参数资料
型号: THS4032CDGNRG4
厂商: Texas Instruments
文件页数: 20/47页
文件大小: 0K
描述: IC OPAMP VFB 100MHZ DUAL 8MSOP
标准包装: 2,500
放大器类型: 电压反馈
电路数: 2
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-TSSOP,8-MSOP(0.118",3.00mm 宽)裸露焊盘
供应商设备封装: 8-MSOP-PowerPad
包装: 带卷 (TR)
配用: 296-10031-ND - EVAL MOD FOR THS4032
VI
VO
C1
+
RG
RF
R1
f
–3dB +
1
2pR1C1
V
O
V
I
+
1 )
R
F
R
G
1
1 ) sR1C1
VI
C2
R2
R1
C1
RF
RG
R1 = R2 = R
C1 = C2 = C
Q = Peaking Factor
(Butterworth Q = 0.707)
(
=
1
Q
2 –
)
RG
RF
_
+
f
–3dB +
1
2pRC
www.ti.com
SLOS224G – JULY 1999 – REVISED MARCH 2010
GENERAL CONFIGURATIONS
When receiving low-level signals, limiting the bandwidth of the incoming signals into the system is often required.
The simplest way to accomplish this is to place an RC filter at the noninverting terminal of the amplifer (see
Figure 58. Single-Pole Low-Pass Filter
If even more attenuation is needed, a multiple-pole filter is required. The Sallen-Key filter can be used for this
task. For best results, the amplifier should have a bandwidth that is 8 to 10 times the filter frequency bandwidth.
Otherwise, phase shift of the amplifier can occur.
Figure 59. Two-Pole Low-Pass Sallen-Key Filter
Copyright 1999–2010, Texas Instruments Incorporated
27
Product Folder Link(s): THS4031 THS4032
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