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DAC7551IDRNR Datasheet

  • DAC7551IDRNR

  • 12-BIT, ULTRALOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CO...

  • 18頁

  • TI

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DAC7551
www.ti.com
SLAS441 鈥?MARCH 2005
12-BIT, ULTRALOW GLITCH, VOLTAGE OUTPUT
DIGITAL-TO-ANALOG CONVERTER
FEATURES
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2.7-V to 5.5-V Single Supply
12-Bit Linearity and Monotonicity
Rail-to-Rail Voltage Output
Settling Time: 5 碌s (Max)
Ultralow Glitch Energy: 0.1 nVs
Low Power: 200 碌A (Max)
Power Down: 2 碌A (Max)
Power-On Reset to Zero Scale
SPI-Compatible Serial Interface: Up to 50 MHz
Daisy-Chain Capability
Asynchronous Hardware Clear
Specified Temperature Range: 鈥?0擄C to 105擄C
Small, 2-mm x 3-mm, 12-Lead SON Package
DESCRIPTION
The DAC7551 is a single-channel, voltage-output
DAC with exceptional linearity and monotonicity. Its
proprietary architecture minimizes glitch energy. The
low-power DAC7551 operates from a single 2.7-V to
5.5-V supply. The DAC7551 output amplifiers can
drive a 2-k鈩? 200-pF load rail-to-rail with 5-碌s settling
time; the output range is set using an external voltage
reference.
The 3-wire serial interface operates at clock rates up
to 50 MHz and is compatible with SPI, QSPI,
Microwire鈩? and DSP interface standards. The parts
incorporate a power-on-reset circuit to ensure that the
DAC outputs power up to zero volts and remain there
until a valid write cycle to the device takes place. The
parts contain a power-down feature that reduces the
current consumption of the device to under 2 碌A.
The small size and low-power operation makes the
DAC7551 ideally suited for battery-operated portable
applications. The power consumption is typically
0.5 mW at 5 V, 0.23 mW at 3 V, and reduces to 1 碌W
in power-down mode.
The DAC7551 is available in a 12-lead SON package
and is specified over 鈥?0擄C to 105擄C.
APPLICATIONS
Portable Battery-Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
Industrial Process Control
FUNCTIONAL BLOCK DIAGRAM
V
DD
IOV
DD
V
REF
H
SCLK
SYNC
SDIN
Power-On
Reset
Interface
Logic
Shift
Register
DAC
Register
String
DAC
V
FB
_
+
V
OUT
Power-Down
Logic
SDO CLR
GND
V
REF
L
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.
Microwire is a trademark of National Semiconductor Corp..
PRODUCT PREVIEW information concerns products in the forma-
tive or design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the
right to change or discontinue these products without notice.
Copyright 漏 2005, Texas Instruments Incorporated
PRODUCT PREVIEW

DAC7551IDRNR 產品屬性

  • Data Converter Basics

  • 3,000

  • 集成電路 (IC)

  • 數據采集 - 數模轉換器

  • -

  • 5µs

  • 12

  • DSP，MICROWIRE?，QSPI?，串行，SPI?

  • 1

  • 單電源

  • -

  • -40°C ~ 105°C

  • 表面貼裝

  • 12-UFDFN 裸露焊盤

  • 12-USON（3x2）

  • 帶卷 (TR)

  • 1 電壓，單極

  • 500k

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