Overview
The AD1585BRTZ-REEL7 is a precision voltage reference IC produced by Analog Devices Inc. This device is part of the AD1582/AD1583/AD1584/AD1585 series, known for their high accuracy, low power consumption, and robust temperature stability. The AD1585BRTZ-REEL7 specifically provides a stable 5V output voltage, making it ideal for applications requiring precise voltage referencing in various electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| OUTPUT VOLTAGE (at 25°C) | 4.950 | 5.000 | 5.050 | V |
| INITIAL ACCURACY ERROR (at 25°C) | −50 | −5 | +50 | mV |
| OUTPUT VOLTAGE TEMPERATURE DRIFT | 100 | 50 | ppm/°C | |
| MINIMUM SUPPLY HEADROOM (VIN − VOUT) | 200 | 200 | mV | |
| QUIESCENT CURRENT | 70 | 70 | µA | |
| LOAD REGULATION | ||||
| SHORT-CIRCUIT CURRENT TO GROUND | 15 | 15 | mA | |
| NOISE VOLTAGE (at 25°C) | 70 | 50 | µV p-p (0.1 Hz to 10 Hz), µV rms (10 Hz to 10 kHz) | |
| TURN-ON SETTLING TIME TO 0.1% | 100 | 100 | µs | |
| LONG-TERM STABILITY | 100 | 100 | ppm/1000 hr | |
| OUTPUT VOLTAGE HYSTERESIS | 115 | 115 | ppm | |
| TEMPERATURE RANGE | −40 | +125 | °C |
Key Features
- Series Reference: Provides stable output voltages of 5V.
- Low Quiescent Current: Maximum 70 µA, with only 1.0 µA/V variation with supply voltage.
- Current Output Capability: Sources or sinks up to 5 mA of load current.
- Wide Supply Range: Operates with VIN = VOUT + 200 mV to 12 V.
- Low Dropout: Requires only 200 mV of headroom supply.
- High Accuracy and Temperature Stability: Achieved through precise matching and thermal tracking of on-chip components and patented temperature drift curvature correction design techniques.
- Compact Packaging: Available in SOT-23, 3-lead surface-mount package.
- Low Noise: Wideband noise (10 Hz to 10 kHz) is 50 µV rms.
Applications
The AD1585BRTZ-REEL7 is suitable for various applications where precise voltage referencing is crucial, including:
- Battery-Powered Systems: Ideal for 5V systems with wide variations in supply voltage and a need to minimize power dissipation.
- Data Acquisition Systems: High accuracy and low temperature coefficient make it suitable for data acquisition components and systems.
Can be used in any circuit requiring a stable 5V reference voltage.
Q & A
- What is the output voltage of the AD1585BRTZ-REEL7?
The output voltage is 5V with an initial accuracy error of ±50 mV at 25°C.
- What is the quiescent current of the AD1585BRTZ-REEL7?
The quiescent current is a maximum of 70 µA with a variation of 1.0 µA/V with supply voltage.
- What is the load current capability of the AD1585BRTZ-REEL7?
The device can source or sink up to 5 mA of load current.
- What is the minimum supply headroom required for the AD1585BRTZ-REEL7?
The minimum supply headroom required is 200 mV.
- How does the AD1585BRTZ-REEL7 achieve high temperature stability?
High temperature stability is achieved through precise matching and thermal tracking of on-chip components and patented temperature drift curvature correction design techniques.
- What is the noise performance of the AD1585BRTZ-REEL7?
The wideband noise (10 Hz to 10 kHz) is 50 µV rms.
- What is the turn-on settling time of the AD1585BRTZ-REEL7?
The turn-on settling time to 0.1% is 100 µs.
- What is the long-term stability of the AD1585BRTZ-REEL7?
The long-term stability is 100 ppm/1000 hours at 25°C.
- What is the operating temperature range of the AD1585BRTZ-REEL7?
The operating temperature range is from −40°C to +125°C.
- What kind of packaging does the AD1585BRTZ-REEL7 come in?
The device is packaged in a compact SOT-23, 3-lead surface-mount package.
