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LT1220 Fiches technique(PDF) 1 Page - Linear Technology

No de pièce LT1220
Description  45MHz, 250V/us Operational Amplifier
Download  8 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
Logo LINER - Linear Technology

LT1220 Fiches technique(HTML) 1 Page - Linear Technology

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1
LT1220
45MHz, 250V/
µs
Operational Amplifier
S
FEATURE
DESCRIPTIO
s
Gain-Bandwidth: 45MHz
s
Unity-Gain Stable
s
Slew Rate: 250V/
µs
s
C-Load
TM Op Amp Drives Capacitive Loads
s
Maximum Input Offset Voltage: 1mV
s
Maximum Input Bias Current: 300nA
s
Maximum Input Offset Current: 300nA
s
Minimum Output Swing Into 500
Ω: ±12V
s
Minimum DC Gain: 20V/mV, RL = 500Ω
s
Settling Time to 0.1%: 75ns, 10V Step
s
Settling Time to 0.01%: 95ns, 10V Step
s
Differential Gain: 0.1%, AV = 2, RL = 150Ω
s
Differential Phase: 0.2
°, AV = 2, RL = 150Ω
The LT1220 is a high speed operational amplifier with
superior DC performance. The LT1220 features reduced
input offset voltage, lower input bias currents and higher
DC gain than devices with comparable bandwidth and slew
rate. The circuit is a single gain stage that includes
proprietary DC gain enhancement circuitry to obtain pre-
cision with high speed. The high gain and fast settling time
make the circuit an ideal choice for data acquisition
systems. The circuit is also capable of driving large
capacitive loads which makes it useful in buffer or cable
driver applications.
The LT1220 is a member of a family of fast, high perfor-
mance amplifiers that employ Linear Technology
Corporation’s advanced complementary bipolar process-
ing. For applications with gains of 4 or greater the LT1221
can be used, and for gains of 10 or greater the LT1222 can
be used for increased bandwidth.
s
Wideband Amplifiers
s
Buffers
s
Active Filters
s
Video and RF Amplification
s
Cable Drivers
s
8-, 10-, 12-Bit Data Acquisition Systems
S
APPLICATI
TYPICAL APPLICATION
Two Op Amp Instrumentation Amplifier
Inverter Pulse Response
LT1220 • TA02
RF = RG = 1k
VS = ±15V
VIN = 20V
f = 2MHz
+
LT1220
GAIN = [R4/R3][1 + (1/2)(R2/R1 + R3/R4) + (R2 + R3)/R5] = 102
TRIM R5 FOR GAIN
TRIM R1 FOR COMMON-MODE REJECTION
BW = 450kHz
VIN
VOUT
LT1220
LT1220 • TA01
R3
1k
R5
220
R4
10k
R2
1k
R1
10k
and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation.
C-Load is a trademark of Linear Technology Cortporation.


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