参数资料
型号: THS4031CDRG4
厂商: Texas Instruments
文件页数: 19/47页
文件大小: 0K
描述: IC OPAMP VFB 100MHZ SGL 8SOIC
标准包装: 2,500
放大器类型: 电压反馈
电路数: 1
转换速率: 100 V/µs
-3db带宽: 100MHz
电流 - 输入偏压: 3µA
电压 - 输入偏移: 500µV
电流 - 电源: 8.5mA
电流 - 输出 / 通道: 90mA
电压 - 电源,单路/双路(±): 9 V ~ 32 V,±4.5 V ~ 16 V
工作温度: 0°C ~ 70°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-SOIC
包装: 带卷 (TR)
配用: 296-10029-ND - EVAL MOD FOR THS4031
_
+
THS4031
VCC
VCC+
10k
0.1
F
m
0.1
F
m
7
8
4
1
2
3
SLOS224G – JULY 1999 – REVISED MARCH 2010
www.ti.com
OFFSET NULLING
The THS403x has very low input offset voltage for a high speed amplifier. However, if additional correction is
required, the designer can make use of an offset nulling function provided on the THS4031. By placing a
potentiometer between terminals 1 and 8 of the device and tying the wiper to the negative supply, the input offset
can be adjusted. This is shown in Figure 56.
Figure 56. Offset Nulling Schematic
OFFSET VOLTAGE
The output offset voltage (VOO) is the sum of the input offset voltage (VIO) and both input bias currents (IIB) times
the corresponding gains. The following schematic and formula can be used to calculate the output offset voltage:
Figure 57. Output Offset Voltage Model
26
Copyright 1999–2010, Texas Instruments Incorporated
Product Folder Link(s): THS4031 THS4032
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