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Instrumentation Amplifiers

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SGM8965A-2XS8G/TR
SGMICRO
30V/μs@ 5.5V 50KHz 2 2.2V ±2.75V,5.5V 280μV 1pA 50MHz SOIC-8 SMD mount
Quantity: 20000
Ship Date: 6-8 weeks
4000+ $0.7341
- +
x $0.7341
Ext. Price: $2936.40
MOQ: 4000
Mult: 4000
SPQ: 4000
SGM8255A-2XS8G/TR
SGMICRO
850μA 5V/μs 8.5KHz 135dB 2 4.5V 36V 25μV 100pA 8.5MHz SOIC-8
Quantity: 20000
Ship Date: 6-8 weeks
4000+ $1.2235
- +
x $1.2235
Ext. Price: $4894.00
MOQ: 4000
Mult: 4000
SPQ: 4000
OPA2277UA/2K5G4
Texas Instruments
Quantity: 26
Ship Date: 1-354 weeks
10+
10+ $0.3952
200+ $0.3854
1000+ $0.3756
3000+ $0.3658
- +
x $0.3952
Ext. Price: $3.95
MOQ: 10
Mult: 1
MCP6G04T-E/SL
Microchip Technology
110μA 4.5V/μs 4 3V 5.5V 1mV 1pA 900KHz SOIC-14 SMD mount,glue mount 8.65mm(length)*3.9mm(width)
Quantity: 18200
Ship Date: 10-15 working days
2000+ $1.2294
3000+ $1.1973
- +
x $1.2294
Ext. Price: $3196.44
MOQ: 2600
Mult: 2600
SPQ: 2600
LMV324IPT
STMicroelectronics
STMicroelectronics Low power operational amplifier, Four channels, TSSOPencapsulation, Single power supply, surface mount, 14Pin
Quantity: 1427
In Stock
2416+
1+ $0.2242
10+ $0.191
30+ $0.1654
100+ $0.1561
500+ $0.1477
1000+ $0.1409
- +
x $0.2242
Ext. Price: $0.22
MOQ: 1
Mult: 1
SPQ: 2500
TS321CX5 RFG
Taiwan Semiconductor
430μA 400mV/μs 1MHz 85dB 1.2mA 1 ±16V,32V 2mV~7mV 45nA SOT-25 SMD mount,glue mount
Quantity: 33000
Ship Date: 10-15 working days
25+
3000+ $0.128
9000+ $0.1246
18000+ $0.1168
- +
x $0.128
Ext. Price: $768.00
MOQ: 6000
Mult: 3000
SPQ: 3000
AMC1311DWV
Texas Instruments
7.1mA 220KHz 13mA 1 4.5V 5.5V 400μV 3.5nA 220KHz SOIC-8 SMD mount 2.8mm(height)
Quantity: 2960
Ship Date: 3-7 working days
10+ $0.7182
500+ $0.7064
1000+ $0.6888
- +
x $0.7182
Ext. Price: $28.72
MOQ: 40
Mult: 1
SPQ: 1
INA128P
Texas Instruments
Texas Instruments Texas Instruments Instrumentation Amplifiers, Dual channel, Through hole mounting, 50μVbias, 8Pin PDIPencapsulation
Quantity: 3285
Ship Date: 3-4 weeks
1000+ $12.717
2000+ $12.4977
3000+ $12.2785
- +
x $12.717
Ext. Price: $12717.00
MOQ: 1000
Mult: 1000
HA2-5111-5
HARRIS
Quantity: 3576
Ship Date: 9-13 working days
95+
25+ $3.2455
50+ $3.1056
100+ $3.0497
300+ $3.0217
500+ $2.9937
1000+ $2.9098
5000+ $2.9098
- +
x $3.2455
Ext. Price: $120.08
MOQ: 37
Mult: 1
SPQ: 1
LTC6373HDFM#TRPBF
Analog Devices
4.4mA 12V/μs 47mA 92μV 2pA 7.5MHz DFN-12-EP SMD mount,glue mount
Quantity: 19
Ship Date: 10-18 working days
1+ $8.7707
- +
x $8.7707
Ext. Price: $149.10
MOQ: 17
Mult: 1
SPQ: 1
LTC6362HMS8#PBF
Analog Devices
1mA 45V/μs 180MHz 100dB 25mA 1 5.25V 75μV 75nA 34MHz MSOP SMD mount 3mm*3mm*860μm
Quantity: 62
Ship Date: 10-18 working days
1+ $3.3077
- +
x $3.3077
Ext. Price: $142.23
MOQ: 43
Mult: 1
SPQ: 1
TY30533R2G
ON Semiconductor
Quantity: 47684
Ship Date: 9-13 working days
22+
500+ $0.1358
1000+ $0.132
5000+ $0.132
- +
x $0.1358
Ext. Price: $118.14
MOQ: 870
Mult: 1
SPQ: 1
MAX4080TASA
Analog Devices
75μA 1 4.5V 76V 100μV 5μA 250KHz SOIC-8 SMD mount 4.9mm*3.9mm*1.55mm
Quantity: 1455
