| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | MSOP-8 |
| Supply Current | 250 µA |
| Number of Positions | 8 Position |
| Gain Bandwidth Product | 30 kHz |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Accuracy | 1℃ (Max) |
| Supply Voltage (Max) | 36 V |
| Supply Voltage (Min) | 2.7 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 3.2 mm |
| Size-Width | 3.2 mm |
| Size-Height | 0.95 mm |
| Operating Temperature | 0℃ ~ 50℃ |
The AD8494CRMZ is a precision Instrumentation Amplifier with thermocouple cold junction compensators on an integrated circuit. They produce a high level (5mV/°C) output directly from a thermocouple signal by combining an ice point reference with a pre-calibrated amplifier. The device is pre-calibrated by laser wafer trimming to match the characteristics of J type (iron-constantan) thermocouples. The device can be powered from a single-ended supply (less than 3V) and can measure temperatures below 0°C by offsetting the reference input. To minimize self-heating, an unloaded device typically operates with a total supply current of 180µA, but it is also capable of delivering in excess of ±5mA to a load. With a 5V single supply, the 5mV/°C output allows the devices to cover nearly 1000 degrees of a thermocouple"s temperature range.
● High impedance differential input
● Standalone 5mV/°C Thermometer
● Reference pin allows offset adjustment
● Thermocouple break detection
● Laser wafer trimmed to 1°C initial accuracy and 0.025°C/°C ambient temperature rejection
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