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LT1464ACN8 Datasheet

  • LT1464ACN8

  • Dual/Quad Micropower, 1MHz C-Load Picoampere Bias Current JF...

  • 12頁

  • LINER

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LT1464/LT1465
Dual/Quad Micropower,
1MHz C-Load Picoampere
Bias Current JFET Input Op Amps
FEATURES
s
DESCRIPTION
The LT
廬
1464 (dual) and LT1465 (quad) are the first
micropower op amps (200碌A(chǔ) max per amp) to offer
picoampere input bias currents (500fA typ) and unity-gain
stability for capacitive loads up to 10nF. The output can
swing a 10k load to within 1.5V of either supply, just like
op amps that require an order of magnitude more supply
current. This unique combination of performance makes
the LT1464/LT1465 ideal over a wide range of input and
output impedances.
In the design and testing of the LT1464/LT1465, particular
emphasis has been placed on optimizing performance in
the low cost SO-8 (dual) and 14-lead SO (quad) package for
鹵15V
and
鹵5V
supplies. The input common mode range
includes the positive rail. Slew rate (0.5V/碌s min) and gain
bandwidth product (650kHz min) are 100% tested. A full
set of matching specifications is also provided.
, LTC and LT are registered trademarks of Linear Technology Corporation.
C-Load is a trademark of Linear Technology Corporation.
s
s
s
s
s
s
s
s
s
Input Bias Current:
2pA Max (LT1464A)
20pA Max (LT1464, LT1465)
Supply Current per Amplifier: 200
碌
A Max
Gain Bandwidth Product: 1MHz Typ
Slew Rate: 0.9V/碌s Typ
Input Common Mode Range Includes Positive Rail
Unity-Gain Stable for C-Load
TM
Up to 10nF
Open-Loop Gain: 1 Million Typ
Guaranteed Specs with
鹵5V, 鹵15V
Supplies
Guaranteed Matching Specifications
Standard Pinout: SO-8, SO-14 Package
APPLICATIONS
s
s
s
s
Battery-Powered Systems
Photocurrent Amplifiers
Low Frequency, Micropower Active Filters
Low Droop Track-and-Hold Circuits
TYPICAL APPLICATION
Micropower Low Droop Track-and-Hold/Peak Detector
V
+
1/4 LTC201 13
A
16
1 MCT2
4
V
鈥?/div>
5
14
V
+
2
7
R1*
1 MCT2
2
2
5
3
6
4
5
3
6
4
2
5
15
C1
10nF
POLYSTYRENE
Small-Signal Response, C
LOAD
= 10nF
+
1/2 LT1464
鈥?/div>
+
8
1
V
OUT
1/2 LT1464
4
V
鈥?/div>
TYPICAL DROOP =
IN
1/4 LTC201
B
1
6
鈥?/div>
LT1464 鈥?TA01
0.5pA
= 0.05mV/s
10nF
TOTAL SUPPLY CURRENT = 460
碌A(chǔ)
MAX
* R1 = 600
鈩?/div>
FOR
鹵15V
SUPPLIES
R1 = 0
鈩?/div>
FOR
鹵5V
SUPPLIES
A
V
= 1
V
S
=
鹵5V, 鹵15V
C
L
= 10nF
FUNCTION
Track-and-Hold
Positive Peak Detector
Negative Peak Detector
MODE
Track
Reset
Reset
IN A IN B
0
0
0
0
0
0
MODE IN A IN B
Hold
1
1
Store
0
1
Store
1
0
LTC201 switch is open for logic "1".
U
U
U
1464 鈥?TA02
1

LT1464ACN8 產(chǎn)品屬性

  • LT1464/65

  • 50

  • 集成電路 (IC)

  • Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

  • C-Load™

  • J-FET

  • 2

  • -

  • 0.9 V/µs

  • 1MHz

  • -

  • 0.5pA

  • 600µV

  • 145µA

  • -

  • ±5 V ~ 15 V

  • 0°C ~ 70°C

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 8-PDIP

  • 管件

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