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AD590JH
TO-52 (3-pin)
The AD590JH from Analog Devices is a 2-terminal integrated circuit temperature transducer producing 1uA/K output current in a TO-52 metal can for precision temperature measurement.
| Paquete | TO-52 (3-pin) |
The AD590JH from Analog Devices is a 2-terminal integrated circuit temperature transducer producing 1uA/K output current in a TO-52 metal can for precision temperature measurement.
The AD590JH is a 2-terminal temperature transducer from Analog Devices in TO-52 metal can (3-pin, pin 3 is substrate and not connected), producing a current proportional to absolute temperature: 1uA/K. At 0C (273.15K), the output is 273.15uA; at 25C (298.15K), 298.15uA; at 100C (373.15K), 373.15uA. The two-terminal current output simplifies wiring: a single wire pair carries both power and signal, and the output is immune to voltage drops over long cable runs (as long as the voltage across the device stays within 4-30V). The internal architecture uses a silicon bandgap reference with a PTAT (Proportional To Absolute Temperature) current output, achieved by matching two transistors with different emitter areas and forcing their collector currents to be proportional to absolute temperature. The J-grade accuracy is +/-2.0C at 25C and +/-3.0C over -55C to +150C. Calibration can be done at one temperature point: measure the output at a known temperature and apply an offset correction. The TO-52 metal can package provides excellent thermal coupling and long-term stability (0.1C/year drift). The supply voltage range (4-30V) allows operation from a simple resistor to +5V or +12V, with the output current measured as voltage across a precision resistor (e.g., 1k = 1mV/K). The -JH suffix specifies J-grade, TO-52. Applications include: cold-junction compensation for thermocouples, remote temperature sensing, and temperature-controlled ovens.
| Pin | Nombre | Tipo | Función |
|---|---|---|---|
| 1 | V+ | Potencia | Positive supply (4-30V, connects to current-sense resistor or virtual ground) |
| 2 | V- | Potencia | Negative supply or ground (connects to ground in single-supply) |
| Fabricante | Número de pieza | Paquete | Notas |
|---|---|---|---|
| Dispositivos analógicos | AD590JH | TO-52 | Same device, ADI brand |
| Dispositivos analógicos | AD590KH | TO-52 | K-grade, +/-0.5C accuracy (better than J-grade) |
| Dispositivos analógicos | AD592CN | SOIC-8 | IC form factor, +/-0.3C, ADI brand |
| Texas Instruments | TMP17FSZ | SOIC-8 | 1uA/K temp sensor, TI brand |
| Microchip | MCP9700AT-E/TT | SOT-23-3 | Voltage-output temp sensor, Microchip brand |
Marca:
Paquete:
Ciclo de carga: 3~7 días
El pedido mínimo es de 1
Marca:
Paquete:
Ciclo de carga: 3~7 días
El pedido mínimo es de 1
Marca:
Paquete:
Ciclo de carga: 3~7 días
El pedido mínimo es de 1
Marca:
Paquete:
Ciclo de carga: 3~7 días
El pedido mínimo es de 1
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