Overview
The AD4630-24BBCZ-RL is a high-performance, 24-bit, dual-channel successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD4630-24 and AD4632-24 series, known for their unparalleled precision and versatility. The AD4630-24 operates at a throughput of 2 MSPS per channel, while the AD4632-24 operates at 500 kSPS per channel. Both models offer simultaneous sampling and are designed for applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Throughput | 2 MSPS (AD4630-24), 500 kSPS (AD4632-24) per channel |
| Integral Nonlinearity (INL) | ±0.9 ppm maximum from −40°C to +125°C |
| Signal-to-Noise Ratio (SNR) | 105.7 dB typical |
| Total Harmonic Distortion (THD) | −127 dB typical |
| Noise Spectral Density (NSD) | −166 dBFS/Hz typical |
| Power Consumption | 15 mW per channel at 2 MSPS, 5 mW per channel at 500 kSPS |
| Operating Temperature | −40°C to +125°C |
| Package | 64-Lead BGA (7 mm x 7 mm x 1.72 mm) |
| Analog Input Current | 0.4 nA during acquisition phase, 0.6 µA during conversion |
| Analog Input Capacitance | 60 pF during acquisition phase, 2 pF outside acquisition phase |
Key Features
- High performance with guaranteed maximum ±0.9 ppm INL and no missing codes at 24 bits.
- Low power consumption: 15 mW per channel at 2 MSPS and 5 mW per channel at 500 kSPS.
- Wide differential input and common-mode ranges, allowing full use of the voltage reference range without saturation.
- Internal precision reference buffer with low drift, easing voltage reference sharing.
- Block averaging filter with programmable decimation ratio to increase dynamic range up to 153 dB.
- Support for both single-ended and differential signals.
- Flexi-SPI serial peripheral interface for easy host processor and ADC integration.
- Integrated critical power supply and reference bypass capacitors in the 64-ball chip scale package ball grid array (CSP_BGA), reducing footprint and system component count.
Applications
The AD4630-24BBCZ-RL is suitable for various high-precision applications, including:
- Industrial process control and automation.
- Medical devices requiring high accuracy and low noise.
- Aerospace and defense systems where reliability and precision are critical.
- Test and measurement equipment.
- High-end audio and professional audio systems.
Q & A
- What is the resolution of the AD4630-24BBCZ-RL ADC? The AD4630-24BBCZ-RL has a resolution of 24 bits.
- What are the throughput rates of the AD4630-24 and AD4632-24? The AD4630-24 operates at 2 MSPS per channel, while the AD4632-24 operates at 500 kSPS per channel.
- What is the maximum INL of the AD4630-24BBCZ-RL? The maximum INL is ±0.9 ppm from −40°C to +125°C.
- What is the typical SNR of the AD4630-24BBCZ-RL? The typical SNR is 105.7 dB.
- How much power does the AD4630-24BBCZ-RL consume? It consumes 15 mW per channel at 2 MSPS and 5 mW per channel at 500 kSPS.
- What is the operating temperature range of the AD4630-24BBCZ-RL? The operating temperature range is −40°C to +125°C.
- What type of package does the AD4630-24BBCZ-RL come in? It comes in a 64-Lead BGA (7 mm x 7 mm x 1.72 mm) package.
- Does the AD4630-24BBCZ-RL support both single-ended and differential signals? Yes, it supports both single-ended and differential signals.
- What interface does the AD4630-24BBCZ-RL use for host processor integration? It uses the Flexi-SPI serial peripheral interface.
- What is the benefit of the integrated power supply and reference bypass capacitors in the AD4630-24BBCZ-RL? The integration reduces the footprint and system component count, and lessens sensitivity to board layout.
