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DAC122S085CIMM 数据表(PDF) 1 Page - Texas Instruments

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部件名 DAC122S085CIMM
功能描述  DAC122S085 12-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

DAC122S085CIMM 数据表(HTML) 1 Page - Texas Instruments

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VA
VOUTA
VOUTB
NC
NC
SCLK
DIN
VREFIN
GND
SON
1
2
3
4
5
10
9
8
7
6
SYNC
VA
VOUTA
VOUTB
NC
NC
SCLK
DIN
VREFIN
GND
VSSOP
1
2
3
4
5
10
9
8
7
6
SYNC
DAC122S085
www.ti.com
SNAS361E – MAY 2006 – REVISED MARCH 2013
DAC122S085 12-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail
Output
Check for Samples: DAC122S085
1
FEATURES
DESCRIPTION
The DAC122S085 is a full-featured, general purpose
23
Ensured Monotonicity
DUAL 12-bit voltage-output digital-to-analog converter
Low Power Operation
(DAC) that can operate from a single +2.7V to 5.5V
Rail-to-Rail Voltage Output
supply and consumes 0.6 mW at 3V and 1.6 mW at
5V. The DAC122S085 is packaged in 10-lead SON
Power-on Reset to 0V
and VSSOP packages. The 10-lead SON package
Simultaneous Output Updating
makes the DAC122S085 the smallest DUAL DAC in
Wide power supply range (+2.7V to +5.5V)
its class. The on-chip output amplifier allows rail-to-
rail output swing and the three wire serial interface
Industry's Smallest Package
operates at clock rates up to 40 MHz over the entire
Power Down Modes
supply voltage range. Competitive devices are limited
to 25 MHz clock rates at supply voltages in the 2.7V
APPLICATIONS
to 3.6V range. The serial interface is compatible with
standard
SPI™,
QSPI,
MICROWIRE
and
DSP
Battery-Powered Instruments
interfaces.
Digital Gain and Offset Adjustment
The reference for the DAC122S085 serves all four
Programmable Voltage & Current Sources
channels and can vary in voltage between 1V and VA,
Programmable Attenuators
providing the widest possible output dynamic range.
The DAC122S085 has a 16-bit input shift register that
KEY SPECIFICATIONS
controls the outputs to be updated, the mode of
operation, the powerdown condition, and the binary
Resolution: 12 Bits
input
data.
Both
outputs
can
be
updated
INL: ±8 LSB (Max)
simultaneously or individually depending on the
DNL: +0.7 / -0.5
setting of the two mode of operation bits.
Settling Time 8.5 µs (Max)
A power-on reset circuit ensures that the DAC output
Zero Code Error: +15 mV (Max)
powers up to zero volts and remains there until there
is a valid write to the device. A power-down feature
Full-Scale Error: -0.75 %FS (Max)
reduces power consumption to less than a microWatt
Supply Power
with three different termination options.
Normal: 0.6 mW (3V) / 1.6 mW (5V) (Typ)
The low power consumption and small packages of
Power Down: 0.3 µW (3V) / 0.8 µW (5V)
the DAC122S085 make it an excellent choice for use
(Typ)
in battery operated equipment.
The DAC122S085 is one of a family of pin compatible
DACs, including the 8-bit DAC082S085 and the 10-bit
DAC102S085. The DAC122S085 operates over the
extended industrial temperature range of
−40°C to
+105°C.
Pin Configuration
1
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.
2
SPI is a trademark of Motorola, Inc..
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2006–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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