VSIGNAL GROUND REFERENCE 1 GROUND REFERENCE 2 (GROUND REFERENCE 2)
參數(shù)資料
型號: AMP03GSZ
廠商: Analog Devices Inc
文件頁數(shù): 6/8頁
文件大?。?/td> 0K
描述: IC AMP DIFF PREC LDIST 8SOIC
標準包裝: 98
放大器類型: 差分
電路數(shù): 1
轉(zhuǎn)換速率: 9.5 V/µs
-3db帶寬: 3MHz
電壓 - 輸入偏移: 25µV
電流 - 電源: 2.5mA
電流 - 輸出 / 通道: 45mA
電壓 - 電源,單路/雙路(±): ±6 V ~ 18 V
工作溫度: -40°C ~ 85°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
產(chǎn)品目錄頁面: 774 (CN2011-ZH PDF)
AMP03
–6–
REV. F
ECM
+V
0.1 F
–V
VSIGNAL
GROUND REFERENCE 1
GROUND REFERENCE 2
(GROUND REFERENCE 2)
VOUT = –VSIGNAL
AMP03
Figure 1. AMP03 Serves to Reject Common-Mode Volt-
ages in Instrumentation Systems. Common-Mode Volt-
ages Occur Due to Ground Current Returns. VSIGNAL and
ECM Must Be within the Common-Mode Range of AMP03.
APPLICATIONS INFORMATION
The AMP03 represents a versatile analog building block. In
order to capitalize on the fast settling time, high slew rate, and
high CMR, proper decoupling and grounding techniques must
be employed. Figure 1 illustrates the use of 0.1
F decoupling
capacitors and proper ground connections.
MAINTAINING COMMON-MODE REJECTION
In order to achieve the full common-mode rejection capability
of the AMP03, the source impedance must be carefully con-
trolled. Slight imbalances of the source resistance will result in
a degradation of dc CMR—even a 5
imbalance will degrade
CMR by 20 dB. Also, the matching of the reactive source
impedance must be matched in order to preserve the CMRR
over frequency.
APPLICATION CIRCUITS
AMP03
R1
25k
R2
25k
R3
25k
R4
25k
+IN E2
–IN E1
E0 = E2 – E1
Figure 2. Precision Difference Amplifier. Rejects
Common-Mode Signal = (E1 + E2)/2 by 100 dB
AMP03
E1
E0 = –E1
Figure 3. Precision Unity-Gain Inverting Amplifier
AMP03
+15V
–10V OUT
0.1 F
REF10
+10V OUT
Figure 4.
10 V Precision Voltage Reference
+15V
–5V OUT
0.1 F
REF10
+5V OUT
AMP03
Figure 5.
5 V Precision Voltage Reference
AMP03
E1
E2
E0 = E1 + E2
Figure 6. Precision Summing Amplifier
AMP03
R2
R1
E1
E2
E0 = (R2/R1+1)
E1 = E2
2
Figure 7. Precision Summing Amplifier with Gain
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參數(shù)描述
AMP03GSZ-RL 功能描述:IC AMP DIFF PREC LDIST 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源,單路/雙路(±):7 V ~ 36 V,±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP(0.300",7.62mm) 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件
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