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參數資料
| 型號： | AD8476-EVALZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD8476 |
| 標準包裝： | 1 |
| 每 IC 通道數： | 1 - 單 |
| 放大器類型： | 差分 |
| 輸出類型： | 差分，滿擺幅 |
| 轉換速率： | 10 V/µs |
| -3db帶寬： | 5MHz |
| 電流 - 輸出 / 通道： | 35mA |
| 工作溫度： | -40°C ~ 125°C |
| 電流供應（主 IC）： | 330µA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 18 V，±1.5 V ~ 9 V |
| 板類型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | AD8476 |
Low Power, Unity Gain, Fully
Differential Amplifier and ADC Driver
Data Sheet
Rev. B
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
Fax: 781.461.3113
2011–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Very low power
330 μA supply current
Extremely low harmonic distortion
126 HD2 at 10 kHz
128 HD3 at 10 kHz
Fully differential or single-ended inputs/outputs
Differential output designed to drive precision ADCs
Drives switched capacitor and Σ-Δ ADCs
Rail-to-rail outputs
VOCM pin adjusts output common mode
Robust overvoltage up to 18 V beyond supplies
High performance
Suitable for driving 16-bit converter up to 250 kSPS
39 nV/√Hz output noise
1 ppm/°C gain drift maximum
200 μV maximum output offset
10 V/μs slew rate
6 MHz bandwidth
Single supply: 3 V to 18 V
Dual supplies: ±1.5 V to ±9 V
APPLICATIONS
ADC driver
Differential instrumentation amplifier building block
Single-ended-to-differential converter
Battery-powered instruments
FUNCTIONAL BLOCK DIAGRAM
10k
INN
1
+V
S
2
V
O
CM
3
+
O
UT
4
INP
8
–V
S
7
NC
6
–O
UT
5
NOTES
1. NC = NO CONNECT.
DO NOT CONNECT TO THIS PIN.
10195-
001
AD8476
Figure 1. 8-Lead MSOP
12
11
10
1
3
4
NC
–OUT
+OUT
9
VOCM
INP
INN
2
INP
INN
6
+V
S
5
+V
S
7
+V
S
8
+V
S
16
–V
S
15
–V
S
14
–V
S
13
–V
S
10k
AD8476
NOTES
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
10195-
002
Figure 2. 16-Lead LFCSP
GENERAL DESCRIPTION
The AD8476 is a very low power, fully differential precision
amplifier with integrated gain resistors for unity gain. It is an ideal
choice for driving low power, high performance ADCs as a
single-ended-to-differential or differential-to-differential
amplifier. It provides a precision gain of 1, common-mode level
shifting, low temperature drift, and rail-to-rail outputs for
maximum dynamic range.
The AD8476 also provides overvoltage protection from large
industrial input voltages up to ±23 V while operating on a dual 5 V
supply. Power dissipation on a single 5 V supply is only 1.5 mW.
The AD8476 works well with SAR, Σ-Δ, and pipeline converters.
The high current output stage of the part allows it to drive the
switched capacitor front-end circuits of many ADCs with
minimal error.
Unlike many differential drivers on the market, the AD8476 is
a high precision amplifier. With 200 V maximum output
offset, 39 nV/√Hz noise, and 102 dB THD + N at 10 kHz, the
AD8476 pairs well with low power, high accuracy converters.
Considering its low power consumption and high precision, the
slew-enhanced AD8476 has excellent speed, settling to 16-bit
precision for 250 kSPS acquisition times.
The AD8476 is available in space-saving 16-lead, 3 mm × 3 mm
LFCSP and 8-lead MSOP packages. It is fully specified over the
40°C to +125°C temperature range.
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相關代理商/技術參數 |
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|---|---|
| AD8479 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Very High Common-Mode Voltage Precision Difference Amplifier |
| AD8479ARZ | 功能描述:差分放大器 Very High Common Mode VTG Prec RoHS:否 制造商:Analog Devices 通道數量:1 Channel 帶寬:900 MHz 可用增益調整:5.6 dB to 20 dB 輸入補償電壓:1 mV at 5 V 共模抑制比（最小值）:67 dB 工作電源電壓:11 V 電源電流:28 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| AD8479ARZ-RL | 功能描述:差分放大器 Very High Common Mode VTG Prec RoHS:否 制造商:Analog Devices 通道數量:1 Channel 帶寬:900 MHz 可用增益調整:5.6 dB to 20 dB 輸入補償電壓:1 mV at 5 V 共模抑制比（最小值）:67 dB 工作電源電壓:11 V 電源電流:28 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| AD8479BRZ | 功能描述:差分放大器 Very High Common Mode VTG Prec RoHS:否 制造商:Analog Devices 通道數量:1 Channel 帶寬:900 MHz 可用增益調整:5.6 dB to 20 dB 輸入補償電壓:1 mV at 5 V 共模抑制比（最小值）:67 dB 工作電源電壓:11 V 電源電流:28 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| AD8479BRZ-RL | 制造商:Analog Devices 功能描述:NXT GEN HIGH COMMON MODE VOLTAGE DIF AMP - Tape and Reel 制造商:Analog Devices 功能描述:Nxt Gen High Common Mode Voltage Dif Amp |
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