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参数资料
| 型号： | LOG100JP |
| 英文描述： | Precision LOGARITHMIC AND LOG RATIO AMPLIFIER |
| 中文描述： | 精密对数和对数比率放大器 |
| 文件页数： | 4/9页 |
| 文件大小： | 123K |
| 代理商： | LOG100JP |
LOG100
4
3dB FREQUENCY RESPONSE
I
2
3dB
Frequency
Response
(Hz)
0.1
1nA
1M
100k
10k
1k
100
10
1
10nA
100nA
1A
10A
100A
1mA
100A
1mA
I
1 = 1mA
1A
1mA
to 10A
100nA
10nA
I
1 = 1nA
10nA
1A
10A
100A
C C
=
1F
C C
= 1000pF
10A
to
1A
C C
= 10pF
I
1 = 1nA
1nA
100A
MINIMUM VALUE OF COMPENSATION CAPACITOR
Input Current, I
2
Compensation
Capacitor,
C
(pF)
1
1nA
1mA
100nA
10A
1M
100k
10k
1k
100
10
100A
1A
10nA
Select C
C for
I
1 min and I2 max
Values below 2pF
may be ignored.
I
1 = 1nA
I
1 = 10nA
I
1 = 100nA
I
1 = 1A
I
1 = 10A
I
1 = 100A to 1mA
TRIMMED OUTPUT ERROR vs INPUT CURRENT
Trimmed
Output
Error
(mV)
1nA
60
50
40
30
20
10
0
–10
Input Current (I
1 or I2)
100nA
10A
1mA
–20
–60
–50
–40
–30
–20
–10
0
10
20
I 1
I 2
Gain Error and
Offset Error Trimmed
to Zero
TOTAL ERROR vs INPUT CURRENT
Input Current ( I
1 or I2)
Maximum
Total
Error
(mV)
1nA
±75
±50
±25
100nA
10A
1mA
0
ONE CYCLE OF NORMALIZED TRANSFER FUNCTION
Normalized
Output
Voltage
(V)
1 (K)
0.9 (K)
0.8 (K)
0.7 (K)
0.6 (K)
0.5 (K)
0.4 (K)
0.3 (K)
0.2 (K)
0.1 (K)
26
110
3
Current Ratio,
I
1
I
2
48
NORMALIZED TRANSFER FUNCTION
Normalized
Output
Voltage
(V)
0.001
3 (K)
2 (K)
1 (K)
0 (K)
–1 (K)
–2 (K)
–3 (K)
0.01
1
100
Current Ratio,
0.1
10
1000
I
1
I
2
I
1
I
2
V
OUT = K Log
TYPICAL PERFORMANCE CURVES
T
A = +25°C, VCC = ±15VDC, unless otherwise noted.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LOG100JP-2 | 制造商:Rochester Electronics LLC 功能描述:LOGARITHMIC AMPLIFIER - Bulk |
| LOG100JP-3 | 制造商:Rochester Electronics LLC 功能描述:LOG & LOG RATIO - Bulk |
| LOG100JP-4 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LOG101 | 制造商:BB 制造商全称:BB 功能描述:Precision LOGARITHMIC AND LOG RATIO AMPLIFIER |
| LOG101AID | 功能描述:对数放大器 LOGARITHMIC AMP RoHS:否 制造商:Texas Instruments 通道数量:3 带宽:3 dB 共模抑制比（最小值）: 输入补偿电压:+/- 7 mV 输入电压范围（最大值）:5.5 V 工作电源电压:4.5 V to 5.5 V 电源电流:+/- 15 mA 工作温度范围:- 40 C to +85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-16 封装:Reel |
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