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DAC121S101CIMM Datasheet

  • DAC121S101CIMM

  • 12-Bit Micro Power Digital-to-Analog Converter with Rail-to-...

  • 902.88KB

  • 19頁

  • NSC

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DAC121S101 12-Bit Micro Power Digital-to-Analog Converter with Rail-to-Rail Output
June 2005
DAC121S101
12-Bit Micro Power Digital-to-Analog Converter with
Rail-to-Rail Output
General Description
The DAC121S101 is a full-featured, general purpose 12-bit
voltage-output digital-to-analog converter (DAC) that can
operate from a single +2.7V to 5.5V supply and consumes
just 177 碌A(chǔ) of current at 3.6 Volts. The on-chip output
amplifier allows rail-to-rail output swing and the three wire
serial interface operates at clock rates up to 30 MHz over the
specified supply voltage range and is compatible with stan-
dard SPI
鈩?/div>
, QSPI, MICROWIRE and DSP interfaces. Com-
petitive devices are limited to 20 MHz clock rates at supply
voltages in the 2.7V to 3.6V range.
The supply voltage for the DAC121S101 serves as its volt-
age reference, providing the widest possible output dynamic
range. A power-on reset circuit ensures that the DAC output
powers up to zero volts and remains there until there is a
valid write to the device. A power-down feature reduces
power consumption to less than a microWatt.
The low power consumption and small packages of the
DAC121S101 make it an excellent choice for use in battery
operated equipment.
The DAC121S101 is a direct replacement for the AD5320
and the DAC7512 and is one of a family of pin compatible
DACs, including the 8-bit DAC081S101 and the 10-bit
DAC101S101. The DAC121S101 operates over the ex-
tended industrial temperature range of 鈭?0藲C to +105藲C.
Features
n
n
n
n
n
n
n
n
Guaranteed Monotonicity
Low Power Operation
Rail-to-Rail Voltage Output
Power-on Reset to Zero Volts Output
SYNC Interrupt Facility
Wide power supply range (+2.7V to +5.5V)
Small Packages
Power Down Feature
Key Specifications
n
n
n
n
n
n
Resolution
12 bits
DNL
+0.25, -0.15 LSB (typ)
Output Settling Time
8 碌s (typ)
Zero Code Error
4 mV (typ)
Full-Scale Error
鈭?.06 %FS (typ)
Power Consumption
鈥?Normal Mode
0.64mW (3.6V) / 1.43mW (5.5V) typ
鈥?Pwr Down Mode 0.14碌W (3.6V) / 0.39碌W (5.5V) typ
Applications
n
n
n
n
Battery-Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage & Current Sources
Programmable Attenuators
Pin Configuration
20114901
20114902
Ordering Information
Order Numbers
DAC121S101CIMM
DAC121S101CIMMX
DAC121S101CIMK
DAC121S101CIMKX
DAC121S101EVAL
Temperature Range
鈭?0藲C
鈮?/div>
T
A
鈮?/div>
+105藲C
鈭?0藲C
鈮?/div>
T
A
鈮?/div>
+105藲C
鈭?0藲C
鈮?/div>
T
A
鈮?/div>
+105藲C
鈭?0藲C
鈮?/div>
T
A
鈮?/div>
+105藲C
Package
MSOP
MSOP Tape-and-Reel
TSOT
TSOT Tape-and-Reel
Evaluation Board
Top Mark
X60C
X60C
X61C
X61C
SPI
鈩?/div>
is a trademark of Motorola, Inc.
漏 2005 National Semiconductor Corporation
DS201149
www.national.com

DAC121S101CIMM 產(chǎn)品屬性

  • National Semiconductor (TI)

  • 1

  • 1

  • 12 bit

  • Serial (3-Wire, Microwire, QSPI, SPI)

  • 10 us

  • + 105 C

  • MSOP

  • Reel

  • - 40 C

  • Voltage

  • 1000

  • 5.5 V

  • 2.7 V

  • Supply

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