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MFG:ADI D/C:09
Part Number: AD622
MFG: ADI
D/C: 09
Description: The AD622 is a low cost, moderately accurate instrumentation amplifier that requires only one external resistor to set ...
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AD622
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Suppliers
DataSheet
General Description
AD622 General Description
The AD622 is a low cost, moderately accurate instrumentation amplifier that requires only one external resistor to set any gain between 2 and 1,000. Or for a gain of 1, no external resistor is required. The AD622 is a complete difference or subtracter amplifier "system" while providing superior linearity and commonmode rejection by incorporating precision laser trimmed resistors.
The AD622 replaces low cost, discrete, two or three op amp instrumentation amplifier designs and offers good common- mode rejection, superior linearity, temperature stability, reliability, and board area consumption. The low cost of the AD622 eliminates the need to design discrete instrumentation amplifiers to meet stringent cost targets. While providing a lower cost solution, it also provides performance and space improvements.
AD622 Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18 V
Internal Power Dissipation2. . . . . . . . . . . . . . . . . . . . 650 mW
Input Voltage (Common Mode) . . . . . . . . . . . . . . . . . . . ±VS
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . ±25 V
Output Short Circuit Duration . . . . . . . . . . . . . . . . Indefinite
Storage Temperature Range (N, R) . . . . . . . 65°C to +125°C
Operating Temperature Range
AD622A . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C to +85°C
Lead Temperature Range
(Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . +300°C
Internal Power Dissipation2. . . . . . . . . . . . . . . . . . . . 650 mW
Input Voltage (Common Mode) . . . . . . . . . . . . . . . . . . . ±VS
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . ±25 V
Output Short Circuit Duration . . . . . . . . . . . . . . . . Indefinite
Storage Temperature Range (N, R) . . . . . . . 65°C to +125°C
Operating Temperature Range
AD622A . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C to +85°C
Lead Temperature Range
(Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . +300°C
AD622 Features
Easy to Use
Low Cost Solution
Higher Performance than Two or Three Op Amp Design
Unity Gain with No External Resistor
Optional Gains with One External Resistor (Gain Range 2 to 1000)
Wide Power Supply Range (62.6 V to 615 V)
Available in 8-Lead PDIP and SOIC
Low Power, 1.5 mA max Supply Current
GOOD DC PERFORMANCE
0.15% Gain Accuracy (G = 1)
125 mV max Input Offset Voltage
1.0 mV/8C max Input Offset Drift
5 nA max Input Bias Current
66 dB min Common-Mode Rejection Ratio (G = 1)
EXCELLENT AC CHARACTERISTICS
800 kHz Bandwidth (G = 10)
10 ms Settling Time to 0.1% @ G = 1100
1.2 V/ms Slew Rate
Low Cost Solution
Higher Performance than Two or Three Op Amp Design
Unity Gain with No External Resistor
Optional Gains with One External Resistor (Gain Range 2 to 1000)
Wide Power Supply Range (62.6 V to 615 V)
Available in 8-Lead PDIP and SOIC
Low Power, 1.5 mA max Supply Current
GOOD DC PERFORMANCE
0.15% Gain Accuracy (G = 1)
125 mV max Input Offset Voltage
1.0 mV/8C max Input Offset Drift
5 nA max Input Bias Current
66 dB min Common-Mode Rejection Ratio (G = 1)
EXCELLENT AC CHARACTERISTICS
800 kHz Bandwidth (G = 10)
10 ms Settling Time to 0.1% @ G = 1100
1.2 V/ms Slew Rate
AD622 Typical Application
Transducer Interface
Low Cost Thermocouple Amplifier
Industrial Process Controls
Difference Amplifier
Low Cost Data Acquisition
Low Cost Thermocouple Amplifier
Industrial Process Controls
Difference Amplifier
Low Cost Data Acquisition
AD622 Connection Diagram
AD622
PDF/DataSheet Download
- Datasheet: AD622
- File Size: 154639 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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AD622 Relative Products
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IC INSTR AMP LP LOW DRIFT 8-SOIC
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IC INSTR AMP LP LOW DRIFT 8-SOIC
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AD621BRZ
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AD621BR-REEL7
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