MX7542KCWE+ ,CMOS, 12-Bit, µP-Compatible DACApplications MX7542KCWE 0°C to +70'C Small Outline b'4 L58
MX75426KCWE tro to v70°C Small Oumne w: ..
MX7542KN ,CMOS レP-Compatible 12-Bit DACFeatures
The MX7542 is a CMOS 12-Bit digital-to-analog con- . 12-Bit Resolution
verter (DAC) whic ..
MX7543AQ ,CMOS Serial Input 12-Bit DACFeatures
. Serial Interface
. :1/2 and ll LSB Linearity
. CLEAR Input For Initialization
..
MX7543GKCWE ,CMOS Serial Input 12-Bit DACFeatures
. Serial Interface
. :1/2 and ll LSB Linearity
. CLEAR Input For Initialization
..
MX7543JCWE ,CMOS Serial Input 12-Bit DACELECTRICAL CHARACTERISTICS
(TA : TWN to TMAX, VDD = +5V, VREF = +1OV, Vour; = V0012 = GND, unles ..
MX7543JCWE ,CMOS Serial Input 12-Bit DACELECTRICAL CHARACTERISTICS
(TA : TWN to TMAX, VDD = +5V, VREF = +1OV, Vour; = V0012 = GND, unles ..
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MX7542KCWE+
CMOS, 12-Bit, µP-Compatible DAC
sflMLA] Diet 1,d1]A]
CMOS pP-Compatible 12-Bit DAC
- - _ _ -- - General Description
The MX7542 is a CMOS 12-Bit digital-to-analog con-
verter (DAC) which directly interfaces to both 8-bit
and 4-bit microprocessors. Input data is loaded as
three 4-bit bytes, and is then transferred to an internal
12-bit DAC register. Data load and transfer interface
timing is similar to that of a static RAM write cycle.
A clear input is also provided which resets the DAC
register to all zeros. This can be used to initialize the
device on power up or during software calibration
routines.
Low power consumption, +5V operation, and multi-
plying capability make the MX7542 suitable for
numerous high precision processor controlled DAC
applications. The MX7542 is supplied in 16-lead DIP
and Small Outline packages.
Applications
Programmable Power Sources
Portable Test Equipment
Digitally Controlled Filters
Auto-Calibration Circuitry
Motion Control Systems
- -----.--_ _ - Functional Diagram
Features
tr 12-Bit Resolution
t i1/2 LSB Linearity Over Temperature
. KI LSB Gain Accuracy (MX7542G)
t 5ppm/°C Max. Gain Drift
t Microprocessor Compatible
. 40mW Max. Power Dissipation
. +5V Operation
Ordering Information
PART TEMP. RANGE PACKAGE' ERROR
MX7542JN 0°C to +70°C Plastic DIP _+1 LSB
Mx7542KN 0°C to +70°C Plastic DIP t'h LSB
MX7542GKN 0°C to +70°C Plastic DIP th LSB
MX7542JCWE 0°C to +70°C Small Outline +1 LSB
MX7542KCWE 0°C to 470°C Small Outline ty, LSB
MX7542GKCWE 0°C to '70''C Small Outline w: LSB
MX7542J/D 0''C to '70oC Dice tl LSB
MX7542AD -25°C to '85''C Ceramic +1 LSB
MX7542BD -25''C to '85''C Ceramic tri, LSB
MX7542GBD -25°C to +85°C Ceramic ''4 LSB
MX7542AQ -25''C to 485°C CERDIP" +1 LSB
MX754280 -25''C to +85°C CERDIP" iv, LSB
Mx7542680 -25''C to 435°C CERDIP" iv; LSB
MX7542SD -55"C to 425°C Ceramic fl LSB
MX7542TD -55'C to 425°C Ceramic 2W; LSB
MX7542GTD -55°C to +125°C Ceramic ''4 LSB
MX7542SO -55°C to 425°C CERDIP" ll LSB
MX7542TQ -55°C to 425°C CERDIP" td LSB
MX7542GTO -55°C to 425°C CERDIP" ey, LSB
“miss mism
OECDUE
IZ-BIY MULTIPLVINB MC
W8lf MC REGISTER
fi141ttt
REGISTER
l-IYTE
REGISTER
l in mm
. All devices - 16 lead packages
.. Manm reserves the right to ship Ceramic packages in lieu of
CERDIP packages
Pin Configuration
Top View UUTI or-n 'e-ss, Hrs
cum: Evan
mm: MAX'M Evan
03E MX7542 31m;
02!: CE iltlllll
01E El Al
00E Ei] All
tt LE E m
9MM3COM
Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim's website at .
