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| 型號： | EVAL-AD5791SDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD5791 |
| 標準包裝： | 1 |
| DAC 的數(shù)量： | 1 |
| 位數(shù)： | 20 |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 設(shè)置時間： | 1µs |
| DAC 型： | 電壓 |
| 工作溫度： | -40°C ~ 125°C |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | AD5791 |
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1 ppm 20-Bit,
±1 LSB INL, Voltage Output DAC
Data Sheet
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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.
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 s 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
6.8k
6k
6.8k
R1
RFB
20-BIT
DAC
REG
20
INPUT
SHIFT
REGISTER
AND
CONTROL
LOGIC
POWER-ON-RESET
AND CLEAR LOGIC
AD5791
IOVCC
SDIN
VCC
VDD
VREFPF VREFPS
VREFNF
AGND
VSS
DGND
VREFNS
SCLK
SYNC
SDO
LDAC
CLR
RESET
RFB
INV
VOUT
08964-
001
Figure 1.
Table 1. Complementary Devices
Part No.
Description
Ultra precision, 36 V, 2.8 nV/√Hz rail-to-rail
output op amp
Ultra precision, 36 V, 2.8 nV/√Hz dual rail-to-
rail output op amp
High voltage, low noise, low distortion, unity
gain stable, high speed op amp
Table 2. Related Device
Part No.
Description
18-bit, 0.5 LSB INL, voltage output DAC
GENERAL DESCRIPTION
that operates from a bipolar supply of up to 33 V. The AD5791
accepts a positive reference input in the range 5 V to VDD 2.5 V
and a negative reference input in the range VSS + 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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