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| 型號： | AD8557ACPZ-R2 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP CHOPPER 2MHZ 55MA 16LFCSP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 系列： | DigiTrim® |
| 放大器類型： | 斷路器（零漂移） |
| 電路數(shù)： | 1 |
| 增益帶寬積： | 2MHz |
| 電流 - 輸入偏壓： | 18nA |
| 電壓 - 輸入偏移： | 2µV |
| 電流 - 電源： | 1.8mA |
| 電流 - 輸出 / 通道： | 55mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 16-LFCSP-VQ |
| 包裝： | 帶卷 (TR) |
Digitally Programmable
Sensor Signal Amplifier
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
2007–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Very low offset voltage: 12 μV maximum over temperature
Very low input offset voltage drift: 65 nV/°C maximum
High CMRR: 96 dB minimum
Digitally programmable gain and output offset voltage
Gain range from 28 to 1300
Qualified for automotive applications
Single-wire serial interface
Stable with any capacitive load
SOIC_N and LFCSP_VQ packages
2.7 V to 5.5 V operation
APPLICATIONS
Automotive sensors
Pressure and position sensors
Precision current sensing
Thermocouple amplifiers
Industrial weigh scales
Strain gages
FUNCTIONAL BLOCK DIAGRAM
A3
A2
A4
VDD
DIGIN
VSS
VDD
VSS
VDD
VCLAMP
VPOS
VSS
VOUT
A1
VDD
VSS
VNEG
R1
R3
R2
R5
R7
P4
R4
R6
P3
P2
P1
06
01
3-
0
01
Figure 1.
GENERAL DESCRIPTION
The AD8557 is a zero drift, sensor signal amplifier with digitally
programmable gain and output offset. Designed to easily and
accurately convert variable pressure sensor and strain bridge
outputs to a well-defined output voltage range, the AD8557
accurately amplifies many other differential or single-ended
sensor outputs. The AD8557 uses the Analog Devices, Inc.
patented low noise auto-zero and DigiTrim technologies to
create an accurate and flexible signal processing solution in a
compact footprint.
Gain is digitally programmable in a wide range from 28 to 1300
through a serial data interface. Gain adjustment can be fully
simulated in circuit and then permanently programmed with
reliable polyfuse technology. Output offset voltage is also
digitally programmable and is ratiometric to the supply voltage.
In addition to extremely low input offset voltage and input
offset voltage drift and very high dc and ac CMRR, the AD8557
also includes a pull-up current source at the input pins and a
pull-down current source at the VCLAMP pin. Output
clamping set via an external reference voltage allows the
AD8557 to drive lower voltage ADCs safely and accurately.
When used in conjunction with an ADC referenced to the same
supply, the system accuracy becomes immune to normal supply
voltage variations. Output offset voltage can be adjusted with a
resolution of better than 0.4% of the difference between VDD
and VSS. A lockout trim after gain and offset adjustment
further ensures field reliability.
The AD8557 is fully specified from 40°C to +125°C.
Operating from single-supply voltages of 2.7 V to 5.5 V, the
AD8557 is offered in an 8-lead SOIC_N, and a 4 mm × 4 mm,
16-lead LFCSP_VQ.
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| AD8557ACPZ-REEL | 功能描述:IC AMP CHOPPER 2MHZ 55MA 16LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| AD8557ACPZ-REEL7 | 功能描述:IC AMP CHOPPER 2MHZ 55MA 16LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| AD8557ARZ | 功能描述:IC AMP CHOPPER 2MHZ 55MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD8557ARZ-REEL | 功能描述:IC AMP CHOPPER 2MHZ 55MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| AD8557ARZ-REEL7 | 功能描述:IC AMP CHOPPER 2MHZ 55MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:電流檢測 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:- 增益帶寬積:125kHz -3db帶寬:- 電流 - 輸入偏壓:- 電壓 - 輸入偏移:100µV 電流 - 電源:1.1µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:4-WFBGA，CSPBGA 供應(yīng)商設(shè)備封裝:4-UCSP（2x2） 包裝:剪切帶 (CT) 其它名稱:MAX9634WERS+TCT |
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