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參數(shù)資料
| 型號： | 8832I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-Bit, Ultra-Low Power, Voltage-Output Digital-to-Analog Converter |
| 中文描述： | 16位，超低功耗，電壓輸出數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大小： | 702K |
| 代理商： | 8832I |
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DAC8832
FEATURES
16-Bit Resolution
2.7 V to 5.5 V Single-Supply Operation
Very Low Power: 15
μ
W for 3 V Power
High Accuracy, INL: 1 LSB
Low Glitch: 10 nV-s
Low Noise: 18n V/
√
Hz
Fast Settling: 1.0
μ
S
Fast SPI Interface, up to 50 MHz
Reset to Mid-Code
Schmitt-Trigger Inputs for Direct Optocoupler
Interface
DESCRIPTION
The
DAC8832
voltage-output
operating from a single 3 V to 5 V power supply. The
DAC8832 provides excellent linearity (1 LSB INL),
low glitch, low noise, and fast settling (1.0
μ
S to 1/2
LSB
of
full-scale
output)
temperature range of –40
°
C to +85
°
C. The output is
unbuffered, which reduces the power consumption
and the error introduced by the buffer.
APPLICATIONS
Portable Equipment
Automatic Test Equipment
Industrial Process Control
Data Acquisition Systems
Optical Networking
RFB
INV
AGNDF
AGNDS
DGND
DAC
DAC Latch
Input
Register
DAC8832
+
+V
V
OPA277
OPA704
OPA727
SDI
SCLK
LDAC
V
OUT
V
O
V
DD
R
FB
R
INV
V
REF
F
V
REF
S
Serial
Interface
and
Control
Logic
CS
DAC8832
SBAS380A–FEBRUARY 2006–REVISED APRIL 2006
16-Bit, Ultra-Low Power, Voltage-Output
Digital-to-Analog Converter
is
a
single,
16-bit,
converter
serial-input,
(DAC)
digital-to-analog
over
the
specified
This device features a standard high-speed (clock up
to 50MHz), 3 V or 5 V SPI serial interface to
communicate with the DSP or microprocessors.
The DAC8832 provides unipolar or bipolar output
(
±
V
REF
) when working with an external buffer, and is
reset to mid-code after power-up. For optimum
performance, a set of Kelvin connections to the
external reference and the analog ground input are
provided.
The DAC8832 is available in a QFN-14 package,
and is pin-to-pin compatible with the DAC8831IRGY,
which is reset to zero-code after power-up.
Functional Block Diagram
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.
SPI, QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corp.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2006, Texas Instruments Incorporated
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