MAX170DCWE+ ,Serial Output, 5.6µs, 12-Bit ADC with ReferencelVI/JXI/VI
Serial Output 5.6th 12-Bit A/D Converter
MAX170DEWE+ ,Serial Output, 5.6µs, 12-Bit ADC with ReferenceGeneral Description
The MAX17O is a complete CMOS 12-bit A/D converter
that combines high speed ..
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MAX170CCPA+-MAX170CCWE+-MAX170CEWE+-MAX170DCPA+-MAX170DCWE+-MAX170DEWE+
Serial Output, 5.6µs, 12-Bit ADC with Reference
Serial Output 5.6LLS 12-Bit A/D Converter
General Description
The MAX17O is a complete CMOS 12-bit A/D converter
that combines high speed and accurate performance
with a cost and space saving serial interface in an
8-lead DIP or 16-lead surface mount so package. It
uses a high speed DAC and an accurate comparator in
a successwe approximation loop to achieve a 5.6ps
conversion time. An on-chip buried-zener reference
provides low drift performance over the full temperature
External components are limited only to supply and ref-
erence decoupling capacitors. Tho CLOCK input can
be driven from an external clock source such as a
divided-down microprocessor clock. The MAX17O
works with WN and ~12V to -15V supply voltages, typi-
cally dissipating 135mW.
The MAX17O is designed to work with general purpose
serial-lo-parallel converters, such as the 74HC595, It
can arlso be used with digital-signal-processors such as
the TMS32020, TMS320C25, NEC WPD7720 or the
DSP56000. The MAX17O has a three-wire interface that
serially outputs a leading one, followed by 12 data bits
(MSB first)
When the MAX17O is used with an external sample-
and-hold amplifier, a maximum sampling rate of
125kHz is possible
Applications
Telecommunication
Digital Signal Processing (DSP)
Sonar/Radar Signal Processing
Isolated Industrial Data Acquisition
Functional Diagram
t 5 25V DAC
REFERENCE
CUNVST/7
EOC_ '
CONTROL
cr0cri-'- LOGiC
-tr----'- DATA
2fllA2h2ClLAlAl
Features
12-Bit Resolution and Linearity
5.6ps Fast Conversion Time
Serial Output
Self-Start Mode
Complete with On-Chip Reference
Low Power (135mW)
Easy to Opto- or Transformer-lsolate
Small Footprint 8-Lead DIP, 16-Lead SO
Ordering Information
PART - TEMP. RANGE PACKAGE ERROR
MAX17OCCPA CFCto +70'C Plastic DIP tl/2 LSB
MAX17ODCPAW 00 to +70%: Plastic DIP +1 LSB
MAX17OCCWE 00c to non Wide so l 1/2 LSB
MAX17ODCWE owe to +70'"C Wide so i 1 LSB
MAX17ODC/D CFC to +70oC Dice tl LSB
MAXi/OCEPA -40‘C to +85"C Plastic cvit, 1/2 LSB
MAX17ODEPA -40 c to +850 Plastic DIP Il LSB
MAX170CEWE Arc to +85t Wide so :1/2 LSB
MAX17ODEWE AFC to +85'C Wide so :1 L88
MAX17OCMJA 5590 to +125“c CERDIP t 1/2 LSB,
MAX170DMJA 55%: to +125"C CERDIP ti LSB
All DIP packages are 8 leads, all SO packages are 16 leads.
Contact factory ior "A" and "B" grades.
Pin Configurations
TOP VIEW
. iead: 6. 7 and 8 must be
connected logging! " 05053 fa the package " passmie
VD” I El Vss
AIN E [$33350 T CONVST/EEE
Vnsr E El CLOCK
GNU Lt El DATA
Moo [E . Gl l/ss
ND E MAXIM E N C,
N C MAXI70 E N c
AIM [E 13 CONVST/EEC
VREF Li E CLOCK
‘AGMD E 1] N C.
‘AGND I E] N C
‘DGND 9 DATA
MAXI/VI
Call toll free 1-800-998-8800 for free samples or literature.
Maxim integrated Products 1
01 LXVM!
MAX17O
Serial Output 5.6,us 12-Bit A/D Converter
ABSOLUTE MAXIMUM RATINGS
VDD to GND mr_rmmm.._.._Frrr_r__rr___r____. -02 to +7V
Vssto GND .............................. +0.3V to -17V
AIN to AGND .................................... i15V
Digital Input Voltage to GND ...........
(Pins 6, 7, DIP)
Digital Output Voltage to GND ......... -t13V, VDD +0.3V
(Pin 5, DIP)
-02V, V00 00 3V
C (u19UL,'ty Mammy Ir F'i! ng's‘
. " (“T‘G’I’
‘l EUL‘NLIBJ Ce
ELECTRICAL CHARACTERISTICS
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Operating Temperature Ranges
MAX170XC ............................. 0°C to +70°C
MAX170XE ........................... 40°C to r85''C
MAX170XM .......................... -55°C to r1200C
Storage Temperature Range ............ -65°C to 'l6ty'C
Power Dissipation (any package) to 470°C ...... 500mw
Derates Above +75°C by .................. 6.25mW/“C
Lead Temperature (Soldering 10 seconds) ....... ’300°C
‘(H 01‘ Tis), J'w
_ rn' Tc SCUU‘
(VDLI - +5V 15%. Vss = -11 4V 10 -lfb 7bV,ICLr, = P 5MH2 'a = TM“ to TMAK. unless otherwise noted)
' -rem_urE_TEn
I SYMBPL CONDITIONS MIN
ACCURACY -
Rasoluhon 12
; TA = 25 C M/l-xl/xi;
Irr'raotiil Nsnlmeanlv NI MAX 1 7OCC/CE
' MAX17OCM
l _ - -l-a,,a-,,c, MAX17OD, - I W
DrHcremial Nonhneanly DNI F Ggarameed Monolomc Over Temperature
OHscI ErromNole l) "Pj/lx/f/f,
Full Scale Error (Note ) _ TA”: 5 C
Full Scale Tempcc i - I I fi MAX17OC ,
(N(JIOS a4) _ MAXI7OD
Conversion Time A [COW "-rs Clock Cycles -
ANALOG INPUT 7 - 7’—
hmul Vollage Range F O
lrpul Current T j AIN = 0V to +5V V
[NTEREL REFERENCE - _ _7
VHFF Output Voltage _ TA = 2.5 C - 75 2
VHll Output Temper) m MAXWOC V
(Nolo 5) MAXWOD I
sey,hei)f,,etr,rti"y'" (Noteei)
POWER SUPPLY nETECfION W
PUSH, ve Supply Reyeion VDI) l \F/EgjajggVngP-JVSV or 12V
Negauve Supply Relectiorn Vss SSS 'tis,, : Hab/XOIO i;56\7/5V
7 LOGIC INPUTS --- i -
mm! Low Voltage "
I Input Hugh Vo‘lag: VHI - - I 2.4
' Inpul Capacnlance (Note 7) _ Cm - r - -
_ Input Current lm AIN = 0 to VDD gbclf/gT/EOC WOO
ppm,' C
lVI/J X l IVI
