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具有串行接口的 16 位双电压输出 DAC
Resolution (Bits) 16
Number of DAC channels (#) 2
Interface type SPI
Output type Buffered Voltage
Settling time (μs) 10
Features Reset to Mid-Scale, SDO
Reference type Ext
Architecture R-2R
Rating Catalog
Output range (Max) (mA/V) 4.11
Output range (Min) (mA/V) 0
Operating temperature range (C) -40 to 85
  • LOW POWER: 4mW
  • UNIPOLAR OR BIPOLAR OPERATION
  • SETTLING TIME: 10 us to ±0.003% FSR
  • 15-BIT LINEARITY AND MONOTONICITY: –40°C to +85°C
  • PROGRAMMABLE RESET TO MID-SCALE OR ZERO-SCALE
  • DOUBLE-BUFFERED DATA INPUTS
  • APPLICATIONS
    • PROCESS CONTROL
    • CLOSED-LOOP SERVO-CONTROL
    • MOTOR CONTROL
    • DATA ACQUISITION SYSTEMS
    • DAC-PER-PIN PROGRAMMERS

The DAC7632 is a 16-bit, dual channel, voltage output, Digital-to-Analog Converter (DAC) which provides 15-bit monotonic performance over the specified temperature range. The device accepts 24-bit serial input data, has double-buffered DAC input logic (allowing simultaneous update of both DACs), and provides a serial data output for daisy-chaining multiple devices. A programmable asynchronous reset clears all registers to a mid-scale code of 8000H or to a zero-scale code of 0000H. The DAC7632 can operate from a single +5V supply or from +5V and ?5V supplies, providing an output range of 0V to +2.5V or ?2.5V to +2.5V, respectively.

Low power and small size per DAC make the DAC7632 ideal for industrial process control, data acquisition systems, and closed-loop servo-control. The DAC7632 is available in an LQFP-32 package and specified over a ?40°C to +85°C temperature range.