LT1722/LT1723/LT1724
Single, Dual, Quad 200MHz
Low Noise Precision Op Amps
FEATURES
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DESCRIPTIO
3.8nV/鈭欻z Input Noise Voltage
3.7mA Supply Current
200MHz Gain Bandwidth
Low Total Harmonic Distortion: 鈥?85dBc at 1MHz
70V/碌s Slew Rate
400碌V Maximum Input Offset Voltage
300nA Maximum Input Bias Current
Unity-Gain Stable
Capacitive Load Stable Up to 100pF
23mA Minimum Output Current
Specified at
鹵5V
and Single 5V
The LT
廬
1722/LT1723/LT1724 are single/dual/quad, low
noise, low power, high speed operational amplifiers. These
products feature lower input offset voltage, lower input
bias current and higher DC gain than devices with compa-
rable bandwidth. The 200MHz gain bandwidth ensures
high open-loop gain at video frequencies.
The low input noise voltage is achieved with reduced
supply current. The total noise is optimized for a source
resistance between 0.8k and 12k. Due to the input bias
current cancellation technique used, the resistance seen
by each input does not need to be balanced.
The output drives a 150鈩?load to
鹵3V
with
鹵5V
supplies.
On a single 5V supply the output swings from 1.5V to 3.5V
with a 500鈩?load connected to 2.5V. The amplifier is unity-
gain stable (C
LOAD
鈮?/div>
100pF).
The LT1722/LT1723/LT1724 are manufactured on Linear
Technology鈥檚 advanced low voltage complementary
bipolar process. The LT1722 is available in the SO-8 and
5-pin SOT-23 packages. The LT1723 is available in the
SO-8 and MS8 packages. The LT1724 is available in the
14-lead SO package.
APPLICATIO S
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Video and RF Amplification
ADSL, HDSL II, VDSL Receivers
Active Filters
Wideband Amplifiers
Buffers
Data Acquisition Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
C1 5pF
R3
750鈩?/div>
Differential Video Line Driver
Line Driver Mulitburst Video Signal
R5 2k
R7
62.5鈩?/div>
V
IN
C2 5pF
R4 2k
鈥揤
OUT
62.5鈩?/div>
鈥揤
IN
/2 LOAD
125鈩?/div>
CAT-5
TWISTED PAIR
+V
OUT
0.5V/DIV
1/2 LT1723
V
IN
75鈩?/div>
SOURCE
R2
2k
V
IN
/2 62.5鈩?/div>
+V
OUT
LOAD
V
IN
1V/DIV
鈥揤
OUT
0.5V/DIV
R1
75鈩?/div>
R6
62.5鈩?/div>
1723 TA01
1723 TA02
1/2 LT1723
鈥揤
IN
U
172234fa
U
U
+
+
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