参数资料
型号: LT1190CS8#TRPBF
厂商: Linear Technology
文件页数: 2/12页
文件大小: 0K
描述: IC OP-AMP VIDEO HISPD SNGL 8SOIC
标准包装: 2,500
应用: 通用
电路数: 1
转换速率: 450 V/µs
电流 - 电源: 32mA
电流 - 输出 / 通道: 50mA
电压 - 电源,单路/双路(±): 4.75 V ~ 16 V,±2.38 V ~ 8 V
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)
10
LT1190
A 1X Scope Probe Is a
Large Capacitive Load
An Unterminated Cable Is
a Large Capacitive Load
Murphy Circuits
Driving Capacitive Load
The ability to maintain shutoff is shown on the curve
Shutdown Supply Current vs Temperature in the Typical
Performance Characteristics section. At very high
elevated temperatures it is important to hold the shut-
down pin close to the negative supply to keep the supply
current from increasing.
Murphy Circuits
There are several precautions the user should take when
using the LT1190 in order to realize its full capability.
Although the LT1190 can drive a 50pF load, isolating the
capacitance with 10
can be helpful. Precautions prima-
rily have to do with driving large capacitive loads.
Other precautions include:
1. Use a ground plane (see Design Note 50, High Fre-
quency Amplifier Evaluation Board).
2. Do not use high source impedances. The input
capacitance of 2pF and RS = 10k for instance, will give
an 8MHz – 3dB bandwidth.
3. PC board socket may reduce stability.
4. A feedback resistor of 1k or lower reduces the effects of
stray capacitance at the inverting input. (For instance,
closed-loop gain of 2 can use RFB = 300 and RG =
300
.)
APPLICATIO S I FOR ATIO
WU
UU
LT1190 TA13
COAX
5V
–5V
4
2
7
3
6
2
5V
7
–5V
4
3
6
SCOPE
PROBE
2
5V
7
–5V
4
3
6
1X SCOPE
PROBE
+
LT1190
+
LT1190
+
LT1190
A Scope Probe on the Inverting
Input Reduces Phase Margin
LT1190 TA11
AV = –1, IN DEMO BOARD, CL = 50pF
LT1190 TA12
AV = –1, IN DEMO BOARD, CL = 50pF
WITH 10
ISOLATING RESISTOR
相关PDF资料
PDF描述
LT1191CS8#TRPBF IC OP-AMP VIDEO HISPD SNGL 8SOIC
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