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MAX5322EAIMAXIMN/a300avai+/-10 V, 12-bit, serial, voltage-output DAC


MAX5322EAI ,+/-10 V, 12-bit, serial, voltage-output DACELECTRICAL CHARACTERISTICS (DUAL SUPPLY)(V = +15V ±5%, V = -15V ±5%, V = +5V ±10%, AGND = DGND = SG ..
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MAX5322EAI
+/-10 V, 12-bit, serial, voltage-output DAC
General Description
The MAX5322 dual, 12-bit, serial-interface, digital-to-ana-
log converter (DAC) provides bipolar ±5V to ±10V out-
puts from ±12V to ±15V analog power-supply voltages, or
unipolar 5V to 10V outputs from a single 12V to 15V ana-
log power-supply voltage.
The MAX5322 features excellent linearity with both inte-
gral nonlinearity (INL) and differential nonlinearity (DNL)
guaranteed to ±1 LSB (max). The device also features a
fast 10µs to 0.5 LSB settling time, and a hardware-shut-
down feature that reduces current consumption to 2.8µA.
The output goes to midscale at power-up in bipolar
mode (0V), and to zero scale at power-up in unipolar
mode (0V). A clear input (CLR) asynchronously clears
the DAC register and sets the outputs to 0V. The outputs
can be asynchronously updated with the load DAC
(LDAC) input.
The device features a fast 10MHz SPI™-/QSPI™-
/MICROWIRE™-compatible serial interface that operates
with 3V or 5V logic. Additional features include a serial-
data output (DOUT) for daisy chaining and read-back
functions. The MAX5322 requires external reference volt-
ages of 2V to 5.25V and is available in a 28-pin SSOP
package that operates over the extended (-40°C to
+85°C) temperature range.
Applications
Features
Unipolar or Bipolar Output-Voltage Ranges
Unipolar: 0 to +2 x VREF(Single or Dual Supply)
Bipolar: -2 x VREFto +2 x VREF(Dual Supply)
Guaranteed INL ≤±1 LSB (max)Guaranteed Monotonic: DNL ≤±1 LSB (max)10µs Settling Time to 0.5 LSBLow 2.8µA Shutdown CurrentFast 10MHz SPI-/QSPI-/MICROWIRE-Compatible
Serial Interface
Power-On Reset Sets DAC Output to 0VSchmitt Trigger Inputs for Direct
Optocoupler Interface
Serial-Data Output Allows Daisy-Chaining
of Devices
28-Pin SSOP (8mm x 10mm)
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
Ordering Information

19-3150; Rev 1; 4/04
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Functional Diagram
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS (DUAL SUPPLY)

(VDD= +15V ±5%, VSS= -15V ±5%, VCC= +5V ±10%, AGND = DGND = SGND_ = 0V, VREF_= 5V, RLOAD= 2kΩ, CLOAD= 250pF,
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.
VDDto AGND..........................................................-0.3V to +17V
VSSto AGND..........................................................-17V to +0.3V
VDDto VSS..........................................................................+34V
VCCto DGND...........................................................-0.3V to +6V
AGND to DGND.....................................................-0.3V to +0.3V
SGND_ to AGND...................................................-0.3V to +0.3V
SCLK, DIN, CS, SHDN, UNI/BIP_, CLR,
LDAC, DOUT to DGND..........................-0.3V to (VCC+ 0.3V)
OUT_ to AGND.................................(VSS- 0.3V) to (VDD+ 0.3V)
REF_ to AGND..........................................................-0.3V to +6V
Maximum Current into REF_.............................................±10mA
Maximum Current into Any Pin Excluding REF_...............±50mA
Continuous Power Dissipation (TA= +70°C)
28-Pin SSOP (derate 9.5mW/°C above +70°C)........761.9mW
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
ELECTRICAL CHARACTERISTICS (DUAL SUPPLY) (continued)

(VDD= +15V ±5%, VSS= -15V ±5%, VCC= +5V ±10%, AGND = DGND = SGND_ = 0V, VREF_= 5V, RLOAD= 2kΩ, CLOAD= 250pF, = TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
ELECTRICAL CHARACTERISTICS (SINGLE SUPPLY)

(VDD= +15V ±5%, VSS= 0V, VCC= +5V ±10%, AGND = DGND = SGND_ = 0V, VREF_= 5V, RLOAD= 10kΩ, CLOAD= 250pF,
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
ELECTRICAL CHARACTERISTICS (SINGLE SUPPLY) (continued)

(VDD= +15V ±5%, VSS= 0V, VCC= +5V ±10%, AGND = DGND = SGND_ = 0V, VREF_= 5V, RLOAD= 10kΩ, CLOAD= 250pF,
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
TIMING CHARACTERISTICS

(VDD= +15V, VSS= -15V or 0V, VCC= +2.7V to +5.5V, AGND = DGND = SGND_ = 0, VREF_= 5V, RLOAD= 2kΩ, ,CLOAD= 250pF,
Note 2:
∆VDD= 15.5V to 14.5V, ∆VSS= -15.5V to -14.5V, input code = 14hex to FFFhex
Note 3:
Accuracy is guaranteed from code 14hex to FFFhex
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
Typical Operating Characteristics

(VDD= +15V, VSS= -15V for bipolar graphs, VSS= 0 for unipolar graphs, VCC= +5V, AGND = DGND = SGND_ = 0, VREF_= +5.0V,
output unloaded, TA= +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.)
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DAC
Typical Operating Characteristics (continued)

(VDD= +15V, VSS= -15V for bipolar graphs, VSS= 0 for unipolar graphs, VCC= +5V, AGND = DGND = SGND_ = 0, VREF_= +5.0V,
output unloaded, TA= +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.)
MAX5322
±10V, Dual, 12-Bit, Serial, Voltage-Output DACypical Operating Characteristics (continued)

(VDD= +15V, VSS= -15V for bipolar graphs, VSS= 0 for unipolar graphs, VCC= +5V, AGND = DGND = SGND_ = 0, VREF_= +5.0V,
output unloaded, TA= +25°C, all graphs apply to both unipolar and bipolar, unless otherwise noted.)
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