBA TB31206FN/AFN
© Filter switch control (SW)
Control of SW terminal by bit "SW".
This terminal is for switching constant of loop filter.
Output type of this terminal is open drain output. Switching the resistor of loop filter by
this terminal with switching charge pump output current, high mode and normal mode
can operate PLL by ideal braking factor.
When constant of loop filter don't change switch, available general output.
FILTER SWITCH CONTROL
SW OUTPUT
5. X'tal oscillation circuit and buffer amplifier
This IC has a stable oscillation circuit composed of bipolar.
In case of the external input of reference frequency directly, use XIN terminal (pin11).
For the common use of M'tal of the X'tal oscillation circuit for the PLL and X'tal of the local
oscillation to 2'nd MIX, output terminal of local oscillation signal with buffer amplifier (pin 9) may
be used.
This terminal (pin 9) is provided with a buffer amplifier.
8 2002-03-29
TOSHIBA TB31206FN/AFN
MAXIMUM RATINGS (Ta =25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Power Supply Voltage VCC 6 V
Power Dissipation PD 560 mW
Operating Temperature Topr -30~85 °C
Storage Temperature Tstg - 55--150 "C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Vcc-- 3.0V, Ta =25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Operating Power
V 1 - 2.7 3.0 5.5
Supply Voltage CC V
25:31:01.1"; - 16.5 21.5
Operating Current Icco 1 CH1, CH2 operating - 14 5 19 5 mA
Consumption : AFN . .
fIN Operating le1 1 ViN1=92--107dBpV *1 520 - 1100 MHz
Frequency le2 1 VIN2 =92--107dBpN *1 520 - 1100
._. . 1htul 1 hN1=520--1100MHz *1 92 - 107
fiN Input Sensitivity VINZ 1 fIN2 =520--1100MHz *1 92 - 107 dB/N
XIN Operating - -- . *
Frequency 1X. 1 VX|_102 112dBpN Sin wave 1 5 - 25 MHz
XIN Input Voltage VXI 1 fXI =5-25MHz 102 107 112 dBp1/
VIH - STB, DATA, CLK xgcs Vcc 5.7
Input Voltage . V V
" - STB, DATA, CLK -0.2 0 CC
CLK Input Frequency fCLK - CLK - - 1.0 MHz
Icp1 1 "CP1"=0, "CP2"=0, ch=1.5V - 1100 -
Charge Pump Output ICPZ 1 "CPI" =0, "CP2"= 1, ch= 1.5V - i200 - A
Current Icp3 1 "CP1"=1, "CP2"=0, vcp=1.5v - i400 - /r
Icp4 1 "CP1" = 1, "CP2" = 1, ch =1.5V - i800 -
Charge Pump OFF Leak
Current CPOFF 1 Standby mode, Vcp=1.5V - 1.0 - 1.0 pA
*1 : When input is terminated with 500.
REFERENCE DATA (Typ.)
CH1 CH2 "ft/Will/iz CURizNT CONSUXEIEION UNIT N : Normal operating
N N ON 16.5 14.5 mA s : Standby mode
N s ON 9.0 8.0 mA
s N ON 9.0 8.0 mA
s s ON 1.4 1.4 mA
s s OFF 0 o prA
9 2002-03-29
TOSHIBA TB31206FN/AFN
TEST CIRCUIT
ICP2 CE
ET (2)—
16 43 Il.?.) 'QI.,)
CP2 GND Vcc XIN
TB31206FN/AFN
CP1 LD CLK, DATA, STB
‘"-F——
t, + ICC A |CP1Q i. serial data
_- , v fIN1 Cl g
VCC/l CP1; VIN1 SlF
FN 2 CURRENT CONSUMPTION - FN : CURRENT CONSUMPTION -
POWER SUPPLY VOLTAGE POWER SUPPLY VOLTAGE
A ALL ON A
'li. s'5
if, Reference divider ON (ii Reference divider ON
ALL OFF ALL OFF
0 2 4 6 8 0 2 4 6
POWER SUPPLY VOLTAGE VCC (v) POWER SUPPLY VOLTAGE VCC (V)
10 2002-03-29
TOSHIBA
lcp (#A)
CHARGE PUMP OUTPUT CURRENT
Icp (#A)
CHARGE PUMP OUTPUT CURRENT
Icp (#A)
CHARGE PUMP OUTPUT CURRENT
CHARGE PUMP OUTPUT CURRENT -
CHARGE PUMP VOLTAGE (CH1)
800 tzA
VCC = 3.0 V
N-ch ON
400 prA
200 pr/k
100 pt/k
0 l 2 3 4
CHARGE PUMP VOLTAGE ch (V)
CHARGE PUMP OUTPUT CURRENT -
CHARGE PUMP VOLTAGE (CH1)
100 pA
200 pA
0 1 2 3 4
CHARGE PUMP VOLTAGE ch (v)
CHARGE PUMP OUTPUT CURRENT -
POWER SUPPLY VOLTAGE (CH1)
0 2 4 6 8
POWER SUPPLY VOLTAGE VCC (V)
lcp (#A)
CHARGE PUMP OUTPUT CURRENT
'CP (#A)
CHARGE PUMP OUTPUT CURRENT
'CP (#A)
CHARGE PUMP OUTPUT CURRENT
TB31206FN/AFN
CHARGE PUMP OUTPUT CURRENT -
CHARGE PUMP VOLTAGE (CH2)
800 pA
Vcc = 3.0 V
N-ch ON
400 PA
200 pA
100 pA
0 1 2 3 4
CHARGE PUMP VOLTAGE ch (V)
CHARGE PUMP OUTPUT CURRENT -
CHARGE PUMP VOLTAGE (CH2)
100 pA
0 1 2 3 4
CHARGE PUMP VOLTAGE ch (V)
CHARGE PUMP OUTPUT CURRENT -
POWER SUPPLY VOLTAGE (CH2)
800 pzA
VCP = Irs/cc
N-ch ON
400 PA
200 pA
100 PA
0 2 4 6 8
POWER SUPPLY VOLTAGE VCC (V)
TOSHIBA
CHARGE PUMP OUTPUT CURRENT -
POWER SUPPLY VOLTAGE (CH1)
