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LT1122ACJ8

Description
J-FET 放大器 1 电路 - 8-CDIP
Categorysemiconductor    Amplifier IC   
File Size268KB,14 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LT1122ACJ8 Overview

J-FET 放大器 1 电路 - 8-CDIP

LT1122ACJ8 Parametric

Parameter NameAttribute value
category
MakerADI
series*
PackagePipe fittings
Amplifier typeJ-FET
Output type-
Slew rate80V/µs
Current - power supply7.5mA
Voltage - Power supply, single/dual (±)±5V ~ 18V
Operating temperature-40°C ~ 85°C
Installation typeThrough hole
Package/casing8-CDIP(0.300",7.62mm)
Supplier device packaging8-CDIP
Number of circuits1
gain bandwidth product14 MHz
Current - Input Bias10 pA
Voltage - Input Compensation120 µV
Basic product numberLT1122
LT1122
Fast Settling, JFET Input
Operational Amplifier
FEATURES
n
DESCRIPTION
340ns Typ
540ns Max
60V/µs Min
14MHz
1.2 MHz
60°
600µV Max
75pA Max
600pA Max
40pA Max
150pA Max
The
LT
®
1122
JFET input operational amplifier combines
high speed and precision performance.
A unique poly-gate JFET process minimizes gate series
resistance and gate-to-drain capacitance, facilitating wide
bandwidth performance, without degrading JFET transis-
tor matching.
It slews at 80V/µs and settles in 340ns. The LT1122 is
internally compensated to be unity-gain stable, yet it has
a bandwidth of 14MHz at a supply current of only 7mA. Its
speed makes the LT1122 an ideal choice for fast settling
12-bit data conversion and acquisition systems.
The LT1122 offset voltage of 120µV, and voltage gain of
500,000 also support the 12-bit accurate applications.
The input bias current of 10pA and offset current of 4pA
combined with its speed allow the LT1122 to be used in
such applications as high speed sample and hold ampli-
fiers, peak detectors, and integrators.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and C-Load
is a trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
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100% Tested Settling Time
to 1mV at Sum Node, 10V Step
Tested with Fixed Feedback Capacitor
Slew Rate
Gain-Bandwidth Product
Power Bandwidth (20V
P-P
)
Unity-Gain Stable; Phase Margin
Input Offset Voltage
Input Bias Current
25°C
70°C
Input Offset Current
25°C
70°C
Low Distortion
APPLICATIONS
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Fast 12-Bit D/A Output Amplifiers
High Speed Buffers
Fast Sample-and-Hold Amplifiers
High Speed Integrators
Voltage to Frequency Converters
Active Filters
Log Amplifiers
Peak Detectors
TYPICAL APPLICATION
12-Bit Voltage Output D/A Converter
+
Large-Scale Response
CF
2
0mA TO 2mA
OR 4mA
3
LT1122
6
+
V
OUT
0V TO 10V
12-BIT CURRENT OUTPUT D/A CONVERTER
C
F
= 5pF TO 17pF
(DEPENDING ON D/A CONVERTER USED)
5V/DIV
LT1122•TA01
200ns/DIV
A
V
= –1
1122 TA07
1122fb
For more information
www.linear.com/LT1122
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