Overview
The AD1585ARTZ-REEL7, produced by Analog Devices Inc., is a 5.0 V micropower, precision series mode voltage reference. This component is part of the AD1582/AD1583/AD1584/AD1585 series, which are low-cost, low-power, and low-dropout precision band gap references. These devices are ideal for use in battery-powered 3 V or 5 V systems where minimizing power dissipation is crucial. The AD1585ARTZ-REEL7 is packaged in a compact 3-lead SOT-23 surface-mount package, making it versatile for various applications requiring stable voltage references.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (at 25°C) | 4.980 | 5.000 | 5.020 | V |
| Initial Accuracy Error (at 25°C) | -20 | - | 20 | mV |
| Output Voltage Temperature Drift | 40 | - | 100 | ppm/°C |
| Minimum Supply Headroom (VIN - VOUT) | 200 | - | 200 | mV |
| Load Regulation | - | - | - | - |
| Ripple Rejection (ΔVOUT/ΔVIN) | 80 | - | 80 | dB |
| Quiescent Current | - | - | 70 | μA |
| Short-Circuit Current to Ground | - | - | 15 | mA |
| Noise Voltage (at 25°C) | - | - | 50 | μV rms (10 Hz to 10 kHz) |
| Turn-On Settling Time to 0.1% | - | - | 100 | μs |
| Long-Term Stability | - | - | 100 | ppm/1000 hr |
| Temperature Range | -40 | - | 125 | °C |
Key Features
- Low quiescent current: 70 μA maximum
- Current output capability: ±5 mA
- Wide supply range: VIN = VOUT + 200 mV to 12 V
- Wideband noise (10 Hz to 10 kHz): 50 μV rms
- Specified temperature range: −40°C to +125°C
- Compact, surface-mount SOT-23 package
- Precision band gap reference with stable output voltages of 2.5 V, 3 V, 4.096 V, and 5 V
- Patented temperature drift curvature correction design techniques for minimized nonlinearities in the voltage output temperature characteristic
Applications
- Portable, battery-powered equipment: notebook computers, cellular phones, pagers, PDAs, GPS devices, and DMMs
- Computer workstations and video RAMDACs
- Smart industrial transmitters
- PCMCIA cards
- Automotive systems
- Hard disk drives
- 3 V/5 V, 8-bit/12-bit data converters
Q & A
- What is the maximum quiescent current of the AD1585ARTZ-REEL7?
The maximum quiescent current is 70 μA.
- What is the output voltage range of the AD1585ARTZ-REEL7?
The output voltage is 5.0 V.
- What is the minimum supply headroom required for the AD1585ARTZ-REEL7?
The minimum supply headroom is 200 mV.
- What is the temperature range for the AD1585ARTZ-REEL7?
The specified temperature range is −40°C to +125°C.
- What is the noise voltage specification for the AD1585ARTZ-REEL7?
The wideband noise (10 Hz to 10 kHz) is 50 μV rms.
- What is the load current capability of the AD1585ARTZ-REEL7?
The device can source or sink up to ±5 mA of load current.
- What package type is the AD1585ARTZ-REEL7 available in?
The device is packaged in a 3-lead SOT-23 surface-mount package.
- What are some typical applications for the AD1585ARTZ-REEL7?
Typical applications include portable battery-powered equipment, computer workstations, smart industrial transmitters, PCMCIA cards, automotive systems, and hard disk drives.
- How does the AD1585ARTZ-REEL7 achieve high temperature stability?
The device uses patented temperature drift curvature correction design techniques to minimize nonlinearities in the voltage output temperature characteristic.
- What external components are required for optimal performance of the AD1585ARTZ-REEL7?
Only two external components are required: a capacitor attached to the input and another to the output.