Ship Date: 10-18 working days
1+ $1.4505
- +
x $1.4505
Ext. Price: $142.14
MOQ: 98
Mult: 1
SPQ: 1
OP37GS
Analog Devices
17V/μs 63MHz 1 ±22V 30μV 15nA SOIC-8 SMD mount 1.75mm(height)
Quantity: 119
Ship Date: 10-18 working days
1+ $2.0605
- +
x $2.0605
Ext. Price: $142.17
MOQ: 69
Mult: 1
SPQ: 1
AD518JH/+
Analog Devices
5μA 70V/μs 12MHz 10mA 2mV 120nA TO-99 Through hole mounting
Quantity: 2646
Ship Date: 10-18 working days
1+ $10.7499
- +
x $10.7499
Ext. Price: $150.49
MOQ: 14
Mult: 1
SPQ: 1
TSZ182HYDT
STMicroelectronics
800μA(x2 Channels) 4.7V/μs 3MHz 29mA 25μV 30pA SOIC-8 SMD mount,glue mount
Quantity: 7003
Ship Date: 9-13 working days
20+
50+ $1.5941
100+ $1.5654
300+ $1.5511
500+ $1.5367
1000+ $1.4936
5000+ $1.4936
- +
x $1.5941
Ext. Price: $119.55
MOQ: 75
Mult: 1
SPQ: 1
SC2901DR2G
ON Semiconductor
800μA 2mV 25nA SOIC-14 SMD mount,glue mount
Quantity: 3218
Ship Date: 9-13 working days
23+
500+ $0.1632
1000+ $0.1587
5000+ $0.1587
- +
x $0.1632
Ext. Price: $118.15
MOQ: 724
Mult: 1
SPQ: 1
MAX4461HEUT-T
Analog Devices
1.1mA 2.5MHz 90dB 1 3V 5.25V 600μV 100pA SOT-23-6 SMD mount,glue mount 2.9mm*1.63mm*1.1mm
Quantity: 4621
Ship Date: 10-18 working days
1+ $2.7112
- +
x $2.7112
Ext. Price: $140.98
MOQ: 52
Mult: 1
SPQ: 1
MAX409BEPA+
Analog Devices
1μA 80mV/μs 150KHz 60dB 600μA 1 10V 750μV 0.1pA PDIP-8 Through hole mounting 4.45mm(height)
Quantity: 809
Ship Date: 10-18 working days
1+ $5.8833
- +
x $5.8833
Ext. Price: $141.19
MOQ: 24
Mult: 1
SPQ: 1
MAX4461HETT+T
Analog Devices
800μA 250mV/μs 2.5MHz 90dB 150mA 1 3V 5.25V 100μV 1pA 25KHz TDFN-6-EP SMD mount,glue mount 5mm*4mm*1.5mm
Quantity: 2392
Ship Date: 10-18 working days
1+ $1.7894
- +
x $1.7894
Ext. Price: $141.36
MOQ: 79
Mult: 1
SPQ: 1
INA333AIDRGR
Texas Instruments
50μA 160mV/μs 40mA 1 3V ±2.75V,5.5V 10μV 70pA 150KHz WSON-8 SMD mount,glue mount 3mm*3mm*800μm
Quantity: 34
In Stock
23+
1+ $1.2728
10+ $1.1146
30+ $0.9293
100+ $0.8947
300+ $0.8609
1000+ $0.8238
- +
x $1.2728
Ext. Price: $1.27
MOQ: 1
Mult: 1
SPQ: 2000
NCS325SN2T1G
ON Semiconductor
21μA 160mV/μs 350KHz 5mA 1 1.8V 5.5V 14μV 50pA TSOP-5 SMD mount,glue mount 1.1mm(height)
Quantity: 5998
In Stock
25+
1+ $0.2436
10+ $0.2102
30+ $0.16
100+ $0.1487
300+ $0.1451
3000+ $0.1408
- +
x $0.2436
Ext. Price: $0.24
MOQ: 1
Mult: 1
SPQ: 3000
SMP18FRUZ-REEL7
Analog Devices
6mA 7V/μs 8 2.5mV 500nA TSSOP-16 SMD mount,glue mount 5mm*4.4mm*1.05mm
Quantity: 1897
Ship Date: 10-18 working days
1+ $22.1369
- +
x $22.1369
Ext. Price: $154.95
MOQ: 7
Mult: 1
SPQ: 1
AD625ADZ
Analog Devices
3.5mA 5V/μs 25MHz 110dB 1 6V 50μV 30nA 650KHz CDIP-16 Through hole mounting 20.32mm*7.37mm*2.41mm
Quantity: 44
Ship Date: 10-18 working days
1+ $60.5003
- +
x $60.5003
Ext. Price: $181.50
MOQ: 3
Mult: 1
SPQ: 1
INA2126PA
Texas Instruments
175μA(x2 Channels) 400mV/μs 200KHz 83dB 10mA 2 2.7V 36V 150μV 50nA 200KHz PDIP-16 Through hole mounting 19.3mm*6.35mm*4.57mm
Quantity: 32
Ship Date: 9-13 working days
12+
50+ $1.9602
100+ $1.9249
300+ $1.9072
500+ $1.8896
1000+ $1.8366
5000+ $1.8366
- +
x $1.9602
Ext. Price: $119.57
MOQ: 61
Mult: 1
SPQ: 1

