参数资料
型号: THS4022IDRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 2 CHANNEL, VIDEO AMPLIFIER, PDSO8
封装: PLASTIC, MS-012AA, SOIC-8
文件页数: 5/28页
文件大小: 922K
代理商: THS4022IDRG4
www.ti.com
Offset Voltage
+
V
IO
R
G
R
S
R
F
I
IB–
V
OS
I
IB+
+
S0280-01
(
)
RF
V
I
R
1
I
R
OS
IO
IB
S
IB
F
RG
= ±
±
+
±
÷
+
-
÷
è
General Configurations
V
I
V
O
C1
+
R
G
R
F
R1
S0281-01
3dB
1
f
2 R1C1
-
=
p
O
F
I
G
V
R
1
V
R
1
sR1C1
=
+
÷
÷
+
è
è
SLOS265C – SEPTEMBER 1999 – REVISED JULY 2007
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 schematic and formula of Figure 35 can be used to calculate the output offset
voltage.
Figure 35. Output Offset Voltage Model
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 amplifier (see
Figure 36. Single-Pole Low-Pass Filter
Copyright 1999–2007, Texas Instruments Incorporated
13
Product Folder Link(s): THS4021 THS4022
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