DAC6571 General Description
The DAC6571 is a low-power, single channel, 10-Bit buffered voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The DAC6571 utilizes an I 2 C compatible two wire serial interface that operates at clock rates
up to 3.4 Mbps with address support of up to two DAC6571s on the same data bus.
The output voltage range of the DAC is 0 V to VDD .
The DAC6571 incorporates a power-on-reset circuit that ensures that the DAC output powers up at zero volts and remains there until a valid write to the device takes place. The DAC6571 contains a power-down feature, accessed via the internal control
register, that reduces the current consumption of the device to 50 nA at 5 V.
The low power consumption of this part in normal operation makes it ideally suited for portable battery operated equipment. The power consumption is less than 0.7 mW at V = 5 VDD reducing to 1 W in power-down mode.
DAC7571/6571/5571 are 12/10/8 bit single channel I 2C DACs from the same family. DAC7574/6574/5574 and DAC7573/6573/5573 are 12/10/8 bit quad channel I 2 C DACs. Also see DAC8571/8574 for single/quad channel 16-bit I 2 C DACs.
DAC6571 Features
* Micropower Operation: 125 A @ 3 V
* Fast Update Rate: 188 kSPS
* Power-On Reset to Zero
* +2.7 V to +5.5 V Power Supply
* Specified Monotonic by Design
* I 2C(TM) Interface up to 3.4 Mbps
* On-Chip Output Buffer Amplifier, Rail-to-Rail Operation
* Double-Buffered Input Register
* Address Support for up to Two DAC6571s
* Small 6 Lead SOT 23 Package
* Operation From -40°C to 105°C
DAC6571 Typical Application
* Process Control
* Data Acquistion Systems
* Closed-Loop Servo Control
* PC Peripherals
* Portable Instrumentation
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