High Accuracy Amplifier IC Chip AD8221ARZ-R7 Gain Range 1-1000 Space Saving MSOP Available
instrumentation amplifier chip
,operational amplifier chi
AD694ARZ-REEL Mono Current Transmitter SOIC-16 4-20mA Amplifier IC Chip Single Circuit
Available in space-saving MSOP
Gain set with 1 external resistor (gain range 1 to 1000)
Wide power supply range: ±2.3 V to ±18 V
Temperature range for specified performance:
−40°C to +85°C
Operational up to 125°C1
Excellent AC specifications
80 dB minimum CMRR to 10 kHz (G = 1)
825 kHz, –3 dB bandwidth (G = 1)
2 V/µs slew rate
Low noise
8 nV/√Hz, @ 1 kHz, maximum input voltage noise
0.25 µV p-p input noise (0.1 Hz to 10 Hz)
High accuracy dc performance (AD8221BR)
90 dB minimum CMRR (G = 1)
25 µV maximum input offset voltage
0.3 µV/°C maximum input offset drift
0.4 nA maximum input bias current
PRODUCT DESCRIPTION
The AD8221 is a gain programmable, high performance instrumentation amplifier that delivers the industry’s highest CMRR over frequency in its class. The CMRR of instrumentation amplifiers on the market today falls off at 200 Hz. In contrast, the AD8221 maintains a minimum CMRR of 80 dB to 10 kHz for all grades at G = 1. High CMRR over frequency allows the AD8221 to reject wideband interference and line harmonics, greatly simplifying filter requirements. Possible applications include precision data acquisition, biomedical analysis, and aerospace instrumentation.
Low voltage offset, low offset drift, low gain drift, high gain accuracy, and high CMRR make this part an excellent choice in applications that demand the best dc performance possible, such as bridge signal conditioning.
Programmable gain affords the user design flexibility. A single resistor sets the gain from 1 to 1000. The AD8221 operates on both single and dual supplies and is well suited for applications where ±10 V input voltages are encountered.
Applications
- Weigh scales
- Industrial process controls
- Bridge amplifiers
- Precision data acquisition systems
- Medical instrumentation
- Strain gages
- Transducer interfaces
ORDERING GUIDE
| AD8221AR |
| AD8221AR-REEL |
| AD8221AR-REEL7 |
| AD8221ARZ |
| AD8221ARZ-R7 |
| AD8221ARZ-RL |
| AD8221ARM |
| AD8221ARM-REEL |
| AD8221ARM REEL7 |
| AD8221ARMZ |
| AD8221ARMZ-R7 |
| AD8221ARMZ-RL |
| AD8221BR |
| AD8221BR-REEL |
| AD8221BR-REEL7 |
| AD8221BRZ |
| AD8221BRZ-R7 |
| AD8221BRZ-RL |
| AD8221AC-P7 |
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