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MAX532ACPEMAXN/a50avaiDual, Serial-Input, Voltage-Output, 12-Bit MDAC
MAX532ACPEMAXIN/a100avaiDual, Serial-Input, Voltage-Output, 12-Bit MDAC
MAX532AEWEMAXN/a210avaiDual, Serial-Input, Voltage-Output, 12-Bit MDAC
MAX532BCPEMAXN/a24avaiDual, Serial-Input, Voltage-Output, 12-Bit MDAC
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MAX532BEPEMAXIMN/a4avaiDual, Serial-Input, Voltage-Output, 12-Bit MDAC
MAX532BEWEMAXIMN/a21avaiDual, Serial-Input, Voltage-Output, 12-Bit MDAC


MAX532AEWE ,Dual, Serial-Input, Voltage-Output, 12-Bit MDACMAX53219-0046; Rev. 1; 3/94Dual, Serial-Input,Voltage-Output, 12-Bit MDAC_______________
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MAX532BCPE ,Dual, Serial-Input, Voltage-Output, 12-Bit MDACGeneral Description ________
MAX532BCPE+ ,Dual, Serial Input, Voltage-Output, Multiplying, 12-Bit DACGeneral Description ________
MAX532BCWE ,Dual, Serial-Input, Voltage-Output, 12-Bit MDACELECTRICAL CHARACTERISTICS(V = 11.4V to 16.5V, V = -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VRE ..
MAX532BCWE+ ,Dual, Serial Input, Voltage-Output, Multiplying, 12-Bit DACELECTRICAL CHARACTERISTICS(V = 11.4V to 16.5V, V = -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VRE ..
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MAX9789AETJ+ ,Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone AmplifiersELECTRICAL CHARACTERISTICS(V = PV = CPV = HPV = HP_EN = V (MAX9789 only) = +5V, V = V = V = SPKR_EN ..
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MAX532ACPE-MAX532AEWE-MAX532BCPE-MAX532BCWE-MAX532BEPE-MAX532BEWE
Dual, Serial-Input, Voltage-Output, 12-Bit MDAC
_______________General Description
The MAX532 is a complete, dual, serial-input, 12-bit
multiplying digital-to-analog converter (MDAC) with out-
put amplifiers. No external user trims are required to
achieve full specified performance. The MAX532’s 3-
wire serial interface minimizes the number of package
pins, so it uses less board space than parallel-interface
parts. The interface is SPI™, QSPI™ and Microwire™
compatible. A serial output, DOUT, allows cascading
of two or more MAX532s and read-back of the data
written to the device.
The device’s serial interface minimizes digital-noise
feedthrough from its logic pins to its analog outputs.
Serial interfacing also simplifies opto-coupler-isolated
or transformer-isolated applications.
The MAX532 is specified with ±12V to ±15V power sup-
plies. All logic inputs are TTL and CMOS compatible. It
comes in space-saving 16-pin DIP and wide SOpackages.
________________________Applications

Automatic Test Equipment
Arbitrary Waveform Generators
Programmable-Gain Amplifiers
Motion Control Systems
Servo Controls
____________________________Features
Two 12-Bit MDACs with Output AmplifiersFast, 6MHz 3-Wire InterfaceSPI, QSPI, and Microwire Compatible±12V Output Swing±10mA Output Current2.5µs Settling Time to ±1/2LSBGuaranteed Monotonic Over TemperatureLow Integral Nonlinearity: ±1/2LSB MaxLow Gain Tempco: 2ppm/°COperates from ±12V to ±15V SuppliesPower-On ResetAvailable in 16-Pin DIP and Wide SO Packages
______________Ordering Information
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC
________________________________________________________________Maxim Integrated Products1
__________________Pin Configuration
________________Functional Diagram
Call toll free 1-800-998-8800 for free samples or literature.

19-0046; Rev. 1; 3/94
™Microwire is a trademark of National Semiconductor Corp. SPI and QSPI are trademarks of Motorola, Inc.
Ordering Information continued on last page.

