參數(shù)資料
型號(hào)： OP-37CJG
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 運(yùn)算放大器
英文描述： OP-AMP, 300 uV OFFSET-MAX, 63 MHz BAND WIDTH, CDIP8
封裝： CERAMIC, DIP-8
文件頁(yè)數(shù)： 11/24頁(yè)
文件大?。?/td> 391K
代理商： OP-37CJG
OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL-AMPLIFIER
SLOS100C – FEBRUARY 1989 – REVISED SEPTEMBER 2000
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
offset voltage and drift (continued)
The circuit shown in Figure 38 measures offset voltage. This circuit can also be used as the burn-in configuration
for the OP27 and OP37 with the supply voltage increased to 20 V, R1 = R3 = 10 k
, R2 = 200 , and
AVD = 100.
15 V
+
–
–15 V
R1
50 k
R2
100
R3
50 k
VO = 1000 VIO
2
3
6
7
4
NOTE A: Resistors must have low thermoelectric potential.
Figure 38. Test Circuit for Offset Voltage and Offset Voltage Temperature Coefficient
unity gain buffer applications
The resulting output waveform, when Rf ≤ 100 and the input is driven with a fast large-signal pulse (> 1 V),
is shown in the pulsed-operation diagram in Figure 39.
+
–
Rf
Output
2.8 V/
s
OP27
Figure 39. Pulsed Operation
During the initial (fast-feedthrough-like) portion of the output waveform, the input protection diodes effectively
short the output to the input, and a current, limited only by the output short-circuit protection, is drawn by the
signal generator. When Rf ≥ 500 , the output is capable of handling the current requirements (load
current
≤ 20 mA at 10 V), the amplifier stays in its active mode, and a smooth transition occurs. When
Rf > 2 k, a pole is created with Rf and the amplifier’s input capacitance, creating additional phase shift and
reducing the phase margin. A small capacitor (20 pF to 50 pF) in parallel with Rf eliminates this problem.
相關(guān)PDF資料
PDF描述
OP-37GP OP-AMP, 220 uV OFFSET-MAX, 63 MHz BAND WIDTH, PDIP8
OP-47GT OP-AMP, 220 uV OFFSET-MAX, 70 MHz BAND WIDTH, MBCY8
OP-47CD/883B OP-AMP, 300 uV OFFSET-MAX, 70 MHz BAND WIDTH, CDIP8
OP-47CT/883B OP-AMP, 300 uV OFFSET-MAX, 70 MHz BAND WIDTH, MBCY8
OP-47CD OP-AMP, 300 uV OFFSET-MAX, 70 MHz BAND WIDTH, CDIP8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OP37CJGB 制造商:Rochester Electronics LLC 功能描述:- Bulk
OP-37CL 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Voltage-Feedback Operational Amplifier
OP37CP 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
OP-37CP 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Voltage-Feedback Operational Amplifier
OP37CZ 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:Low-Noise Precision Operaional Amplifiers
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