DAC5571IDBVR DAC5571IDBVT I2C Input Boost Converter IC , ABC Converter IC 8 Bit W/Hi-Speed
da converter circuit
,dac integrated circuit
DAC5571IDBVR DAC5571IDBVT Data Converter IC DAC Low-power 8-Bit w/hi-speed I2C Input
1 FEATURES
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Micropower Operation: 125 μA @ 3 V
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Fast Update Rate: 188 KSPS
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Power-On Reset to Zero
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+2.7-V to +5.5-V Power Supply
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Specified Monotonic by Design
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I2CTM Interface up to 3.4 Mbps
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On-Chip Output Buffer Amplifier, Rail-to-Rail Operation
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Double-Buffered Input Register
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Address Support for up to Two DAC5571s
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Small 6 Lead SOT 23 Package
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Operation From –40°C to 105°C
2 APPLICATIONS
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Process Control
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Data Acquistion Systems
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Closed-Loop Servo Control
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PC Peripherals
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Portable Instrumentation
3 DESCRIPTION
The DAC5571 is a low-power, single-channel, 8-bit buffered voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The DAC5571 utilizes an I2C-compatible, two-wire serial interface that operates at clock rates up to 3.4 Mbps with address support of up to two DAC5571s on the same data bus.
The output voltage range of the DAC is 0 V to VDD. The DAC5571 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 DAC5571 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 than0.7mWatVDD =5VreduciCM GROUPo1μWin power-down mode.
DAC7571/6571/5571 are 12/10/8-bit, single-channel I2C DACs from the same family. DAC7574/6574/5574 and DAC7573/6573/5573 are 12/10/8-bit quad-channel I2C DACs. Also see DAC8571/8574 for single/quad-channel, 16-bit I2C DACs.
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