- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄377692 > LT1189CS8 (LINEAR TECHNOLOGY CORP) Low Power Video Difference Amplifier PDF資料下載
參數(shù)資料
| 型號(hào)： | LT1189CS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Low Power Video Difference Amplifier |
| 中文描述： | OP-AMP, 3000 uV OFFSET-MAX, 35 MHz BAND WIDTH, PDSO8 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 349K |
| 代理商： | LT1189CS8 |
9
LT1189
Instrumentation Amplifier Rejects High Voltage
Instrumentation amplifiers are often used to process
slowly varying outputs from transducers. With the LT1189
it is easy to make an instrumentation amplifier that can
respond to rapidly varying signals. Attenuation resistors
in front of the LT1189 allow very large common-mode
signals to be rejected while maintaining good frequency
response. The input common-mode and differential-mode
signals are reduced by 100:1, while the closed-loop gain
is set to be 100, thereby maintaining unity-gain input to
output. The unique topology allows for frequency re-
sponse boost by adding 150pF to pin 8 as shown.
U
S
A
O
PPLICATI
U
U
3.5MHz Instrumentation Amplifier Rejects 120V
P-P
LT1189 AI03
–
FB
+
REF
100*
100*
V
CM
120V
P-P
V
IN
10k*
10k*
100
150pF
4
7
5V
–5V
LT1189
6
2
1
3
8
* 0.1% RESISTORS
WORST CASE CMRR = 48dB
10k
Output of Instrumentation Amplifier with 1MHz Square Wave
Riding on 120V
P-P
at the Input
LT1189 AI04
High Voltage Instrumentation Amplifier Response
Operating with Low Closed-Loop Gain
The LT1189 has been optimized for closed-loop gains of
10 or greater. The amplifier can be operated at much lower
closed-loop gains with the aid of a capacitor C
FB
across
the feedback resistor, (feedback zero). This capacitor
lowers the closed-loop 3dB bandwidth. The bandwidth
cannot be made arbitrarily low because C
FB
is a short at
high frequency and the amplifier will appear configured
unity-gain. As an approximate guideline, make BW
×
A
VCL
= 200MHz. This expression expands to:
A
R
C
MHz
VCL
FB
FB
2
200
π
(
)(
)
=
or:
C
A
MHz
R
FB
VCL
)( )(
FB
=
(
)
200
2
π
The effect of the feedback zero on the transient and
frequency response is shown for A
V
= 4.
FREQUENCY (Hz)
V
20
LT1189 AI05
100M
10M
1M
100k
0
–20
–60
–40
COMMON-MODE RESPONSE
DIFFERENTIAL-MODE RESPONSE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1189CJ8 | Low Power Video Difference Amplifier |
| LT1189MJ8 | Low Power Video Difference Amplifier |
| LT1189 | Low Power Video Difference Amplifier |
| LT1189C | Low Power Video Difference Amplifier |
| LT1189M | Low Power Video Difference Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1189CS8#PBF | 功能描述:IC AMP VIDEO DIFFRNC ADJ 8-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:驅(qū)動(dòng)器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| LT1189CS8#TR | 功能描述:IC AMP VID DIFF CURR FDBK 8SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:驅(qū)動(dòng)器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| LT1189CS8#TRPBF | 功能描述:IC AMP VIDEO DIFFRNC ADJ 8-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:驅(qū)動(dòng)器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| LT1189MJ8/883 | 制造商:Linear Technology 功能描述:OP Amp Single GP 9V/18V 8-Pin CDIP |
| LT118AH/883 | 制造商:Linear Technology 功能描述:OP Amp Single GP ±20V 8-Pin TO-5 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。