LT1812
3mA, 100MHz, 750V/碌s
Operational Amplifier
with Shutdown
FEATURES
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DESCRIPTIO
100MHz Gain Bandwidth
750V/碌s Slew Rate
3.6mA Maximum Supply Current
Available in SOT-23 and S8 Packages
50
碌
A Supply Current in Shutdown
8nV/鈭欻z Input Noise Voltage
Unity-Gain Stable
1.5mV Maximum Input Offset Voltage
4碌A(chǔ) Maximum Input Bias Current
400nA Maximum Input Offset Current
40mA Minimum Output Current, V
OUT
=
鹵3V
鹵3.5V
Minimum Input CMR, V
S
=
鹵5V
30ns Settling Time to 0.1%, 5V Step
Specified at
鹵5V,
Single 5V Supplies
Operating Temperature Range: 鈥?40擄C to 85擄C
The LT
廬
1812 is a low power, high speed, very high slew
rate operational amplifier with excellent DC performance.
The LT1812 features reduced supply current, lower input
offset voltage, lower input bias current and higher DC gain
than other devices with comparable bandwidth. A power
saving shutdown feature reduces supply current to 50碌A(chǔ).
The circuit topology is a voltage feedback amplifier with
the slewing characteristics of a current feedback amplifier.
The output drives a 100鈩?load to
鹵3.5V
with
鹵5V
supplies.
On a single 5V supply, the output swings from 1.1V to 3.9V
with a 100鈩?load connected to 2.5V. The amplifier is stable
with a 1000pF capacitive load which makes it useful in
buffer and cable driver applications.
The LT1812 is manufactured on Linear Technology鈥檚
advanced low voltage complementary bipolar process.
The dual version is the LT1813. For higher supply voltage
single, dual and quad operational amplifiers with up to
70MHz gain bandwidth, see the LT1351 through LT1365
data sheets.
APPLICATIO S
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Wideband Amplifiers
Buffers
Active Filters
Video and RF Amplification
Cable Drivers
Data Acquisition Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
4MHz, 4th Order Butterworth Filter
232鈩?/div>
274鈩?/div>
47pF
VOLTAGE GAIN (dB)
10
0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
1812 TA01
V
IN
220pF
LT1812
470pF
+
鈥?/div>
+
鈥?/div>
232鈩?/div>
665鈩?/div>
274鈩?/div>
562鈩?/div>
22pF
LT1812
V
OUT
鈥?0
0.1
U
Filter Frequency Response
V
S
=
鹵5V
V
IN
= 600mV
P-P
PEAKING < 0.12dB
1
10
FREQUENCY (MHz)
100
1812 TA02
U
U
1
LT1812IS6相關(guān)型號PDF文件下載
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