The **ADR3450ARJZ-R2** is a high-precision, low-power, CMOS voltage reference manufactured by Analog Devices. It is specifically designed to provide a stable 5.0V output for high-resolution data converters and precision measurement systems. --- ### ## Technical Specifications Below are the primary electrical characteristics of the ADR3450: | Parameter | Specification | | :--- | :--- | | **Output Voltage ($V_{out}$)** | 5.0 V | | **Input Voltage Range** | 5.1 V to 5.5 V | | **Initial Accuracy** | ±0.1% (max) | | **Temperature Coefficient** | 8 ppm/°C (max) | | **Quiescent Current** | 100 µA (max) | | **Output Noise (0.1 Hz to 10 Hz)** | 25 µV p-p | | **Operating Temperature Range** | -40°C to +125°C | | **Package Type** | SOT-23-6 (indicated by the "RJ" suffix) | --- ### ## Key Features 1. **Low Drift:** With a maximum temperature coefficient of 8 ppm/°C, the output remains highly stable even as the ambient temperature changes. 2. **Low Power Consumption:** The device operates with a very low quiescent current (under 100 µA), making it ideal for battery-operated portable equipment. 3. **No External Capacitor Required:** Unlike many references, the ADR3450 is stable without an output capacitor, though one can be added to reduce noise. 4. **High Output Current:** It can source up to 10 mA and sink up to 3 mA, providing versatility for various load requirements. --- ### ## Pin Configuration (SOT-23-6) | Pin No. | Mnemonic | Description | | :--- | :--- | :--- | | 1 | TP | Test Point (Do not connect) | | 2 | GND | Ground | | 3 | NC | No Connect | | 4 | $V_{in}$ | Input Voltage | | 5 | NC | No Connect | | 6 | $V_{out}$ | Reference Output Voltage | --- ### ## Typical Applications * **Precision Data Acquisition:** Providing the reference voltage for 12-bit to 16-bit ADCs and DACs. * **Portable Instrumentation:** Due to its low power footprint. * **Industrial Process Control:** Used in PLC modules and sensor transmitters. * **Automotive Systems:** Stable performance over a wide temperature range. --- ### ## Part Number Breakdown ```text ADR3450 ARJZ - R2 | | | | | | | | | +-- 7" Reel (250 units) | | | +------- RoHS Compliant | | +--------- Package (SOT-23) | +-------------- Output Voltage (5.0V) +------------------ Series Family ```