Overview
The AD7829BR-REEL is a high-speed, 8-channel, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7822/AD7825/AD7829 series, known for their microprocessor compatibility and fast conversion times. The AD7829BR-REEL is particularly suited for applications requiring multiple analog input channels and high throughput rates.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package Type | 28-Lead SOIC_W, 28-Lead TSSOP |
| Number of Bits | 8 |
| Number of A/D Converters | 1 |
| Number of Inputs | 8 single-ended analog input channels |
| Sampling Rate | 2 MSPS (Mega Samples Per Second) |
| Conversion Time | 420 ns |
| Supply Voltage | 2.7 V ~ 3.3 V, 5 V ± 10% |
| Input Range | 0 V to 2 V p-p (VDD = 3 V), 0 V to 2.5 V p-p (VDD = 5 V) |
| Operating Temperature | -40°C to +85°C |
| Reference Type | External, Internal (2.5 V on-chip reference) |
| Interface | Parallel with EOC (End of Conversion) pulse |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- High-speed 8-bit half-flash ADC with a conversion time of 420 ns.
- Eight single-ended analog input channels.
- On-chip track-and-hold amplifier and 2.5 V on-chip reference.
- Flexible parallel interface with EOC pulse for standalone operation.
- Automatic power-down at the end of conversion.
- Wide operating supply range: 3 V ± 10% and 5 V ± 10%.
- Input span adjustment via the VMID pin.
- SNR performance given for input frequencies up to 10 MHz.
Applications
- Data acquisition systems.
- DSP (Digital Signal Processing) front ends.
- Disk drives.
- Mobile communication systems, including subsampling applications.
Q & A
- What is the conversion time of the AD7829BR-REEL?
The conversion time is 420 ns.
- How many analog input channels does the AD7829BR-REEL have?
The AD7829BR-REEL has 8 single-ended analog input channels.
- What are the supply voltage ranges for the AD7829BR-REEL?
The supply voltage ranges are 2.7 V ~ 3.3 V and 5 V ± 10%.
- What is the operating temperature range of the AD7829BR-REEL?
The operating temperature range is -40°C to +85°C.
- Does the AD7829BR-REEL have an on-chip reference?
Yes, it has a 2.5 V on-chip reference.
- What type of interface does the AD7829BR-REEL use?
The AD7829BR-REEL uses a parallel interface with an EOC (End of Conversion) pulse.
- Is the AD7829BR-REEL RoHS compliant?
No, the AD7829BR-REEL contains lead and is RoHS non-compliant.
- What is the moisture sensitivity level (MSL) of the AD7829BR-REEL?
The MSL is 1 (Unlimited).
- What are some common applications of the AD7829BR-REEL?
Common applications include data acquisition systems, DSP front ends, disk drives, and mobile communication systems.
- Does the AD7829BR-REEL support automatic power-down?
Yes, it supports automatic power-down at the end of conversion.
