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DAC081C081 数据表(PDF) 1 Page - Texas Instruments

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部件名 DAC081C081
功能描述  8-Bit Micro Power Digital-to-Analog Converter
Download  41 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

DAC081C081 数据表(HTML) 1 Page - Texas Instruments

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POWER-ON
RESET
DAC
REGISTER
I
2
C
INTERFACE
POWER-DOWN
CONTROL
LOGIC
VREF*
DAC081C081 / DAC081C085
SCL
SDA
BUFFER
8
VOUT
2.5k
100k
8 BIT DAC
GND
8
ADR1*
REF
ADR0
* NOTE: ADR1 and VREF are for the DAC081C085 only. The DAC081C085 uses an external
reference (VREF), whereas, the DAC081C081 uses the supply (VA) as the reference.
VA*
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
DAC081C081, DAC081C085
SNAS449E – FEBRUARY 2008 – REVISED JANUARY 2016
DAC081C08x 8-Bit Micro Power Digital-to-Analog Converter With An I2C-Compatible
Interface
1
1 Features
1
Ensured Monotonicity to 8-bits
Low Power Operation: 156 µA Maximum at 3.3 V
Extended Power Supply Range (2.7 V to 5.5 V)
I2C-Compatible 2-Wire Interface Which Supports
Standard (100-kHz), Fast (400-kHz), and High-
Speed (3.4-MHz) Modes
Rail-to-Rail Voltage Output
Very Small Package
Resolution 8 Bits
INL ±0.6 LSB (Maximum)
DNL ±0.1 LSB (Maximum)
Settling Time 4.5
μs (Maximum)
Zero Code Error +10 mV (Maximum)
Full-Scale Error
−0.7 %FS (Maximum)
Supply Power
Normal
380
μW (3 V)
730
μW (5 V) Typical
Power Down
0.5
μW (3 V)
0.9
μW (5 V) Typical
2 Applications
Industrial Process Control
Portable Instruments
Digital Gain and Offset Adjustments
Programmable Voltage and Current Sources
Test Equipment
3 Description
The DAC081C08x device is an 8-bit, single-channel,
voltage-output digital-to-analog converter (DAC) that
operates from a 2.7-V to 5.5-V supply. The output
amplifier allows rail-to-rail output swing and has an
4.5-µsec settling time. The DAC081C081 uses the
supply voltage as the reference to provide the widest
dynamic output range and typically consumes 132 µA
while operating at 5 V. It is available in 6-lead SOT
and WSON packages and provides three address
options (pin selectable).
As an alternative, the DAC081C085 provides nine I2C
addressing options and uses an external reference. It
has the same performance and settling time as the
DAC081C081. It is available in an 8-lead VSSOP.
The DAC081C081 and DAC081C085 use a 2-wire,
I2C-compatible serial interface that operates in all
three speed modes, including high-speed mode (3.4
MHz). An external address selection pin allows up to
three DAC081C081 or nine DAC081C085 devices
per 2-wire bus. Pin-compatible alternatives to the
DAC081C081 are available that provide additional
address options.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DAC081C081
WSON (6)
2.20 mm × 2.50 mm
SOT (6)
1.60 mm × 2.90 mm
DAC081C085
VSSOP (8)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Block Diagram


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