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| 型號： | AD8277BRZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 0K |
| 描述： | IC AMP GP UNITY GAIN DIFF 14SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 差分 |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 1.1 V/µs |
| 增益帶寬積： | 550kHz |
| 電壓 - 輸入偏移： | 100µV |
| 電流 - 電源： | 200µA |
| 電流 - 輸出 / 通道： | 15mA |
| 電壓 - 電源，單路/雙路(±)： | 2 V ~ 36 V，±2 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-SOIC |
| 包裝： | 帶卷 (TR) |
Low Power, Wide Supply Range, Low Cost
Unity-Gain Difference Amplifiers
Data Sheet
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
2009–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Wide input range beyond supplies
Rugged input overvoltage protection
Low supply current: 200 μA maximum per channel
Low power dissipation: 0.5 mW at VS = 2.5 V
Bandwidth: 550 kHz
CMRR: 86 dB minimum, dc to 10 kHz
Low offset voltage drift: ±2 μV/°C maximum (B Grade)
Low gain drift: 1 ppm/°C maximum (B Grade)
Enhanced slew rate: 1.1 V/μs
Wide power supply range:
Single supply: 2 V to 36 V
Dual supplies: ±2 V to ±18 V
APPLICATIONS
Voltage measurement and monitoring
Current measurement and monitoring
Differential output instrumentation amplifier
Portable, battery-powered equipment
Test and measurement
GENERAL DESCRIPTION
The AD8276/AD8277 are general-purpose, unity-gain difference
amplifiers intended for precision signal conditioning in power
critical applications that require both high performance and low
power. They provide exceptional common-mode rejection ratio
(86 dB) and high bandwidth while amplifying signals well beyond
the supply rails. The on-chip resistors are laser-trimmed for
excellent gain accuracy and high CMRR. They also have extremely
low gain drift vs. temperature.
The common-mode range of the amplifiers extends to almost
double the supply voltage, making these amplifiers ideal for single-
supply applications that require a high common-mode voltage
range. The internal resistors and ESD circuitry at the inputs also
provide overvoltage protection to the op amps.
The AD8276/AD8277 are unity-gain stable. While they are
optimized for use as difference amplifiers, they can also be
connected in high precision, single-ended configurations with
G = 1, +1, +2. The AD8276/AD8277 provide an integrated
precision solution that has smaller size, lower cost, and better
performance than a discrete alternative.
The AD8276/AD8277 operate on single supplies (2.0 V to 36 V)
or dual supplies (±2 V to ±18 V). The maximum quiescent
supply current is 200 μA per channel, which is ideal for battery-
operated and portable systems.
FUNCTIONAL BLOCK DIAGRAM
07
69
2-
0
01
2
5
3
1
6
7
4
40k
–VS
+VS
–IN
+IN
SENSE
OUT
REF
40k
AD8276
Figure 1. AD8276
07
69
2-
05
2
2
12
3
14
13
11
40k
+VS
–INA
+INA
SENSEA
OUTA
REFA
40k
AD8277
6
10
5
8
9
4
40k
–VS
–INB
+INB
SENSEB
OUTB
REFB
40k
Figure 2. AD8277
Table 1. Difference Amplifiers by Category
Low
Distortion
High
Voltage
Current
Sensing1
Low Power
1 U = unidirectional, B = bidirectional.
The AD8276 is available in the space-saving 8-lead MSOP and
SOIC packages, and the AD8277 is offered in a 14-lead SOIC
package. Both are specified for performance over the industrial
temperature range of 40°C to +85°C and are fully RoHS
compliant.
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參數(shù)描述 |
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| AD8277-EVALZ | 功能描述:AD8277 2 - Dual Channels per IC Difference Amplifier Evaluation Board 制造商:analog devices inc. 系列:- 零件狀態(tài):有效 每 IC 通道數(shù):2 - 雙 放大器類型:差異 輸出類型:單端，滿擺幅 壓擺率:1.1 V/μs -3db 帶寬:550kHz 電流 - 輸出/通道:15mA 工作溫度:-40°C ~ 85°C 電流 - 電源（主 IC）:200μA 電壓 - 電源，單/雙（±）:2 V ~ 36 V，±2 V ~ 18 V 板類型:完全填充 所含物品:板 使用的 IC/零件:AD8277 標(biāo)準(zhǔn)包裝:1 |
| AD8278 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, Wide Supply Range, Low Cost Difference Amplifier, G = ?, 2 |
| AD8278ARMZ | 功能描述:IC OPAMP DIFFERENTIAL 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
| AD8278ARMZ | 制造商:Analog Devices 功能描述:IC DIFFERENTIAL AMP 1MHZ 1.4V/ MSOP8 制造商:Analog Devices 功能描述:IC, DIFFERENTIAL AMP, 1MHZ 1.4V/ uS MSOP8 |
| AD8278ARMZ-R7 | 功能描述:IC OPAMP DIFFERENTIAL 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:管件 |
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