Overview
The AD7298BCPZ, produced by Analog Devices Inc., is a 12-bit, high-speed, low-power, 8-channel successive approximation analog-to-digital converter (ADC) with an integrated temperature sensor. This device operates from a single 3.3 V power supply and is capable of throughput rates up to 1 million samples per second (MSPS). It features a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies exceeding 30 MHz. The AD7298BCPZ is housed in a 20-lead Lead Frame Chip Scale Package (LFCSP) and is designed for applications requiring high accuracy and low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 8 single-ended input channels |
| Throughput Rate | Up to 1 MSPS |
| Supply Voltage | 2.8 V to 3.6 V |
| Power Consumption | Low power dissipation |
| Temperature Sensor Accuracy | 0.25°C resolution |
| Interface | 4-wire serial interface compatible with SPI and DSP standards |
| Package Type | 20-lead LFCSP (4mm x 4mm with EP) |
| Operating Temperature Range | -40°C to +125°C |
Key Features
- Programmable sequencer for selecting a pre-programmable sequence of channels for conversion
- On-chip 2.5 V reference that can be disabled to allow the use of an external reference
- High accuracy band gap temperature sensor with 0.25°C resolution
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 30 MHz
- Flexible power/throughput rate management options
- Internal power-on reset and power-down current of less than 10 μA
Applications
- Industrial automation and control systems
- Medical devices requiring high accuracy and low power consumption
- Aerospace and defense applications where high-speed data acquisition is necessary
- Automotive systems, especially those requiring temperature monitoring and high-speed ADCs
- Test and measurement equipment
Q & A
- What is the resolution of the AD7298BCPZ ADC?
The AD7298BCPZ has a 12-bit resolution.
- How many input channels does the AD7298BCPZ have?
The device has 8 single-ended input channels.
- What is the maximum throughput rate of the AD7298BCPZ?
The maximum throughput rate is up to 1 MSPS.
- What is the operating supply voltage range for the AD7298BCPZ?
The device operates from a supply voltage of 2.8 V to 3.6 V.
- Does the AD7298BCPZ have an internal temperature sensor?
Yes, it includes a high accuracy band gap temperature sensor with 0.25°C resolution.
- What type of interface does the AD7298BCPZ use?
The device uses a 4-wire serial interface compatible with SPI and DSP standards.
- What is the package type of the AD7298BCPZ?
The device is housed in a 20-lead LFCSP (4mm x 4mm with EP).
- What is the operating temperature range of the AD7298BCPZ?
The operating temperature range is -40°C to +125°C.
- Can the internal reference of the AD7298BCPZ be disabled?
Yes, the internal 2.5 V reference can be disabled to allow the use of an external reference.
- What is the power-down current of the AD7298BCPZ?
The power-down current is less than 10 μA.
