Overview
The AD7933BRU-REEL7 is a high-performance, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-speed data acquisition and features a successive approximation register (SAR) architecture. It operates from a single supply voltage ranging from 2.7V to 5.25V, making it versatile for various applications. The AD7933BRU-REEL7 is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package) and supports a wide operating temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7933BRU-REEL7 |
| Resolution | 10 bits |
| Number of Analog Input Channels | 4 |
| Sampling Rate | 1.5 MSPS (Mega Samples Per Second) |
| Input Type | Differential, Pseudo-Differential, Single-Ended |
| Supply Voltage - Analog/Digital | 2.7V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 28-TSSOP (0.173", 4.40mm Width) |
| Integral Nonlinearity (INL) | 0.5 LSB |
| Signal to Noise Ratio (SNR) | 70 dB at 50 kHz input frequency |
| Reference Type | External, Internal |
| Ratio - S/H:ADC | 1:1 |
Key Features
- High-speed data acquisition with a throughput rate of 1.5 MSPS.
- Low power consumption: 6 mW maximum at 1.5 MSPS with 3 V supplies and 13.5 mW maximum at 1.5 MSPS with 5 V supplies.
- Software configurable analog inputs supporting 4 single-ended, 2 fully differential, and 2 pseudo-differential input channels.
- Accurate on-chip 2.5 V reference with ±0.2% maximum accuracy at 25°C and 25 ppm/°C maximum temperature drift.
- No pipeline delays and high-speed parallel interface in word/byte modes.
- Full shutdown mode with a maximum current of 2 μA.
- Successive approximation register (SAR) architecture.
Applications
- High-speed data acquisition systems.
- Industrial control and automation.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense applications where high reliability and precision are critical.
- Automotive systems, including engine control and safety systems.
Q & A
- What is the resolution of the AD7933BRU-REEL7 ADC?
The AD7933BRU-REEL7 has a resolution of 10 bits.
- What is the sampling rate of the AD7933BRU-REEL7?
The sampling rate is 1.5 MSPS (Mega Samples Per Second).
- What types of input channels does the AD7933BRU-REEL7 support?
The AD7933BRU-REEL7 supports differential, pseudo-differential, and single-ended input channels.
- What is the operating temperature range of the AD7933BRU-REEL7?
The operating temperature range is -40°C to 85°C.
- What is the package type of the AD7933BRU-REEL7?
The package type is 28-TSSOP (0.173", 4.40mm Width).
- What is the power consumption of the AD7933BRU-REEL7 at 3 V and 5 V supplies?
The power consumption is 6 mW maximum at 1.5 MSPS with 3 V supplies and 13.5 mW maximum at 1.5 MSPS with 5 V supplies.
- Does the AD7933BRU-REEL7 have an on-chip reference voltage?
Yes, it has an accurate on-chip 2.5 V reference with ±0.2% maximum accuracy at 25°C and 25 ppm/°C maximum temperature drift.
- What is the signal to noise ratio (SNR) of the AD7933BRU-REEL7?
The SNR is 70 dB at a 50 kHz input frequency.
- Does the AD7933BRU-REEL7 have a shutdown mode?
Yes, it has a full shutdown mode with a maximum current of 2 μA.
- What is the architecture of the AD7933BRU-REEL7 ADC?
The architecture is successive approximation register (SAR).
