Quad 8-Bit D/A Converter
DAC5574
www.ti.com
SLAS407 – DECEMBER 2003
2QUAD, 8-BIT, LOW-POWER, VOLTAGE OUTPUT, I C INTERFACE DIGITAL-TO-ANALOG CO...
Description
DAC5574
www.ti.com
SLAS407 – DECEMBER 2003
2QUAD, 8-BIT, LOW-POWER, VOLTAGE OUTPUT, I C INTERFACE DIGITAL-TO-ANALOG CONVERTER
FEATURES
Micropower Operation: 500 µA at 3 V VDD Fast Update Rate: 188 kSPS Per-channel Power-down Capability Power-On Reset to Zero 2.7-V to 5.5-V Analog Power Supply 8-bit Monotonic I2C™ Interface Up to 3.4 Mbps Data Transmit Capability On-Chip Output Buffer Amplifier, Rail-to-Rail
Operation Double-Buffered Input Register Address Support for up to Four DAC5574s Synchronous Update Support for up to 16
Channels Operation From –40°C to 105°C Small 10 Lead MSOP Package
APPLICATIONS
Process Control Data Acquisition Systems Closed-Loop Servo Control PC Peripherals Portable Instrumentation
VDD
DESCRIPTION
The DAC5574 is a low-power, quad channel, 8-bit buffered voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The DAC5574 utilizes an I2C compatible two wire serial interface supporting high-speed interface mode with address support of up to four DAC5574s for a total of 16 channels on the bus.
The DAC5574 uses VDD and GND to set the output range of the DAC. The DAC5574 incorporates a power-on-reset circuit that ensures that the DAC output powers up at zero volts and remains there until a valid write takes place to the device. The DAC5574 contains a per-channel power-down feature, accessed via the internal control register, reducing the current consumption of th...
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