Overview
The AD7477ARTZ-REEL is a 10-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is notable for its high throughput and low power consumption, making it suitable for a variety of applications requiring efficient data acquisition. The AD7477 is packaged in a compact SOT-23-6 package, which is one of the first 10-bit ADCs available in such a small form factor.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 10 | Bits | |
| VDD | 2.7 to 5.25 | V | Minimum to Maximum |
| Conversion Time | 800 | ns | 16 SCLK cycles with SCLK at 20 MHz |
| Throughput Rate | 1 | MSPS | Maximum |
| Signal-to-(Noise + Distortion) (SINAD) | 61 | dB | fIN = 100 kHz sine wave, fSAMPLE = 1 MSPS |
| Total Harmonic Distortion (THD) | -73 | dB | Maximum |
| Aperture Delay | 10 | ns | Typical |
| Aperture Jitter | 30 | ps | Typical |
| Full Power Bandwidth | 6.5 | MHz | Typical at 3 dB |
| Integral Nonlinearity | ±1 | ||
| Output Low Voltage (VOL) | 0.4 | V | Maximum, ISINK = 200 μA |
| Digital Supply Current (IDD) | 2 to 3.5 | mA | Typical to Maximum, VDD = 2.7 V to 5.25 V |
Key Features
- High Throughput with Low Power Consumption: The AD7477 achieves high throughput rates while maintaining low power dissipation, making it efficient for various applications.
- Compact Packaging: Available in a SOT-23-6 package, one of the first 10-bit ADCs in such a small form factor.
- Flexible Power/Serial Clock Speed Management: The conversion rate is determined by the serial clock speed, allowing for reduced conversion time and lower average power consumption.
- Internal Reference: The reference voltage is taken internally from VDD, providing the widest dynamic input range from 0 V to VDD.
- No Pipeline Delays: The conversion process is initiated on the falling edge of the chip select (CS) signal, with no pipeline delays associated with the device.
Applications
- Data Acquisition Systems: Suitable for systems requiring high-speed data acquisition with low power consumption.
- Embedded Systems: Ideal for use in microprocessor or DSP-based systems due to its serial interface compatibility.
- Industrial Automation: Can be used in various industrial automation applications where precise and efficient analog-to-digital conversion is necessary.
- Medical Devices: Applicable in medical devices that require accurate and low-power ADCs.
Q & A
- What is the resolution of the AD7477ARTZ-REEL?
The AD7477ARTZ-REEL has a resolution of 10 bits.
- What is the operating voltage range of the AD7477ARTZ-REEL?
The operating voltage range is from 2.7 V to 5.25 V.
- What is the maximum throughput rate of the AD7477ARTZ-REEL?
The maximum throughput rate is 1 MSPS.
- What is the typical aperture delay of the AD7477ARTZ-REEL?
The typical aperture delay is 10 ns.
- Does the AD7477ARTZ-REEL have internal pipeline delays?
No, the AD7477ARTZ-REEL does not have pipeline delays associated with it.
- How is the conversion rate controlled in the AD7477ARTZ-REEL?
The conversion rate is determined by the serial clock speed.
- What is the typical power consumption of the AD7477ARTZ-REEL?
The typical power consumption is 2 mA to 3.5 mA, depending on the operating conditions.
- What is the package type of the AD7477ARTZ-REEL?
The AD7477ARTZ-REEL is packaged in a SOT-23-6 package.
- Is the AD7477ARTZ-REEL RoHS compliant?
- What is the full power bandwidth of the AD7477ARTZ-REEL?
The full power bandwidth is typically 6.5 MHz at 3 dB.
