Overview
The AD7396ARZ-REEL, produced by Analog Devices Inc., is a dual, 12-bit voltage-output digital-to-analog converter (DAC) designed for low power consumption and high performance. This device operates from a single supply voltage ranging from +2.7 V to +5.5 V, making it ideal for battery-operated applications. The AD7396 features a high-input-resistance reference input, allowing for a full 0 to VDD DAC output swing. It is part of the AD7396/AD7397 series, which includes both 12-bit and 10-bit versions, offering flexibility in resolution for various applications.
Key Specifications
| Parameter | Symbol | Conditions | Units | Typical/Max Values |
|---|---|---|---|---|
| Resolution | N | - | Bits | 12 |
| Supply Voltage Range | VDD | - | V | +2.7 V to +5.5 V |
| Relative Accuracy (INL) | INL | TA = +25°C | LSB | ±1.75 |
| Differential Nonlinearity (DNL) | DNL | - | LSB | ±1 |
| Write Time | tWR | - | ns | 45 |
| Settling Time | tS | To ±0.1% of Full Scale | µs | 70 |
| Shutdown Current | ISD | - | µA | 0.1 (typical) |
| Operating Temperature Range | TA | - | °C | -40°C to +85°C |
| Package Type | - | - | - | 24-Lead SOIC (Wide) |
Key Features
- Low Power Consumption: Operates from a single supply voltage of +2.7 V to +5.5 V, making it suitable for battery-operated applications.
- High-Input-Resistance Reference Inputs: Allows for a full 0 to VDD DAC output swing by tying VREF to VDD.
- Fast Interface: 12-bit wide latch with a 45 ns write time, enabling interface with fast processors without wait states.
- Double-Buffered Input Structure: Allows pre-loading of input registers one at a time, with a single load strobe updating both DAC outputs simultaneously.
- Power Shutdown: Controlled by the active low SHDN pin, reducing power to sub-microamp levels.
- Compact Packaging: Available in 24-lead SOIC and TSSOP packages, including a thin 1.1mm height TSSOP for ultra-compact applications.
Applications
- Automotive Sensor Voltage Generation and Calibration: Ideal for automotive applications requiring precise voltage control.
- Portable Communications: Suitable for use in portable communication devices due to its low power consumption.
- PC Peripherals: Used in various PC peripherals that require digital-to-analog conversion.
- Digitally Controlled Calibration: Useful in applications requiring precise digital control over analog outputs.
Q & A
- What is the resolution of the AD7396ARZ-REEL?
The AD7396ARZ-REEL has a resolution of 12 bits.
- What is the operating supply voltage range of the AD7396ARZ-REEL?
The device operates from a single supply voltage ranging from +2.7 V to +5.5 V.
- What is the typical write time for the AD7396ARZ-REEL?
The typical write time is 45 ns.
- How does the power shutdown feature work on the AD7396ARZ-REEL?
The power shutdown is controlled by the active low SHDN pin, reducing power to sub-microamp levels.
- What are the primary applications of the AD7396ARZ-REEL?
Primary applications include automotive sensor voltage generation and calibration, portable communications, PC peripherals, and digitally controlled calibration.
- What is the operating temperature range of the AD7396ARZ-REEL?
The device is specified for operation over the extended industrial temperature range of -40°C to +85°C.
- What package types are available for the AD7396ARZ-REEL?
The device is available in 24-lead SOIC and TSSOP packages.
- Can the AD7396ARZ-REEL be used in battery-operated applications?
Yes, it is ideal for battery-operated applications due to its low power consumption.
- How does the double-buffered input structure of the AD7396ARZ-REEL work?
The double-buffered input structure allows pre-loading of input registers one at a time, with a single load strobe updating both DAC outputs simultaneously.
- What is the settling time of the AD7396ARZ-REEL?
The settling time to ±0.1% of full scale is typically 70 µs.
