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參數(shù)資料
| 型號： | OP37GP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
| 中文描述： | 低噪聲，高精密高速運算放大器 |
| 文件頁數(shù)： | 19/21頁 |
| 文件大小： | 322K |
| 代理商： | OP37GP |
OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B – FEBRUARY 1989 – REVISED AUGUST 1994
2–19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
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
A
VD
= 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 R
f
≤
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/
μ
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 R
f
≥
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
R
f
> 2 k
, a pole is created with R
f
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 R
f
eliminates this problem.
相關PDF資料 |
PDF描述 |
|---|---|
| OP27A | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
| OP27AFK | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
| OP27AP | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
| OP27C | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
| OP27CP | STEEL COVER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| OP-37GP | 制造商:AD 制造商全稱:Analog Devices 功能描述:LOW NOISE, PRECISION, HIGH SPEED OPERATIONAL AMPLIFIER(AVCL>=5) |
| OP37GP+ | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OP37GPZ | 功能描述:IC OPAMP GP 63MHZ LN PREC 8DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝: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 供應商設備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| OP37GS | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OP-37GS | 制造商:AD 制造商全稱:Analog Devices 功能描述:LOW NOISE, PRECISION, HIGH SPEED OPERATIONAL AMPLIFIER(AVCL>=5) |
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