Overview
The AD7477AWARMZ is a 10-bit high-speed, low-power successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 2.35 V to 5.25 V power supply and features throughput rates up to 1 MSPS. It is designed for applications requiring high speed and low power consumption, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| VDD | 2.35 V to 5.25 V | V | |
| Resolution | 10 Bits | ||
| Throughput Rate | Up to 1 MSPS | Samples per second | fSCLK = 20 MHz, fSAMPLE = 1 MSPS |
| Signal-to-Noise-and-Distortion (SINAD) | 61 dB min | dB | fIN = 100 kHz sine wave |
| Total Harmonic Distortion (THD) | -72 dB max | dB | fIN = 100 kHz sine wave |
| Peak Harmonic or Spurious Noise (SFDR) | -73 dB max | dB | fIN = 100 kHz sine wave |
| Aperture Delay | 10 ns typ | ns | |
| Aperture Jitter | 30 ps typ | ps | |
| Full Power Bandwidth | 13.5 MHz typ at 3 dB, 2 MHz typ at 0.1 dB | MHz | |
| Integral Nonlinearity | ±0.5 LSB max | LSB | |
| Standby Current | 1 µA maximum | µA | Standby mode |
| Package | 8-lead MSOP |
Key Features
- High throughput with low power consumption, achieving up to 1 MSPS conversion rate.
- Flexible power and serial clock speed management, allowing for adjustable conversion times.
- No pipeline delays, ensuring efficient data acquisition and conversion.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 13 MHz.
- High speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Standby mode with a maximum current of 1 µA.
- Qualified for automotive applications.
Applications
- Battery-powered systems.
- Personal digital assistants.
- Medical instruments.
- Mobile communications.
- Instrumentation and control systems.
- Data acquisition systems.
- High speed modems.
- Optical sensors.
Q & A
- What is the resolution of the AD7477AWARMZ ADC?
The AD7477AWARMZ has a resolution of 10 bits.
- What is the maximum throughput rate of the AD7477AWARMZ?
The maximum throughput rate is up to 1 MSPS.
- What is the power supply range for the AD7477AWARMZ?
The device operates from a single 2.35 V to 5.25 V power supply.
- What is the standby current of the AD7477AWARMZ?
The standby current is 1 µA maximum.
- Is the AD7477AWARMZ compatible with automotive applications?
- What types of interfaces does the AD7477AWARMZ support?
The device supports high speed serial interfaces compatible with SPI, QSPI, MICROWIRE, and DSP.
- What is the full power bandwidth of the AD7477AWARMZ?
The full power bandwidth is 13.5 MHz typ at 3 dB and 2 MHz typ at 0.1 dB.
- Does the AD7477AWARMZ have pipeline delays?
No, the AD7477AWARMZ does not have pipeline delays.
- What is the package type of the AD7477AWARMZ?
The device is packaged in an 8-lead MSOP.
- What are some common applications of the AD7477AWARMZ?
Common applications include battery-powered systems, medical instruments, mobile communications, and data acquisition systems.
