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PDF LT1127 Data sheet ( Hoja de datos )
| Número de pieza | LT1127 | |
| Descripción | High Speed Precision Op Amps | |
| Fabricantes | Linear | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LT1127 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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LT1126/LT1127
Dual/Quad
Decompensated Low Noise,
High Speed Precision Op Amps
FEATURES
■ 100% Tested Low Voltage Noise: 2.7nV/√Hz Typ,
4.2nV/√Hz Max
■ Slew Rate: 11V/µs Typ
■ Gain-Bandwidth Product: 65MHz Typ
■ Offset Voltage, Prime Grade: 70µV Max
Low Grade: 100µV Max
■ High Voltage Gain: 5 Million Min
■ Supply Current Per Amplifier: 3.1mA Max
■ Common Mode Rejection: 112dB Min
■ Power Supply Rejection: 116dB Min
■ Available in 8-Lead SOIC, 8-Lead DIP, 16-Lead SO
and 14-Lead DIP Packages
U
APPLICATIO S
■ 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
DESCRIPTIO
The LT®1126 dual and LT1127 quad are high perfor-
mance, decompensated op amps that offer higher slew
rate and bandwidth than the LT1124 dual and the LT1125
quad operational amplifiers. The enhanced AC perfor-
mance 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, par-
ticular 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.
, LTC and LT are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners. Protected by U.S. Patents including
4775884, 4837496.
TYPICAL APPLICATIO
Low Noise, Wide Bandwidth Instrumentation Amplifier
– INPUT
+
1/4
LT1127
–
620Ω
6.2k
10k
+ INPUT
–
1/4
LT1127
+
200Ω
6.2k
620Ω
–
1/4
LT1127
+
10k
GAIN = 1000, BANDWIDTH = 480kHz
INPUT REFERRED NOISE = 4.5nV/√ Hz AT 1kHz, 6µVRMS OVER BANDWIDTH
OUTPUT
1126-7 TA01
Voltage Noise vs Frequency
100
VS = ±15V
TA = 25°C
30
10
3
1
0.1
MAXIMUM
1/f CORNER
2.3Hz
TYPICAL
1.0 10 100 1000
FREQUENCY (Hz)
1126-7 TA01b
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1
1 page  
LT1126/LT1127
TYPICAL PERFOR A CE CHARACTERISTICS
The typical behavior of many LT1126/LT1127 parameters
is identical to the LT1124/LT1125. Please refer to the
LT1124/LT1125 data sheet for the following performance
characteristics:
0.1Hz to 10Hz Voltage Noise
0.01Hz to 1Hz Voltage Noise
Current Noise vs Frequency
Input Bias or Offset Current vs Temperature
Output Short Circuit Current vs Time
Input Bias Current Over the Common Mode Range
Voltage Gain vs Temperature
Input Offset Voltage Drift Distribution
Offset Voltage Drift with Temperature of Representative
Units
Output Voltage Swing vs Load Current
Common Mode Limit vs Temperature
Channel Separation vs Frequency
Warm-Up Drift
Power Supply Rejection Ratio vs Frequency
Gain, Phase Shift vs Frequency
50
40
Ø
VS = ±15V
TA = 25°C
CL = 10pF
30
60
80
100
20 120
GAIN
10 140
0 160
–10
0.1
1.0 10
FREQUENCY (MHz)
180
100
1126-7 G01
Voltage Gain vs Frequency
180
160
VS = ±15V
TA = 25°C
140
120
100
80
60
40
20
0
–20
0.01
1 100 10k 1M 100M
FREQUENCY (Hz)
1126-7 G04
Small-Signal Transient Response
Large-Signal Transient Response
50mV
0mV
–50mV
+10V
0V
–10V
AVCL= –10, VS = ±15V OR ± 5V
CL = 15pF
1126-7 G02
AVCL= –10, VS = ±15V
1126-7 G03
Common Mode Rejection Ratio vs
Frequency
160
TA = 25°C
140 VS = ±15V
VCM = ±10V
120
100
80
60
40
20
0
1k 10k 100k 1M 10M
FREQUENCY (Hz)
1126-7 G05
Supply Current vs Supply Voltage
3
125°C
25°C
–55°C
2
1
0
0 ±5 ±10 ±15 ± 20
SUPPLY VOLTAGE (V)
1126-7 G06
*See LT1115 data sheet for definition of CCIF testing
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5
5 Page 
PACKAGE DESCRIPTIO
SW Package
16-Lead Plastic Small Outline (Wide .300 Inch)
(Reference LTC DWG # 05-08-1620)
LT1126/LT1127
.030 ±.005
TYP
N
.050 BSC .045 ±.005
.398 – .413
(10.109 – 10.490)
NOTE 4
16 15 14 13 12 11 10
9
N
.420 .325 ±.005
MIN
NOTE 3
.394 – .419
(10.007 – 10.643)
123
N/2
RECOMMENDED SOLDER PAD LAYOUT
.005
(0.127)
RAD MIN
.291 – .299
(7.391 – 7.595)
NOTE 4
.010
(0.254
–
–
.029
0.737)
×
45°
0° – 8° TYP
N/2
123 45678
.093 – .104
(2.362 – 2.642)
.037 – .045
(0.940 – 1.143)
.050
.009 – .013
(0.229 – 0.330)
NOTE 3
.016 – .050
(0.406 – 1.270)
NOTE:
1. DIMENSIONS
IN
INCHES
(MILLIMETERS)
(1.270)
BSC
.014 – .019
(0.356 – 0.482)
TYP
2. DRAWING NOT TO SCALE
3. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
4. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
.004 – .012
(0.102 – 0.305)
S16 (WIDE) 0502
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 representation that
the interconnection of its circuits as described herein will not infringe on existing patent rights.
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LT1127.PDF ] | |
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