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PDF LT1195 Data sheet ( Hoja de datos )
| Número de pieza | LT1195 | |
| Descripción | Low Power/ High Speed Operational Amplifier | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LT1195 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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LT1195
Low Power, High Speed
Operational Amplifier
FEATURES
■ Gain-Bandwidth Product: 50MHz
■ Unity-Gain Stable
■ Slew Rate: 165V/µs
■ Output Current: ±20mA
■ Low Supply Current: 12mA
■ High Open-Loop Gain: 7.5V/mV
■ Low Cost
■ Single Supply 5V Operation
■ Industry Standard Pinout
■ Output Shutdown
U
APPLICATIO S
■ Video Cable Drivers
■ Video Signal Processing
■ Fast Peak Detectors
■ Fast Integrators
■ Video Cable Drivers
■ Pulse Amplifiers
DESCRIPTIO
The LT®1195 is a video operational amplifier optimized for
operation on single 5V and ±5V supplies. Unlike many
high speed amplifiers, the LT1195 features high open-
loop gain, over 75dB, and the ability to drive heavy loads
to a full power bandwidth of 8.5 MHz at 6VP-P. The LT1195
has a unity-gain stable bandwidth of 50MHz, a 60° phase
margin and consumes only 12mA of supply current,
making it extremely easy to use.
Because the LT1195 is a true operational amplifier, it is an
ideal choice for wideband signal conditioning, fast
integrators, peak detectors, active filters, and applications
requiring speed, accuracy, and low cost.
The LT1195 is a low power version of the popular LT1190,
and is available in 8-pin miniDIPs and SO packages with
standard pinouts. The normally unused Pin 5 is used for a
shutdown feature that shuts off the output and reduces
power dissipation to a mere 15mW.
, LTC and LT are registered trademarks of Linear Technology Corporation
TYPICAL APPLICATIO
Fast Pulse Detector
RI
1k
VIN
RS
50Ω
5V
3+ 7
CI
60pF 2
LT1195
–4
D1
1N5712
6
RL
10k
– 5V
RB D2
10k 1N5712
– 5V
– 5V
CL
1000pF
1195 TA01
Pulse Detector Response
OUTPUT
INPUT
1195TAO2
1195fa
1
1 page  
TYPICAL PERFOR A CE CHARACTERISTICS
Input Bias Current vs
Common Mode Voltage
3.0
VS = ±5V
2.5
2.0
1.5
1.0 –55°C
0.5
25°C
0
125°C
– 0.5
–5 –4 –3 –2 –1 0 1 2 3 4 5
COMMON MODE VOLTAGE (V)
1195 G01
Equivalent Input Noise Voltage
vs Frequency
600
VS = ±5V
500
TA = 25°C
RS = 0Ω
400
300
200
100
0
10 100 1k 10k 100k
FREQUENCY (Hz)
1195 G04
Input Bias Current vs
Temperature
100
VS = ±5V
0
+IB
–100
– 200
– 300
IOS
–IB
– 400
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1195 G02
Equivalent Input Noise Current
vs Frequency
14
VS = ±5V
12
TA = 25°C
RS = 100k
10
8
6
4
2
10 100 1k
10k 100k
FREQUENCY (Hz)
1195 G05
Shutdown Supply Current
vs Temperature
6
VS = ±5V
5
VS/D = –VEE + 0.6V
4
VS/D = –VEE + 0.4V
3 VS/D = –VEE + 0.2V
2
1
0
–50 –25
VS/D = –VEE
0 25 50 75
TEMPERATURE (°C)
100 125
1195 G07
Output Voltage Swing vs
Load Resistance
5
VS = ±5V
TA = –55°C
3
TA = 25°C
TA = 125°C
1
–1
–3 TA = 25°C
TA = 125°C
TA = –55°C
–5
10
100
LOAD RESISTANCE (Ω)
1k
1195 G08
LT1195
Common Mode Voltage vs
Temperature
V+
–0.5
–1.0 V+ = 1.8V TO 9V
–1.5
–2.0
2.0
1.5
V+ = –1.8V TO –9V
1.0
0.5
V–
–50
–25
0 25 50 75
TEMPERATURE (°C)
100 125
1195 G03
Supply Current vs Supply Voltage
16
– 55°C
14
25°C
12
125°C
10
8
0 2 4 6 8 10
±SUPPLY VOLTAGE (V)
1195 G06
Open-Loop Gain vs Temperature
10k
VS = ±5V
VO = ±3V
8k
RL = 1k
6k
4k
2k
RL = 150Ω
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1195 G09
1195fa
5
5 Page 
LT1195
APPLICATIO S I FOR ATIO
TRANSMIT 1
Bidirectional Video Bus
TRANSMIT 2
75Ω
1k
3+
1k LT1195
2–
1k
1k
6
+3
6
LT1195
1k
–2
75Ω
1k
1k
1k
2 – –2
LT1195
6
6
LT1195
3 + 33Ω 33Ω
33Ω 33Ω
+3
S/D
1000 FT
S/D
5 + 3 15Ω
TWISTED-PAIR
15Ω 3 + 5
75Ω 6
–2
15Ω
15Ω 2 – 6
LT1187+ 1
1 + LT1187
RFB
300Ω
–8
8 – RFB
300Ω
RG
300Ω
1000pF
50Ω
1000pF
50Ω
RG
300Ω
75Ω
RECEIVE 2
RECEIVE 1
1195 AI12
SIWPLIFIED SCHEWATIC
VBIAS
VBIAS
CM
7 V+
+3
CFF
–2
V+ V+
6 VOUT
5 18
S/D BAL BAL
* SUBSTRATE DIODE, DO NOT FORWARD BIAS
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
*
4 V–
1195 SS
1195fa
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LT1195.PDF ] | |
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