参数资料
型号: LT1789IS8-10#PBF
厂商: Linear Technology
文件页数: 14/24页
文件大小: 0K
描述: IC AMP INST PROG R-R OUT 8-SOIC
标准包装: 100
放大器类型: 仪表
电路数: 1
转换速率: 0.066 V/µs
增益带宽积: 25kHz
电流 - 输入偏压: 17nA
电压 - 输入偏移: 30µV
电流 - 电源: 85µA
电流 - 输出 / 通道: 8.5mA
电压 - 电源,单路/双路(±): 2.2 V ~ 36 V,±1.1 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
LT1789-1/LT1789-10
21
1789fc
TYPICAL APPLICATIONS
Avalanche Photo Diode Module Bias Current Monitor
OUTPUT
0V TO 1V =
0mA TO 1mA
5V
+
5V
A1
LT1789-1
–3.5V
0.2μF
S1
0.2μF
VOUT = 20V TO 90V
TO APD
FOR OPTIONAL “ZERO CURRENT” FEEDBACK TO
APD BIAS REGULATOR, SEE APPENDIX A, APPLICATION NOTE 92
APD
HIGH VOLTAGE
BIAS INPUT
1789 TA05
1k*
1%
100k*
+
5V
A2
LT1006
–3.5V
100k*
Q1
1M*
Q2
MPSA42
5V
S3
S2
20k
15
16
17
4
3
18
5
2
6
12
13
14
22μF
–3.5V TO
AMPLIFIERS
0.056μF
5V
20k*
20k
200k*
1μF
100V
1μF
100V
30k
10k
1N4690
5.6V
#
= 1N4148
= 0.1% METAL FILM RESISTOR
= TECATE CMC100105MX1825
= LTC1043 PIN NUMBER
= TP0610L
*
1μF 100V
CIRCLED NUMBERS
+
FOR MORE INFORMATION REFER TO APPLICATION NOTE 92
Single Supply Positive Integrator
+
3
VIN
VOUT
8
1
2
3
2
4
5
6
R1
10k
C1
100μF
R2
10Ω
RESET
1789 TA02
VS = 2.7V TO 32V
TIME CONSTANT = (R1)(C1) = 1 SECOND AS SHOWN
7
VS
+
1
4
VS
LT1636
+
LT1789-1
REF
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