Overview
The AD7477AAKSZ-REEL 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 features throughput rates up to 1 MSPS. It is packaged in a 6-lead SC70 package, making it suitable for space-constrained applications. The ADC includes a low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 13 MHz. The conversion process and data acquisition are controlled using the chip select (CS) and serial clock (SCLK) signals, allowing for easy interface with microprocessors or digital signal processors (DSPs).
Key Specifications
| Parameter | Value | 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 | |
| Aperture Delay | 10 ns typ | ||
| Aperture Jitter | 30 ps typ | ||
| Full Power Bandwidth | 13.5 MHz typ | At 3 dB | |
| Operating Temperature Range | −40°C to +85°C | ||
| Power Supply Range | 2.35 V to 5.25 V | ||
| Standby Current | 1 µA max |
Key Features
- High throughput with low power consumption, achieving up to 1 MSPS conversion rate.
- Flexible power and serial clock speed management, allowing the conversion time to be reduced through increased serial clock speed.
- No pipeline delays, ensuring efficient data acquisition and conversion.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 13 MHz.
- Standby mode with a maximum current of 1 µA, ideal for battery-powered systems.
- Qualified for automotive applications and suitable for various other applications such as medical instruments, mobile communications, and data acquisition systems.
Applications
- Battery-powered systems: Ideal for applications where low power consumption is critical.
- Personal digital assistants: Suitable for handheld devices requiring high-speed data conversion.
- Medical instruments: Used in medical devices that require precise and fast analog-to-digital conversion.
- Mobile communications: Applicable in mobile communication systems for efficient data processing.
- Instrumentation and control systems: Utilized in various control and measurement systems due to its high accuracy and speed.
- Data acquisition systems: Suitable for high-speed data acquisition requirements.
- High-speed modems and optical sensors: Used in applications requiring fast and accurate analog-to-digital conversion.
Q & A
- What is the resolution of the AD7477AAKSZ-REEL ADC?
The AD7477AAKSZ-REEL has a resolution of 10 bits. - What is the operating temperature range of the AD7477AAKSZ-REEL?
The operating temperature range is −40°C to +85°C. - What is the maximum throughput rate of the AD7477AAKSZ-REEL?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7477AAKSZ-REEL?
The power supply range is 2.35 V to 5.25 V. - Is the AD7477AAKSZ-REEL compatible with automotive applications?
Yes, it is qualified for automotive applications. - What is the standby current of the AD7477AAKSZ-REEL?
The standby current is 1 µA maximum. - What type of package does the AD7477AAKSZ-REEL come in?
The AD7477AAKSZ-REEL comes in a 6-lead SC70 package. - What is the full power bandwidth of the AD7477AAKSZ-REEL?
The full power bandwidth is 13.5 MHz typical at 3 dB. - Does the AD7477AAKSZ-REEL have pipeline delays?
No, the AD7477AAKSZ-REEL does not have pipeline delays. - What types of interfaces is the AD7477AAKSZ-REEL compatible with?
The AD7477AAKSZ-REEL is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