* Contact factory for dice specifications.
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC_______________________________________________________________________________________

Pin Voltages
VDDto DGND, AGNDA, AGNDB........................-0.3V to +17V
VSSto DGND, AGNDA, AGNDB (Note 1)..........+0.3V to -17V
VREFA, VREFB.............................(VSS- 0.3V) to (VDD+ 0.3V)
AGNDA, AGNDB.....................(DGND - 0.3V) to (VDD+ 0.3V)
VOUTA, VOUTB...........................(VSS- 0.3V) to (VDD+ 0.3V)
RFBA, RFBB.................................(VSS- 0.3V) to (VDD+ 0.3V)
SCLK, DIN, DOUT, LDAC, CS..(DGND - 0.3V) to (VDD+ 0.3V)
DOUT Sink Current.............................................................20mA
Continuous Power Dissipation (TA= +70°C)
Plastic DIP (derate 10.53mW/°C above +70°C)..........842mW
Wide SO (derate 9.52mW/°C above +70°C)................762mW
CERDIP (derate 10.00mW/°C above +70°C)...............800mW
Operating Temperature Ranges:
MAX532_C__......................................................0°C to +70°C
MAX532_E__....................................................-40°C to +85°C
MAX532_MJE................................................-55°C to +125°C
Junction Temperatures:
MAX532_C__, E__........................................................+150°C
MAX532_MJE...............................................................+175°C
Storage Temperature Range...........................-65°C to +160°C
Lead Temperature (soldering, 10sec)...........................+300°C
ELECTRICAL CHARACTERISTICS

(VDD= 11.4V to 16.5V, VSS= -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VREFA and VREFB = +10V, RL= 2kΩ, = 100pF, VOUT_ connected to RFB_, TA= TMINto TMAX, unless otherwise noted.)
Stresses beyond 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 beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS
Note 1:
If VSSis open-circuited with VDDand either AGND applied, the VSSpin will float positive, exceeding the Absolute Maximum Ratings.
A Schottky diode connected between VSSand GND ensures the maximum ratings will not be exceeded.
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC
_______________________________________________________________________________________3
ELECTRICAL CHARACTERISTICS (continued)

(VDD= 11.4V to 16.5V, VSS= -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VREFA and VREFB = +10V, RL= 2kΩ, CL= 100pF,
VOUT_ connected to RFB_, TA= TMINto TMAX, unless otherwise noted.)
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)

(VDD= 11.4V to 16.5V, VSS= -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V, VREFA and VREFB = +10V, RL= 2kΩ, CL= 100pF,
VOUT_ connected to RFB_, TA= TMINto TMAX, unless otherwise noted.)
Note 1:
Static performance tested at VDD= +15V, VSS= -15V. Performance over supplies guaranteed by PSR test.
Note 2:
Guaranteed by design. Not subject to production testing.
Note 3:
Open-drain output.
TIMING CHARACTERISTICS

(VDD= 11.4V to 16.5V, VSS= -11.4V to -16.5V, AGNDA = AGNDB = DGND = 0V) (Notes 4, 5)
Note 4:
All input signals are specified with tR= tF£5ns. Logic input swing is 0V to 5V.
Note 5:
See Figure 1.
Note 6:
Timing is for SCLK fall to DOUT fall to 0.8V, or for SCLK fall to DOUT rise to 2.4V. Additional time must be added for any
larger passive RC pull-up delay.
Note 7:
DOUT enable: DOUT falls to 4.5V from 5.0V. DOUT disable: DOUT rises to 0.5V from 0V.
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC
_________________________________________________________________________________________________5
1k10k
OUTPUT VOLTAGE SWING
vs. RESISTIVE LOAD

LOAD RESISTANCE (Ω)
OUT
(V
p-p
100100k
NOISE SPECTRAL DENSITY

FREQUENCY (Hz)
NOISE SPECTRAL DENSITY (nV Hz)
1001k10k
10010k10M
LARGE-SIGNAL FREQUENCY RESPONSE

FREQUENCY (Hz)
GAIN (dB)
-30100k1M-20
10010k10M
SMALL-SIGNAL FREQUENCY RESPONSE

FREQUENCY (Hz)
GAIN (dB)
-20100k1M
-85100k
MULTIPLYING FEEDTHROUGH ERROR

FREQUENCY (Hz)
ATTENUATION (dB)
10k1M
1001k10k
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH = 80kHz)

FREQUENCY (Hz)
THD (dB)
10010k100k
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (BANDWIDTH > 500kHz)

FREQUENCY (Hz)
THD (dB)
__________________________________________Typical Operating Characteristics
(VDD= 15V, VSS= -15V, RL= 2kΩ, CL= 100pF, unless otherwise noted.)
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC
______________________________________________________________Pin Description
____________________________Typical Operating Characteristics (continued)

(VDD= 15V, VSS= -15V, RL= 2kΩ, CL= 100pF, unless otherwise noted.)
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC
_______________________________________________________________________________________7

Figure 1. Timing Diagram
____________________________________________________________Timing Diagrams
MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC_______________________________________________________________________________________

Figure 2. 3-Wire Interface Timing Diagram (LDAC= DGND)
Figure 3. 4-Wire Inferface Timing Diagam
_______________________________________________Timing Diagrams (continued)
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