Overview
The AD7685ACPZRL is a high-performance 16-bit Successive Approximation Register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This ADC is designed to offer excellent linearity, low power consumption, and high-speed serial interface capabilities. It is suitable for a wide range of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Throughput | 250 kSPS |
| Analog Input Type | Pseudo differential |
| Integral Nonlinearity (INL) | ±0.6 LSB typical, ±2 LSB maximum |
| Signal-to-Noise and Distortion Ratio (SINAD) | 93.5 dB at 20 kHz |
| Total Harmonic Distortion (THD) | −110 dB at 20 kHz |
| Supply Voltage | 2.3 V to 5.5 V |
| Logic Interface Voltage | 1.8 V to 5 V |
| Power Dissipation | 1.35 mW at 2.5 V/100 kSPS, 4 mW at 5 V/100 kSPS |
| Standby Current | 1 nA |
| Package | 10-lead MSOP or 10-lead LFCSP (3 mm × 3 mm) |
Key Features
- No missing codes
- Wide dynamic range
- Low power consumption
- Single-supply operation
- SPI-compatible serial interface with Daisy-Chain capability
- High-speed serial interface
- On-chip track-and-hold circuitry with no pipeline delay or latency
- Pin-for-pin-compatible with AD7686, AD7687, and AD7688
Applications
The AD7685ACPZRL is ideal for multiple multiplexed channel applications due to its on-chip track-and-hold and lack of pipeline delay or latency. It is suitable for various industrial, medical, and consumer electronics applications where high precision and low power consumption are critical.
Q & A
- What is the resolution of the AD7685ACPZRL?
The AD7685ACPZRL has a 16-bit resolution. - What is the throughput of the AD7685ACPZRL?
The throughput of the AD7685ACPZRL is 250 kSPS. - What type of analog input does the AD7685ACPZRL support?
The AD7685ACPZRL supports pseudo differential analog input. - What is the typical Integral Nonlinearity (INL) of the AD7685ACPZRL?
The typical INL is ±0.6 LSB, with a maximum of ±2 LSB. - What is the Signal-to-Noise and Distortion Ratio (SINAD) of the AD7685ACPZRL at 20 kHz?
The SINAD at 20 kHz is 93.5 dB. - What is the Total Harmonic Distortion (THD) of the AD7685ACPZRL at 20 kHz?
The THD at 20 kHz is −110 dB. - What is the supply voltage range for the AD7685ACPZRL?
The supply voltage range is from 2.3 V to 5.5 V. - What is the logic interface voltage range for the AD7685ACPZRL?
The logic interface voltage range is from 1.8 V to 5 V. - What are the power dissipation values for the AD7685ACPZRL?
The power dissipation is 1.35 mW at 2.5 V/100 kSPS and 4 mW at 5 V/100 kSPS. - What is the standby current of the AD7685ACPZRL?
The standby current is 1 nA.
