Overview
The AD5312WARMZ-REEL7 is a dual 10-bit buffered digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD5312 series and is specifically designed for automotive applications, meeting the AEC-Q100 standards. It operates from a single 2.5 V to 5.5 V power supply and is packaged in a 10-lead MSOP (Micro Small Outline Package). The device is known for its low power consumption and high accuracy, making it suitable for a variety of applications requiring precise analog output.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 10 bits | ||||
| Integral Nonlinearity (INL) | ±4 LSB (A version) | ±2 LSB (B version) | LSB | ||
| Power Supply | 2.5 V | 5.5 V | V | ||
| Current Consumption | 230 μA @ 3 V | μA | Including reference current | ||
| Power-Down Current | 200 nA @ 5 V | 50 nA @ 3 V | nA | ||
| Output Voltage Range | 0 V | VREF | V | ||
| Slew Rate | 0.7 V/μs | V/μs | |||
| Output Voltage Settling Time | 7 μs | 9 μs | μs | ¼ Scale to ¾ Scale Change | |
| Serial Interface Clock Rate | Up to 30 MHz | MHz | |||
Key Features
- Dual 10-bit buffered DACs in a single package
- Low power consumption: 230 μA at 3 V, power-down to 200 nA at 5 V and 50 nA at 3 V
- Guaranteed monotonic by design over all codes
- Buffered/Unbuffered reference input options
- On-chip rail-to-rail output buffer amplifiers
- Simultaneous update of DAC outputs via LDAC pin
- Low power serial interface with Schmitt-triggered inputs, compatible with SPI, QSPI, etc.
- Qualified for automotive applications, meeting AEC-Q100 standards
Applications
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Programmable attenuators
- Automotive systems requiring high precision and reliability
Q & A
- What is the resolution of the AD5312WARMZ-REEL7 DAC?
The AD5312WARMZ-REEL7 has a resolution of 10 bits. - What is the power supply range for this DAC?
The power supply range is from 2.5 V to 5.5 V. - How much current does the AD5312WARMZ-REEL7 consume at 3 V?
The current consumption is approximately 230 μA at 3 V. - What is the output voltage range of the AD5312WARMZ-REEL7?
The output voltage range is from 0 V to VREF. - What is the slew rate of the output amplifiers?
The slew rate is 0.7 V/μs. - Can the AD5312WARMZ-REEL7 be used in automotive applications?
Yes, it is qualified for automotive applications and meets the AEC-Q100 standards. - What is the maximum clock rate for the serial interface?
The serial interface can operate at clock rates up to 30 MHz. - How does the LDAC pin function?
The LDAC pin allows for the simultaneous update of both DAC outputs by transferring the contents of the input registers to their respective DAC registers. - What are the package and pin count of the AD5312WARMZ-REEL7?
The component is packaged in a 10-lead MSOP. - Is the AD5312WARMZ-REEL7 guaranteed to be monotonic?
Yes, it is guaranteed to be monotonic by design over all codes.
