Overview
The REF193GSZ is a precision micropower, low dropout voltage (LDV) reference device produced by Analog Devices Inc. This device is part of the REF19x series, known for its high accuracy, low temperature coefficient, and minimal power consumption. The REF193GSZ provides a stable output voltage of 3.0V and operates from supplies as low as 100 mV above the output voltage, making it suitable for a wide range of applications, including those in the automotive and industrial sectors.
Key Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | - | - | 3.0 | - | V |
| Initial Accuracy | - | - | - | ±2 mV | - | mV |
| Temperature Coefficient | TCVO/°C | IOUT = 0 mA | 10 | 25 | ppm/°C | |
| Line Regulation | ΔVO/ΔVIN | 3.3 V ≤ VS ≤ 15 V, IOUT = 0 mA | 10 | 20 | ppm/V | |
| Load Regulation | ΔVO/ΔILOAD | VS = 5.0 V, 0 mA ≤ IOUT ≤ 25 mA | 10 | 20 | ppm/mA | |
| Dropout Voltage | VS - VO | VS = 3.8 V, ILOAD = 10 mA | - | 0.80 | V | |
| Supply Current | - | No load | - | 45 μA | - | μA |
| Sleep Mode Supply Current | - | No load | - | 15 μA | - | μA |
| Output Current | - | - | - | 30 mA | - | mA |
| Operating Temperature Range | - | - | -40°C | - | +85°C | °C |
Key Features
- Precision Output Voltage: The REF193GSZ provides a stable output voltage of 3.0V with high initial accuracy of ±2 mV.
- Low Dropout Voltage: Operates from supplies as low as 100 mV above the output voltage.
- Low Power Consumption: Consumes less than 45 μA of supply current and reduces to less than 15 μA in sleep mode.
- High Output Current: Capable of delivering up to 30 mA of output current.
- Low Temperature Coefficient: Features a temperature coefficient of 10 to 25 ppm/°C.
- Extended Temperature Range: Specified over the extended industrial temperature range of −40°C to +85°C.
- Sleep Mode: Output can be turned off and supply current reduced by applying a low TTL or CMOS level to the SLEEP pin.
Applications
The REF193GSZ is suitable for various applications requiring high precision and low power consumption, including:
- Automotive systems
- Industrial control systems
- Medical devices
- Telecommunications equipment
- High-precision measurement instruments
Q & A
- What is the output voltage of the REF193GSZ?
The output voltage of the REF193GSZ is 3.0V. - What is the initial accuracy of the REF193GSZ?
The initial accuracy of the REF193GSZ is ±2 mV. - What is the minimum supply voltage required for the REF193GSZ?
The REF193GSZ operates from supplies as low as 100 mV above the output voltage. - How much current does the REF193GSZ consume in normal operation?
The REF193GSZ consumes less than 45 μA of supply current. - What is the sleep mode current consumption of the REF193GSZ?
In sleep mode, the supply current is reduced to less than 15 μA. - What is the maximum output current of the REF193GSZ?
The REF193GSZ can deliver up to 30 mA of output current. - What is the temperature coefficient of the REF193GSZ?
The temperature coefficient of the REF193GSZ is 10 to 25 ppm/°C. - What is the operating temperature range of the REF193GSZ?
The operating temperature range of the REF193GSZ is −40°C to +85°C. - How do I enable sleep mode on the REF193GSZ?
Sleep mode is enabled by applying a low TTL or CMOS level to the SLEEP pin. - In what package types is the REF193GSZ available?
The REF193GSZ is available in an 8-lead SOIC package.
