Overview
The AD7764BRUZ-REEL7 is a high-performance, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to offer wide input bandwidth, high speed, and excellent performance, making it ideal for high-speed data acquisition of both AC and DC signals. The AD7764 combines a dynamic range of 109 dB at a 312.5 kHz output data rate, simplifying the design process by easing front-end antialias filtering requirements.
Key Specifications
| Specification | Value |
|---|---|
| Part Number | AD7764BRUZ-REEL7 |
| Manufacturer | Analog Devices Inc. |
| Description | IC ADC 24BIT S/D 312KSPS 28TSSOP |
| Package / Case | 28-TSSOP (4.4mm x 9.7mm) |
| Number of Bits | 24 |
| Sampling Rate (Per Second) | 312 kSPS |
| Reference Type | External |
| Voltage - Supply, Digital | 2.5V |
| Voltage - Supply, Analog | 2.5V, 5V |
| Input Type | Differential |
| Operating Temperature | -40°C ~ 85°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Fully differential modulator input and on-chip differential amplifier for signal buffering and level shifting.
- Integrated buffer to drive the reference voltage.
- Full band, low-pass, finite impulse response (FIR) filter to prevent aliasing.
- Overrange alert pin to indicate when the input signal exceeds the acceptable range.
- Internal gain and overrange registers for enhanced functionality.
- Low power mode to reduce power dissipation without compromising performance.
- Flexible serial peripheral interface (SPI) for data communication.
- Pin-selectable decimation rates of 64×, 128×, and 256×.
- Synchronization of multiple devices via the SYNC pin and daisy chaining capability.
Applications
- Data acquisition systems: Ideal for high-speed data acquisition of AC and DC signals.
- Vibration analysis: Suitable for applications requiring precise measurement of vibrational signals.
- Instrumentation: Used in various instrumentation applications where high accuracy and dynamic range are necessary.
Q & A
- What is the resolution of the AD7764BRUZ-REEL7 ADC?
The AD7764BRUZ-REEL7 is a 24-bit analog-to-digital converter.
- What is the sampling rate of the AD7764BRUZ-REEL7?
The sampling rate of the AD7764BRUZ-REEL7 is up to 312 kSPS.
- What type of input does the AD7764BRUZ-REEL7 support?
The AD7764BRUZ-REEL7 supports differential inputs.
- What is the operating temperature range of the AD7764BRUZ-REEL7?
The operating temperature range is -40°C to +85°C.
- Is the AD7764BRUZ-REEL7 RoHS compliant?
Yes, the AD7764BRUZ-REEL7 is lead-free and RoHS compliant.
- What is the package type of the AD7764BRUZ-REEL7?
The AD7764BRUZ-REEL7 is available in a 28-lead TSSOP package.
- Does the AD7764BRUZ-REEL7 have an integrated FIR filter?
Yes, the AD7764BRUZ-REEL7 features a full band, low-pass, finite impulse response (FIR) filter.
- Can the AD7764BRUZ-REEL7 be synchronized with multiple devices?
Yes, the AD7764BRUZ-REEL7 supports synchronization of multiple devices via the SYNC pin and daisy chaining.
- What is the dynamic range of the AD7764BRUZ-REEL7?
The dynamic range of the AD7764BRUZ-REEL7 is 109 dB.
- Does the AD7764BRUZ-REEL7 have a low power mode?
Yes, the AD7764BRUZ-REEL7 has a low power mode to reduce power dissipation without compromising performance.
