Overview
The AD7477AARMZ is a 10-bit, high-speed, low-power successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single 2.35 V to 5.25 V power supply and is known for its high throughput rates of up to 1 MSPS. The AD7477A features a low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies exceeding 13 MHz. It is designed for applications requiring high speed and low power consumption, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Unit | Test Conditions/Comments |
|---|---|---|
| Resolution | 10 Bits | |
| Integral Nonlinearity | ±0.5 LSB max | |
| Signal-to-Noise-and-Distortion (SINAD) | 61 dB min | fIN = 100 kHz sine wave |
| Total Harmonic Distortion (THD) | −72 dB max | fIN = 100 kHz sine wave |
| Peak Harmonic or Spurious Noise (SFDR) | −73 dB max | fIN = 100 kHz sine wave |
| Intermodulation Distortion (IMD) | −82 dB typ | fa = 100.73 kHz, fb = 90.7 kHz |
| Aperture Delay | 10 ns typ | |
| Aperture Jitter | 30 ps typ | |
| Full Power Bandwidth | 13.5 MHz typ | At 3 dB |
| VDD Range | 2.35 V to 5.25 V | |
| Throughput Rate | Up to 1 MSPS | |
| Package Type | 8-Lead MSOP |
Key Features
- High throughput rates up to 1 MSPS with low power consumption.
- Flexible power and serial clock speed management.
- No pipeline delays, allowing for efficient data acquisition.
- High speed serial interface compatible with SPI/QSPI™/MICROWIRE/DSP.
- Standby mode with a maximum current of 1 µA.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies exceeding 13 MHz.
- Internal reference from VDD, providing a dynamic input range of 0 V to VDD.
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 AD7477A?
The AD7477A has a resolution of 10 bits.
- What is the operating voltage range of the AD7477A?
The AD7477A operates from a single 2.35 V to 5.25 V power supply.
- What is the maximum throughput rate of the AD7477A?
The maximum throughput rate of the AD7477A is up to 1 MSPS.
- What type of interface does the AD7477A support?
The AD7477A supports high speed serial interfaces compatible with SPI/QSPI™/MICROWIRE/DSP.
- What is the standby current of the AD7477A?
The standby current of the AD7477A is a maximum of 1 µA.
- What is the full power bandwidth of the AD7477A?
The full power bandwidth of the AD7477A is 13.5 MHz at 3 dB.
- What is the aperture delay of the AD7477A?
The aperture delay of the AD7477A is typically 10 ns.
- What is the package type of the AD7477A?
The AD7477A is available in an 8-Lead MSOP package.
- What are some common applications of the AD7477A?
The AD7477A is commonly used in battery-powered systems, personal digital assistants, medical instruments, mobile communications, instrumentation and control systems, data acquisition systems, high speed modems, and optical sensors.
- Does the AD7477A have any pipeline delays?
No, the AD7477A does not have any pipeline delays.
