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DAC7573 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. DAC7573
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

DAC7573 Datasheet(HTML) 1 Page - Texas Instruments

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Resistor
Network
8
18
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
VREFL
A0
A1
A2
A3
GND
I2C Block
SCL
SDA
LDAC
VREFH
IOVDD
VDD
DAC7573
SLAS398 – SEPTEMBER 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 DAC7573 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 DAC7573 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 sixteen DAC7573s
for a total of 64 channels on the bus.
Data Transmit Capability
On-Chip Output Buffer Amplifier, Rail-to-Rail
The DAC7573 requires an external reference voltage
Operation
to set the output range of the DAC. The DAC7573
Double-Buffered Input Register
incorporates a power-on-reset circuit that ensures that
the DAC output powers up at zero volts and remains
Address Support for up to Sixteen DAC7573s
there until a valid write takes place to the device. The
Synchronous Update Support for up to 64
DAC7573 contains a power-down feature, accessed
Channels
via the internal control register, that reduces the current
Operation From -40
°C to 105°C
consumption of the device to 200 nA at 5 V.
Small 16 Lead TSSOP 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 3 mW at VDD=5 V reducing to 1 µW in power-down
mode.
Data Acquisition Systems
The DAC7573 is available in a 16-lead TSSOP pack-
Closed-Loop Servo Control
age.
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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