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AD5791BRUZ 其他数据使用手册 - ADI（亚德诺）
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ADI（亚德诺）
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DA转换器
封装:
TSSOP-20
描述:
ANALOG DEVICES AD5791BRUZ 数模转换器, 20 bit, 1 MSPS, 串行, 2.7V 至 5.5V, TSSOP, 20 引脚
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AD5791BRUZ数据手册
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1 ppm 20-Bit,
±1 LSB INL, Voltage Output DAC
Data Sheet
AD5791
Rev. D Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2010–2013 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
FEATURES
1 ppm resolution
1 ppm INL
7.5 nV/√Hz noise spectral density
0.19 LSB long-term linearity stability
<0.05 ppm/°C temperature drift
1 µs settling time
1.4 nV-sec glitch impulse
Operating temperature range: −40°C to +125°C
20-lead TSSOP package
Wide power supply range up to ±16.5 V
35 MHz Schmitt triggered digital interface
1.8 V compatible digital interface
APPLICATIONS
Medical instrumentation
Test and measurement
Industrial control
High end scientific and aerospace instrumentation
FUNCTIONAL BLOCK DIAGRAM
A1
6.8kΩ
6kΩ
6.8kΩ
R1 R
FB
20-BIT
DAC
DAC
REG
2020
INPUT
SHIFT
REGISTER
AND
CONTROL
LOGIC
POWER-ON-RESET
AND CLEAR LOGIC
AD5791
IOV
CC
SDIN
V
CC
V
DD
V
REFPF
V
REFPS
V
REFNF
AGNDV
SS
DGND V
REFNS
SCLK
SYNC
SDO
LDAC
CLR
RESET
R
FB
INV
V
OUT
08964-001
Figure 1.
Table 1. Complementary Devices
Part No. Description
AD8675 Ultra precision, 36 V, 2.8 nV/√Hz rail-to-rail
output op amp
AD8676 Ultra precision, 36 V, 2.8 nV/√Hz dual rail-to-
rail output op amp
ADA4898-1
High voltage, low noise, low distortion, unity
gain stable, high speed op amp
Table 2. Related Device
Part No. Description
AD5781 18-bit, 0.5 LSB INL, voltage output DAC
GENERAL DESCRIPTION
The AD5791
1
is a single 20-bit, unbuffered voltage-output DAC
that operates from a bipolar supply of up to 33 V. The AD5791
accepts a positive reference input in the range 5 V to V
DD
− 2.5 V
and a negative reference input in the range V
SS
+ 2.5 V to 0 V.
The AD5791 offers a relative accuracy specification of ±1 LSB
max, and operation is guaranteed monotonic with a ±1 LSB
DNL maximum specification.
The part uses a versatile 3-wire serial interface that operates at
clock rates up to 35 MHz and that is compatible with standard
SPI, QSPI™, MICROWIRE™, and DSP interface standards. The
part incorporates a power-on reset circuit that ensures the DAC
output powers up to 0 V and in a known output impedance
state and remains in this state until a valid write to the device
takes place. The part provides an output clamp feature that
places the output in a defined load state.
PRODUCT HIGHLIGHTS
1. 1 ppm Accuracy.
2. Wide Power Supply Range up to ±16.5 V.
3. Operating Temperature Range: −40°C to +125°C.
4. Low 7.5 nV/√Hz Noise Spectral Density.
5. Low 0.05 ppm/°C Temperature Drift.
1
Protected by U.S. Patent No. 7,884,747. Other patents pending.
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