Overview
The AD7381-4BCPZ is a 14-bit, quad, simultaneous sampling, high-speed, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a 3.0 V to 3.6 V power supply and features throughput rates up to 4 MSPS. It is designed for applications requiring high-speed data acquisition with low noise and high dynamic range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 14 | - | - | Bits |
| Throughput Conversion Rate (fSAMPLE) | - | - | 4 | MSPS |
| Analog Input Voltage Range (AINx+ - AINx-) | -VREF | - | +VREF | V |
| Absolute Input Voltage (AINx+, AINx-) | -0.1 VREF | - | +0.1 VREF | V |
| Power Supply Voltage (VCC) | 3.0 | - | 3.6 | V |
| Logic Supply Voltage (VLOGIC) | 1.65 | - | 3.6 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | 24-Lead LFCSP (4mm x 5mm w/ EP) | - |
Key Features
- Quad simultaneous sampling and conversion
- High throughput rate of up to 4 MSPS at 14-bit resolution
- Integrated oversampling block to increase dynamic range and reduce noise
- Differential analog inputs with wide common-mode range
- Small sampling capacitor reduces amplifier drive burden
- Buffered internal 2.5 V reference (10 ppm/°C) or external reference up to 3.3 V
- Compatible with 1.8 V, 2.5 V, and 3.3 V interfaces using separate logic supply
- Space-saving 24-lead LFCSP package
Applications
The AD7381-4BCPZ is suitable for various high-speed data acquisition applications, including:
- Industrial automation and control systems
- Medical imaging and diagnostic equipment
- Aerospace and defense systems
- High-speed data acquisition systems
- Test and measurement instruments
Q & A
- What is the resolution of the AD7381-4BCPZ ADC?
The AD7381-4BCPZ has a resolution of 14 bits.
- What is the maximum throughput rate of the AD7381-4BCPZ?
The maximum throughput rate is up to 4 MSPS.
- What type of analog inputs does the AD7381-4BCPZ support?
The device supports differential analog inputs with a wide common-mode range.
- Can the AD7381-4BCPZ use an external reference voltage?
- What is the operating temperature range of the AD7381-4BCPZ?
The operating temperature range is from -40°C to +125°C.
- What package type is the AD7381-4BCPZ available in?
The device is available in a 24-lead LFCSP package (4mm x 5mm w/ EP).
- Is the AD7381-4BCPZ compatible with different logic supply voltages?
- How does the integrated oversampling block benefit the AD7381-4BCPZ?
The integrated oversampling block increases the dynamic range and reduces noise, especially at lower bandwidths.
- What evaluation boards are available for the AD7381-4BCPZ?
The EVAL-AD7380-4FMCZ and EVAL-AD7383-4FMCZ evaluation boards can be used to evaluate the AD7381-4BCPZ.
- How can the conversion result be clocked out from the AD7381-4BCPZ?
The conversion result can be clocked out via 4-wire mode for faster throughput or via 1-wire serial mode for slower throughput.