-100/1A
-200 PA
'CP (#A)
- 400 pzA
- 800 1
VCP = 3 Vcc
P-ch ON
POWER SUPPLY VOLTAGE VCC (V)
CHARGE PUMP OUTPUT CURRENT
- 800 pA
- 1000
INPUT SENSITIVITY -
INPUT FREQUENCY (CH1)
VCC = 3.0 V
0 N = 50000 dividing
0 500 1000 1500
INPUT FREQUENCY flNI (MHz)
AFN : INPUT SENSlTlVlTY -
INPUT FREQUENCY (CH1)
E. 100
Vcc = 3.0 V
0 N = 50000 dividing
0 500 1000 1500
INPUTFREQUENCY le1 (MHz)
Icp (#A)
CHARGE PUMP OUTPUT CURRENT
(dB/tV)
INPUT SENSIT|VITY lez
xlN INPUT VOLTAGE vx. (dB/AV)
TB31206FN/AFN
CHARGE PUMP OUTPUT CURRENT -
POWER SUPPLY VOLTAGE (CH2)
- 100 pA
-200 111A
- 400 pA
- 800 1
VCP = 3Vcc
P-ch ON - 800 pA
1 2 3 4
POWER SUPPLY VOLTAGE VCC (V)
INPUT SENSITIVITY -
INPUT FREQUENCY (CH2)
VCC = 3.0 V
0 N = 50000 dividing
O 500 1000 1500
INPUTFREQUENCY le2 (MHz)
XIN INPUT VOLTAGE -
XIN INPUT FREQUENCY
VCC = 3.0V
N = 50000 dividing
0 20 40 60 80 100
XININPUTFREQUENCY le (MHz)
TOSHIBA
APPLICATION CIRCUIT
TB31206FN/AFN
q gwI’uC- u. LL
tr: ecu ts um. m t%
us VCO "S C a
rs, g m _ lil :3 'tl
8 t D": m ji) Fe LE Je 0E0: C11 U V " t
“T3 ore " A H), e,!?-')
120 F .-
iw, (ir) 14 (lp, (i2 11 p 9
CP2 GND I hra Vcc Y SW T XIN XOUT BO
PHASE 1/2
COMPARATOR SWITCH
PROGRAMMABLE 64165 1/2
DMDER "l REFERENCE
DIVIDER
PROGRAMMABLE ‘J 1 l l
DIVIDER 64 65
i '" CONTROL CIRCUIT
PHASE 1/2 LOCK
COMPARATOR DETECTOR j, i i
CP1 GND A f V LD CK DATA STB
-d Ci) Iii)'" (ii)1c (rs 1 1 1
LL 513120
- ILE "cc“‘g 38 CPU
Vccl G a "ttig."' , 3
J L" u. VCO 'd g
Nnuim di _-
UL: Ulm m Modulation in l
Set up conditions (E-TACS)
1. Frequency bandwidth , 32.975MH2
2. Frequency probability error ; i1kHz
3. Lock up time ; 30ms (calculated value)
4. X'tal frequency (fXI) ; 12.8MH2
5. Phase comparison frequency (fpc) ; 12.5KHz
6. Charge pump current (Icp) ; 800PA
TX(CH1)
A/CO frequency
A/CO conversion sensitivity
RX(CH2)
A/CO frequency
A/CO conversion sensitivity
888.5MH2 (center)
. 14MHz/V
978.5MH2 (center)
. 13MHz/V
TOSHIBA TB31206FN/AFN
PACKAGE DIMENSIONS
SSOP16-P-225-0.6SB Unit : mm
jillWlppl, " I IT
cu co, N Ir.-?
lil it. '2 a
C) " co tl.
I I I "
H H EH w IL
0.23TYP =1 _ 0.22_o.1 c, o.13®
Weight : 0.07g (Typ.)
14 2002-03-29
TOSHIBA TB31206FN/AFN
RESTRICTIONS ON PRODUCT USE
000707EBA
OTOSHIBA is continually working to improve the quality and reliability of its products.
Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent
electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer,
when utilizing TOSHIBA products, to comply with the standards of safety in making a safe
design for the entire system, and to avoid situations in which a malfunction or failure of such
TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please
keep in mind the precautions and conditions set forth in the "Handling Guide for
Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc..
OThe TOSHIBA products listed in this document are intended for usage in general electronics
applications (computer, personal equipment, office equipment, measuring equipment, industrial
robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor
warranted for usage in equipment that requires extraordinarily high quality and/or reliability or
a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended
Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship
instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA
products listed in this document shall be made at the customer's own risk.
0 The products described in this document are subject to the foreign exchange and foreign trade
OThe information contained herein is presented only as a guide for the applications of our
products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of
intellectual property or other rights of the third parties which may result from its use. No
license is granted by implication or otherwise under any intellectual property or other rights of
TOSHIBA CORPORATION or others.
0 The information contained herein is subject to change without notice.
15 2002-03-29
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