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DAC7574 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. DAC7574
Description  QUAD, 12-BIT, LOW-POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DAC7574 Datasheet(HTML) 1 Page - Texas Instruments

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Resistor
Network
8
14
Data
Buffer A
DAC
Register A
Data
Buffer D
DAC
Register D
DAC A
DAC D
Buffer
Control
Register
Control
Power-Down
Control Logic
VOUTA
VOUTB
VOUTC
VOUTD
A0
A1
GND
I2C Block
SCL
SDA
VDD
DAC7574
SLAS375 – JUNE 2003
QUAD, 12-BIT, LOW-POWER, VOLTAGE OUTPUT,
I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER
FEATURES
DESCRIPTION
Micropower Operation: 600 µA at 5 V VDD
The DAC7574 is a low-power, quad channel, 12-bit
Power-On Reset to Zero
buffered voltage output DAC. Its on-chip precision out-
put amplifier allows rail-to-rail output swing to be
+2.7 V to +5.5 V Analog Power Supply
achieved. The DAC7574 utilizes an I2C compatible two
12-Bit Monotonic
wire serial interface supporting high-speed interface
I2C™ Interface Up to 3.4 Mbps
mode with address support of up to four DAC7574s for
a total of 16 channels on the bus.
Data Transmit Capability
On-Chip Output Buffer Amplifier, Rail-to-Rail
The DAC7574 uses VDD and GND to set the output
Operation
range of the DAC. The DAC7574 incorporates a
Double-Buffered Input Register
power-on-reset circuit that ensures that the DAC output
powers up at zero volts and remains there until a valid
Address Support for up to Four DAC7574s
write takes place to the device. The DAC7574 contains
Synchronous Update Support for up to 16
a power-down feature, accessed via the internal control
Channels
register, that reduces the current consumption of the
Operation From -40
°C to 105°C
device to 200 nA at 5 V.
Small 10 Lead MSOP Package
The low power consumption of this part in normal
operation makes it ideally suited to portable battery
APPLICATIONS
operated equipment. The power consumption is less
Process Control
than 3mW at VDD = 5 V reducing to 1 µW in power-down
mode.
Data Acquisition Systems
The DAC7574 is available in a 10-lead MSOP package.
Closed-Loop Servo Control
PC Peripherals
Portable Instrumentation
I2C is a trademark of Philips Corporation.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2003, Texas Instruments Incorporated
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily in-
clude testing of all parameters.


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