MX7542
CMO5 pP-Compatible 12-31111 DAC
ABSOLUTE MAXIMUM RATINGS
VDD to AGND ................................ 03v, +7V
Voo to DGND ............................... -0.3v. +7V
AGND to DGND ................................... Va,
DGND to AGND ................................... vDD
Digital Input Voltage to DGND ........
(Pins 4-11, 13)
VFW, mez to AGND ................. -0.3V, Voo f 0.3V
VREF to AGND .................................... t25V
VRFB to AGND .................................... i25V
-0.3v. Vor, ' 0.3V
Power Dissipation .............................. 450mW
(derate 6mW/°C above +70°C)
Operating Temperature Range
Commercial MX7542J, K, GK _............ 0°C to 170°C
Industrial MX7542A, B, GB ............. -25°C to +85°C
Military MX7542S. T, GT .............. -55''C to +125°C
Storage Temperature .................. -65''C to +150°C
Lead Temperature (Soldering 10 sec) ............ +300°C
Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only. and
functional operation of the device at these or any other. conditions above those indicated in the operational sections of the specifications IS not
implied. Exposure to absolute maximum ratings conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(T, = TMIN to TMAX- VDD = HN, VREF = +10V, Voun = Vourz = GND, unless otherwise specified)
PARAMETER [SYMBOLI CONDITIONS 1 MIN TYP MAX LUNITS
DC ACCURACY
Resolution 12 Bits
MX7542J/A/S i1
Non-Linearity MX7542K/B/T 10.5 LSB
MX7542GK/GB/GT $0.5
MX7542J/A/S (Note 1) t2
Differential Non-Linearity MX7542K/B/T (Note 2) tl LSB
MX7542GK/GB/GT (Note 2) fl
MX7542J/K/A/B/S/T TA = 25°C i123
MX7542J/K/A/B TMIN to TMAX :135
MX75428/T T to T i146
Gain Error MIN MAX LSB
MX7542GK/GB/GT T, = 25°C AI
MX7542GK/GB Twr: to TMAX fcl
MX7542GT MIN to TMAX "
Gain Temperature Coefficient o
AGain/ATemperature (Note 4) 2 5 ppm/ C
Power Supply Rejection PSRR VDD = +4.75V to +5.25V P 25 C 0.005 %/%VDD
Mm to TMAX 0.01
TA = 25°C 1
Output Leakage Current MX7542J/K/GK TMIN to TMAX 10 nA
' 10m (Note 3) MX7542A/B/GB TMIN to TMAX 10
MX7542S/T/GT TMIN to TMAX 200
DYNAMIC PERFORMANCE (Note 4)
Output Current Settling Time To 1/2 LSB, Out1 Load = 1000 2 us
Feedthrough Error VREF = i10V 10kHz sine wave 2.5 mVpp
REFERENCE INPUT
Input Resistance (pin 15) I RREF I a 15 25 1 k0
ANALOG OUTPUT (Note 4)
Cour, DAC Register 0000 0000 0000 75
. DACRegister111111111111 260
Output Capacitance OUT DAC Register 1111 1111 1111 75 pF
OUT DAC Register 0000 0000 0000 260
2 ll/l A X l IVI
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