Instrumentation Amplifiers

Instrumentation Amplifiers (InAmps) are a type of operational amplifier (op-amp) specifically designed for precision applications, where they provide high input impedance, low output impedance, and excellent common-mode rejection ratio (CMRR). Here's a concise overview:

Definition:
An Instrumentation Amplifier is a differential amplifier with a high input impedance and a high common-mode rejection ratio. It is used to amplify the difference between two input signals while rejecting common-mode signals that appear on both inputs.

Function:
- Differential Signal Amplification: InAmps amplify the difference between two input signals, which is crucial for measuring small signals in the presence of noise.
- Common-Mode Rejection: They reject signals that are common to both inputs, which is essential for accurate signal processing in noisy environments.
- High Input Impedance: This prevents loading down the source of the input signals, ensuring that the signal integrity is maintained.
- Low Output Impedance: This allows the output to drive loads without significant signal degradation.

Applications:
1. Sensor Signal Conditioning: Used to amplify and filter signals from sensors like strain gauges, thermistors, and accelerometers.
2. Bio-medical Equipment: For amplifying微弱的生物电信号, such as EEG or ECG signals.
3. Industrial Control Systems: To process signals from transducers in process control applications.
4. Data Acquisition Systems: For accurate signal processing in data logging and systems.

Selection Criteria:
1. Gain Accuracy: Ensures the amplifier's gain is consistent and stable.
2. CMRR: A higher CMRR is desirable for better rejection of common-mode signals.
3. Input Impedance: Should be high enough to not load the signal source.
4. Output Impedance: Should be low for driving capacitive loads or long cables without signal degradation.
5. Power Supply Rejection Ratio (PSRR): Indicates how well the amplifier rejects power supply noise.
6. Bandwidth: The frequency range over which the amplifier can operate effectively.
7. Temperature Stability: Important for applications where the operating temperature can vary.
8. Noise Performance: Low noise is crucial for applications requiring high signal-to-noise ratios.

When selecting an InAmp, it's important to consider these factors in relation to the specific requirements of the application to ensure optimal performance.
Please refer to the product rule book for details.