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PDF LTC1150 Data sheet ( Hoja de datos )
| Número de pieza | LTC1150 | |
| Descripción | +-15V Chopper Stabilized Operational Amplifier with Internal Capacitors | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LTC1150 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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FEATURES
■ High Voltage Operation: ±16V
■ No External Components Required
■ Maximum Offset Voltage: 10µV
■ Maximum Offset Voltage Drift: 0.05µV/°C
■ Low Noise 1.8µVP-P (0.1Hz to 10Hz)
■ Minimum Voltage Gain: 135dB
■ Minimum PSRR: 120dB
■ Minimum CMRR: 110dB
■ Low Supply Current: 0.8mA
■ Single Supply Operation: 4.75V to 32V
■ Input Common Mode Range Includes Ground
■ 200µA Supply Current with Pin 1 Grounded
■ Typical Overload Recovery Time 20ms
U
APPLICATIO S
■ Strain Gauge Amplifiers
■ Electronic Scales
■ Medical Instrumentation
■ Thermocouple Amplifiers
■ High Resolution Data Acquisition
LTC1150
±15V Zero-Drift
Operational Amplifier with
Internal Capacitors
DESCRIPTIO
The LTC®1150 is a high-voltage, high-performance
zero-drift operational amplifier. The two sample-and-hold
capacitors usually required externally by other chopper
amplifiers are integrated on-chip. Further, LTC’s propri-
etary high-voltage CMOS structures allow the LTC1150 to
operate at up to 32V total supply voltage.
The LTC1150 has an offset voltage of 0.5µV, drift of
0.01µV/°C, 0.1Hz to 10Hz input noise voltage of 1.8µVP-P
and a typical voltage gain of 180dB. The slew rate of 3V/µs
and a gain bandwidth product of 2.5MHz are achieved with
0.8mA of supply current. Overload recovery times from
positive and negative saturation conditions are 3ms and
20ms, respectively.
For applications demanding low power consumption,
Pin 1 can be used to program the supply current. Pin 5 is
an optional AC-coupled clock input, useful for
synchronization.
The LTC1150 is available in standard 8-lead, plastic dual-
in-line package, as well as an 8-lead SO package. The
LTC1150 can be a plug-in replacement for most standard
bipolar op amps with significant improvement in DC
performance.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Single Supply Instrumentation Amplifier
1k
V+
1M
–VIN
2
–
7
LTC1150
3+
4
6
1M
V+
1k
VIN
2– 7
LTC1150
3+
4
6 VOUT
GAIN = 1000V/V
OUTPUT OFFSET ≤ 5mV
TOTAL SUPPLY CURRENT
DECREASES TO 400µA
WHEN BOTH PIN 1s ARE
GROUNDED
LTC1150 •TA01
160
140
120
100
80
60
40
20
0
10
Noise Spectrum
100 1k 10k 100k
FREQUENCY (Hz)
LTC1150 •TA02
1150fb
1
1 page  
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1150
Input Bias Current vs Supply
Voltage
12
TA = 25°C
VCM = OV
10
8
6
4
2
0
0 ± 2 ± 4 ± 6 ± 8 ± 10 ± 12 ± 14 ± 16
SUPPLY VOLTAGE (V)
LTC1150 • TPC07
Input Bias Current vs Input
Common Mode Voltage
40
VS = ± 15V
30 TA = 25°C
20
–IB
10
0
–10
+IB
–20
–30
– 40
–15 –10 –5 0 5 10 15
INPUT COMMON MODE VOLTAGE (V)
LTC1150 • TPC10
Undistorted Output Swing vs
Frequency
30
25 PIN 1 = V–
RL = 10k
20
15
PIN 1 = FLOATING
RL = 100k
10
5
0
100
1k 10k 100k
FREQUENCY (Hz)
1M
LTC1150 • TPC08
Input Bias Current vs Temperature
–1000
VCM = 0
VS = ± 15V
–100
–IB
–10
+IB
–1
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LTC1150 • TPC11
CMRR vs Frequency
160
140
120
100
80
60
40
20
0
1 10 100 1k 10k 100k
FREQUENCY (Hz)
LTC1150 • TPC13
PSRR vs Frequency
160
POSITIVE SUPPLY, PIN 1 = OPEN
140
120
POSITIVE SUPPLY,
100 PIN 1 = V–
80
60 NEGATIVE SUPPLY,
PIN 1 = OPEN
40
20 NEGATIVE SUPPLY, PIN 1 = V–
0
1 10 100 1k 10k 100k
FREQUENCY (Hz)
LTC1150 • TPC14
Gain/Phase vs Frequency
120
VS = ±2.5V
100 CL = 100pF
80
GAIN
60
PHASE
60
80
100
120
40 140
20 160
0 180
–20 200
– 40
100
1k 10k 100k 1M
FREQUENCY (Hz)
220
10M
LTC1150 • TPC09
Common Mode Input Range vs
Supply Voltage
15
TA = 25°C
10
5
0
–5
–10
–15
0
±2.5 ±5 ±7.5 ±10 ±12.5 ±15
SUPPLY VOLTAGE (V)
LTC1150 • TPC12
Offset Voltage vs
Sampling Frequency
10
VA = ± 15V
TA = 25°C
8 PIN 1 = V–
6
4
PIN 1 = OPEN
2
0
0 1k 2k 3k
SAMPLING FREQUENCY, fS (Hz)
LTC1150 • TPC15
1150fb
5
5 Page 
TYPICAL APPLICATIO S
Low Level Photodetector
15pF
1M
HP 5082-4204
IP
V+
2– 7
LTC1150
3+
4
10Ω
10k
6
OUTPUT = IP • 109Ω
LTC1150 • TA03
LTC1150
Ground Force Reference
1k
SINGLE
POINT
SENSE
GROUND
15V
1000pF
2– 7
LTC1150
6
3+
4
–15V
15V
LT1010
–15V
FORCED
GROUND
LTC1150 • TA04
APPLICATION: TO FORCE TWO GROUND POINTS IN A SYSTEM WITHIN 5µV
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11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet LTC1150.PDF ] | |
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