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PDF LT1225CS8 Data sheet ( Hoja de datos )
| Número de pieza | LT1225CS8 | |
| Descripción | Very High Speed Operational Amplifier | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LT1225CS8 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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FEATURES
s Gain of 5 Stable
s 150MHz Gain Bandwidth
s 400V/µs Slew Rate
s 20V/mV DC Gain, RL = 500Ω
s 1mV Maximum Input Offset Voltage
s ±12V Minimum Output Swing into 500Ω
s Wide Supply Range: ± 2.5V to ±15V
s 7mA Supply Current
s 90ns Settling Time to 0.1%, 10V Step
s Drives All Capacitive Loads
APPLICATI S
s Wideband Amplifiers
s Buffers
s Active Filters
s Video and RF Amplification
s Cable Drivers
s Data Acquisition Systems
LT1225
Very High Speed
Operational Amplifier
DESCRIPTIO
The LT1225 is a very high speed operational amplifier with
excellent DC performance. The LT1225 features reduced
input offset voltage and higher DC gain than devices with
comparable bandwidth and slew rate. The circuit is a
single gain stage with outstanding settling characteristics.
The fast settling time makes the circuit an ideal choice for
data acquisition systems. The output is capable of driving
a 500Ω load to ±12V with ±15V supplies and a 150Ω load
to ± 3V on ± 5V supplies. The circuit is also capable of
driving large capacitive loads which makes it useful in
buffer or cable driver applications.
The LT1225 is a member of a family of fast, high per-
formance amplifiers that employ Linear Technology
Corporation’s advanced bipolar complementary
processing.
TYPICAL APPLICATI
20MHz,AV = 50 Instrumentation Amplifier
+
LT1225
–
1k
+
250Ω
200pF
VIN
– 250Ω
1k
10k
1k
+
LT1225
1k
–
10k
VOUT
–
LT1225
+
LT1225 TA01
Gain of 5 Pulse Response
LT1225 TA02
1
1 page  
LT1225
TYPICAL PERFOR A CE CHARACTERISTICS
Input Noise Spectral Density
1000
in
100
10
1.0
10
VS = ±15V
TA = 25°C
AV = 101
RS = 100k
1
10 100
en 0.1
0.01
1k 10k 100k
FREQUENCY (Hz)
LT1225 TPC10
Power Supply Rejection Ratio vs
Frequency
100
VS = ±15V
TA = 25°C
80
+PSRR
60
–PSRR
40
20
0
100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
LT1225 TPC11
Voltage Gain and Phase vs
Frequency
100
100
VS = ±15V
80 80
VS = ±5V
60 60
VS = ±15V
VS = ±5V
40 40
20
TA = 25°C
0
100 1k 10k 100k 1M
FREQUENCY (Hz)
20
0
10M 100M
LT1225 TPC13
Output Swing vs Settling Time
10
VS = ±15
8 TA = 25°C
6 10mV SETTLING
4 AV = –5
AV = 5
2
0
–2
–4
–6 AV = –5
–8 AV = 5
–10
0
20 40 60 80 100 120
SETTLING TIME (ns)
LTC1225 TPC14
Closed-Loop Output Impedance vs
Frequency
100
VS = ±15V
TA = 25°C
AV = 5
10
1
0.1
0.01
10k
100k 1M 10M
FREQUENCY (Hz)
100M
LT1225 TPC16
Gain Bandwidth vs Temperature
153
VS = ±15V
152
151
150
149
148
147
–50 –25
0 25 50 75 100 125
TEMPERATURE (˚C)
LT1225 TPC17
Common-Mode Rejection Ratio vs
Frequency
120
VS = ±15V
100 TA = 25°C
80
60
40
20
0
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
LTXXXX • TPCXX
Frequency Response vs
Capacitive Load
24
22
VS = ±15V
TA = 25°C
20 AV = –5
C = 100pF
18 C = 50pF
16
C = 0pF
14
12
10
8
C = 1000pF
C = 500pF
6
4
1M 10M 100M
FREQUENCY (HZ)
LT1225 TPC15
Slew Rate vs Temperature
500
VS = ±15V
AV = –5
450
–SR
400
+SR
350
300
250
200
–50 –25
0 25 50 75 100 125
TEMPERATURE (˚C)
LT1225 TPC18
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LT1225CS8.PDF ] | |
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