Overview
The AD4681BCPZ-RL is a 16-bit, dual simultaneous sampling, high-speed, low-power successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a 3.0 V to 3.6 V power supply and features a throughput rate of 500 kSPS. It is designed for applications requiring high accuracy and low power consumption, making it suitable for a variety of industrial and automotive uses.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Throughput Rate | 500 kSPS |
| Power Supply | 3.0 V to 3.6 V |
| Analog Input Type | Differential |
| Common-Mode Input Voltage | VCM ± VREF/2 |
| Internal Reference | 2.5 V (10 ppm/°C) |
| External Reference Range | 2.5 V to 3.3 V |
| Package | 16-Lead LFCSP (3mm x 3mm x 0.75mm) |
| Operating Temperature | −40°C to +125°C |
| Logic Interface Compatibility | 1.8 V, 2.5 V, 3.3 V |
Key Features
- Dual simultaneous sampling SAR ADCs
- On-chip oversampling blocks to improve dynamic range and reduce noise
- Resolution boost function with up to 8× oversampling ratio (OSR)
- Integrated 2.5 V internal reference with 10 ppm/°C drift
- Option for external reference up to 3.3 V
- High speed serial interface
- Alert function for system monitoring
- Power-down options for power saving between conversions
Applications
- Motor control position feedback
- Motor control current sense
- Sonar applications
- Power quality monitoring
- Data acquisition systems
- Erbium doped fiber amplifier (EDFA) applications
- In-phase (I) and quadrature (Q) demodulation
Q & A
- What is the resolution of the AD4681BCPZ-RL ADC?
The AD4681BCPZ-RL has a resolution of 16 bits. - What is the throughput rate of the AD4681BCPZ-RL?
The throughput rate of the AD4681BCPZ-RL is 500 kSPS. - What is the power supply range for the AD4681BCPZ-RL?
The AD4681BCPZ-RL operates from a 3.0 V to 3.6 V power supply. - What type of analog input does the AD4681BCPZ-RL support?
The AD4681BCPZ-RL supports differential analog inputs. - What is the common-mode input voltage range for the AD4681BCPZ-RL?
The common-mode input voltage range is VCM ± VREF/2. - Does the AD4681BCPZ-RL have an internal reference?
Yes, the AD4681BCPZ-RL includes a 2.5 V internal reference with 10 ppm/°C drift. - Can the AD4681BCPZ-RL use an external reference?
Yes, an external reference up to 3.3 V can be used. - What is the package type and size of the AD4681BCPZ-RL?
The AD4681BCPZ-RL is packaged in a 16-Lead LFCSP (3mm x 3mm x 0.75mm). - What is the operating temperature range of the AD4681BCPZ-RL?
The operating temperature range is −40°C to +125°C. - Is the AD4681BCPZ-RL compatible with different logic interfaces?
Yes, it is compatible with 1.8 V, 2.5 V, and 3.3 V logic interfaces.
