LT1126AM Linear Technology, LT1126AM Datasheet

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LT1126AM

Manufacturer Part Number
LT1126AM
Description
Dual/Quad Decompensated Low Noise/ High Speed Precision Op Amps
Manufacturer
Linear Technology
Datasheet
FEATURE
A
PPLICATI
Two and Three Op Amp Instrumentation Amplifiers
Low Noise Signal Processing
Active Filters
Microvolt Accuracy Threshold Detection
Strain Gauge Amplifiers
Direct Coupled Audio Gain Stages
Tape Head Preamplifiers
Microphone Preamplifiers
Accelerometer Amplifiers
Infrared Detectors
– INPUT
+ INPUT
100% Tested Low Voltage Noise
Slew Rate
Gain-Bandwidth Product
Offset Voltage, Prime Grade
High Voltage Gain
Supply Current Per Amplifier
Common Mode Rejection
Power Supply Rejection
Available in 8-Pin SO Package
GAIN = 1000, BANDWIDTH = 480kHz
INPUT REFERRED NOISE = 4.5nV/ Hz AT 1kHz, 6 V
Low Noise, Wide Bandwidth Instrumentation Amplifier
+
+
LT1127
LT1127
S
1/4
1/4
O
Low Grade
U
S
6.2k
6.2k
200
620
620
RMS
4.2nV/ Hz Max
2.7nV/ Hz Typ
OVER BANDWIDTH
5 Million Min
11V/ s Typ
100 V Max
3.1mA Max
65MHz Typ
112dB Min
116dB Min
70 V Max
10k
+
LT1127
High Speed Precision Op Amps
1/4
10k
Decompensated Low Noise,
D
The LT1126 dual and LT1127 quad are high performance,
decompensated op amps that offer higher slew rate and
bandwidth than the LT1124 dual and the LT1125 quad
operational amplifiers. The enhanced AC performance is
available without degrading DC specs of the LT1124/
LT1125. Both LT1126/LT1127 are stable in a gain of 10 or
more.
In the design, processing, and testing of the device,
particular attention has been paid to the optimization of the
entire distribution of several key parameters. Slew rate,
gain-bandwidth, and 1kHz noise are 100% tested for each
individual amplifier. Consequently, the specifications of
even the lowest cost grades (the LT1126C and the LT1127C)
have been enhanced.
Power consumption of the dual LT1126 is less than one
half of two OP-37s. Low power and high performance in an
8-pin SO package makes the LT1126 a first choice for
surface mounted systems and where board space is
restricted.
Protected by U.S. patents 4,775,884 and 4,837,496.
ESCRIPTIO
LT1126 • TA01
OUTPUT
U
100
30
10
1
3
0.1
Voltage Noise vs Frequency
1.0
1/f CORNER
Dual/Quad
LT1126/LT1127
2.3Hz
FREQUENCY (Hz)
10
V = 15V
T = 25°C
A
MAXIMUM
TYPICAL
S
100
LT1126 • TA07
1000
1

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LT1126AM Summary of contents

Page 1

FEATURE S 100% Tested Low Voltage Noise Slew Rate Gain-Bandwidth Product Offset Voltage, Prime Grade Low Grade High Voltage Gain Supply Current Per Amplifier Common Mode Rejection Power Supply Rejection Available in 8-Pin SO Package PPLICATI S ...

Page 2

... A LT1126AM/AC LT1127AM/AC CONDITIONS (Note 1) MIN LT1126 LT1127 LT1126 LT1127 0.1Hz to 10Hz (Notes 7 and 8) ORDER PART TOP VIEW NUMBER + OUT B LT1126AMJ8 A 6 –IN B LT1126MJ8 B + LT1126CJ8 N8 PACKAGE LT1126ACN8 8-LEAD PLASTIC DIP LT1126CN8 LT1126 • POI02 TOP VIEW LT1127AMJ 14 OUT D LT1127MJ 13 – ...

Page 3

... 2.6 f 10Hz (Note 8) 134 150 V = 10V 15V 125 C, unless otherwise noted LT1126AM LT1127AM CONDITIONS (Note 1) MIN LT1126 LT1127 (Note 4) LT1126 LT1127 11 11.3V 106 18V 110 S R 10k V = 10V 3 ...

Page 4

LT1126/LT1127 ELECTRICAL C HARA TERISTICS C SYMBOL PARAMETER V Input Offset Voltage Average Input Offset Voltage Drift OS I Input Offset Current OS I Input Bias Current B V Input Voltage Range CM CMRR Common Mode ...

Page 5

W U TYPICAL PERFOR A Gain, Phase Shift vs Frequency 15V S Ø 25° 10pF GAIN 10 0 –10 0.1 1.0 10 100 FREQUENCY (MHz) LT1126 • TPC01 ...

Page 6

... In low closed loop gain configurations and IN with R and R S excess phase shift and even oscillation. A small capacitor ( parallel with completely removed. LT1126AM/AC LT1127AM/AC 98% YIELD 110 150 1 115 118 S 20k 15k TRIM 5% +15V ...

Page 7

... Q1A Q13 INVERTING INPUT (–) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. S 1.1k – ...

Page 8

... NOTE 1 0.004 – 0.012 (10.007 – 10.643) (0.102 – 0.305 BA/GP 0192 10K REV 0 LINEAR TECHNOLOGY CORPORATION 1992 J14 1291 0.394 – 0.419 ...

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