Overview
The AD7829BN is a high-speed, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This microprocessor-compatible ADC is designed for high-throughput applications, offering a maximum sampling rate of 2 million samples per second (MSPS). The device features an on-chip track-and-hold amplifier, a half-flash ADC architecture, and an integrated reference voltage source. It is available in various package types, including 28-lead PDIP, SOIC, and TSSOP, making it versatile for different design requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7829BN |
| Number of Bits | 8 |
| Number of Channels | 8 single-ended analog input channels |
| Sampling Rate | 2 MSPS |
| Conversion Time | 420 ns |
| Supply Voltage | 2.7 V to 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 |
| Package Type | 28-lead PDIP, SOIC, TSSOP |
| Reference Type | External, Internal (2.5 V) |
| Input Type | Single Ended |
| Data Interface | Parallel with EOC pulse |
Key Features
- High-speed 8-bit half-flash ADC with a conversion time of 420 ns
- On-chip track-and-hold amplifier and integrated 2.5 V reference voltage source
- Flexible parallel interface with End-of-Conversion (EOC) pulse for standalone operation
- Automatic power-down at the end of conversion to reduce power consumption
- Analog input span adjustment via the VMID pin
- Wide operating supply range: 3 V ± 10% and 5 V ± 10%
Applications
- Data acquisition systems
- DSP front ends
- Disk drives
- Mobile communication systems
- Subsampling applications
Q & A
- What is the maximum sampling rate of the AD7829BN?
The AD7829BN has a maximum sampling rate of 2 million samples per second (MSPS).
- How many analog input channels does the AD7829BN have?
The AD7829BN has 8 single-ended analog input channels.
- What is the conversion time of the AD7829BN?
The conversion time of the AD7829BN is 420 ns.
- What are the available package types for the AD7829BN?
The AD7829BN is available in 28-lead PDIP, SOIC, and TSSOP packages.
- What is the operating temperature range of the AD7829BN?
The operating temperature range of the AD7829BN is -40°C to +85°C.
- Does the AD7829BN have an integrated reference voltage source?
Yes, the AD7829BN has an integrated 2.5 V reference voltage source.
- What type of data interface does the AD7829BN use?
The AD7829BN uses a parallel data interface with an End-of-Conversion (EOC) pulse.
- Can the AD7829BN operate from a single supply voltage?
Yes, the AD7829BN can operate from a single supply voltage of 3 V ± 10% or 5 V ± 10%.
- What is the input range of the AD7829BN?
The input range of the AD7829BN is 0 V to 2 V p-p for a 3 V supply and 0 V to 2.5 V p-p for a 5 V supply.
- Does the AD7829BN support automatic power-down?
Yes, the AD7829BN supports automatic power-down at the end of conversion to reduce power consumption.
