MAX532

Features:

© Two 12-Bit MDACs with Output Amplifiers
© Fast, 6MHz 3-Wire Interface
© SPI, QSPI, and Microwire Compatible
© ±12V Output Swing
© ±10mA Output Current
© 2.5s Settling Time to ±1/2LSB
© Guaranteed Monotonic Over Temperature
© Low Integral Nonlinearity: ±1/2LSB Max
© Low Gain Tempco: 2ppm/°C
© Operates from ±12V to ±15V Supplies
© Power-On Reset
© Available in 16-Pin DIP and Wide SO Packages


Application

Automatic Test Equipment
Arbitrary Waveform Generators
Programmable-Gain Amplifiers
Motion Control Systems
Servo Controls


Pinout

Specifications

Pin Voltages
VDD to DGND, AGNDA, AGNDB........................-0.3V to +17V
VSS to DGND, AGNDA, AGNDB (Note 1) ..........+0.3V to -17V
VREFA, VREFB................................................(V_SS - 0.3V) to (V_DD + 0.3V)
AGNDA, AGNDB..............................................(DGND - 0.3V) to (V_DD + 0.3V)
VOUTA, VOUTB ..............................................(V_SS - 0.3V) to (V_DD + 0.3V)
RFBA, RFBB.....................................................(V_SS - 0.3V) to (V_DD + 0.3V)
SCLK, DIN, DOUT, LDAC, CS...........................(DGND - 0.3V) to (V_DD + 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
Note 1: If VSS is open-circuited with VDD and either AGND applied, the VSS pin will float positive, exceeding the Absolute Maximum Ratings.A Schottky diode  connected between VSS and GND ensures the maximum ratings will not be exceeded.


Description

The MAX532 is a complete, dual, serial-input, 12-bit multiplying digital-to-analog converter (MDAC) with output 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 supplies. All logic inputs are TTL and CMOS compatible. It comes in space-saving 16-pin DIP and wide SO packages.