Overview
The MAX148ACAP+ is a 10-bit data-acquisition system produced by Analog Devices Inc./Maxim Integrated. This device combines an 8-channel multiplexer, a high-bandwidth track/hold circuit, and a serial interface, making it suitable for various data acquisition and conversion applications. It operates from a single supply voltage ranging from +2.7V to +5.25V and supports high conversion speeds of up to 133ksps. The MAX148ACAP+ is designed for low power consumption and offers software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 8 |
| Supply Voltage | +2.7V to +5.25V |
| Sampling Rate | Up to 133ksps |
| Conversion Time | 5.5μs to 65μs (depending on clock mode) |
| Track/Hold Acquisition Time | 1.5μs |
| Aperture Delay | 30 ns |
| Aperture Jitter | < 50 ps |
| Signal-to-Noise + Distortion (SINAD) | 66 dB |
| Total Harmonic Distortion (THD) | -70 dB |
| Spurious-Free Dynamic Range (SFDR) | 70 dB |
| Operating Temperature Range | 0°C to +70°C (MAX148_C_P), -40°C to +85°C (MAX148_E_P), -55°C to +125°C (MAX149BMAP) |
| Storage Temperature Range | -60°C to +150°C |
Key Features
- Single-supply operation from +2.7V to +5.25V
- 8-channel multiplexer with software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- High-bandwidth track/hold circuit
- Serial interface compatible with SPI, QSPI, and MICROWIRE
- Low power consumption
- High conversion speed up to 133ksps
- Internal or external clock options
- Serial-strobe output for direct connection to TMS320-family digital signal processors
Applications
The MAX148ACAP+ is ideal for a variety of applications, including data acquisition systems, battery-powered devices, and other circuits with demanding power and space requirements. It is particularly suited for use in industrial control systems, medical devices, and automotive systems where high-speed and low-power analog-to-digital conversion is necessary.
Q & A
- What is the resolution of the MAX148ACAP+?
The MAX148ACAP+ has a resolution of 10 bits. - How many channels does the MAX148ACAP+ support?
The MAX148ACAP+ supports 8 channels. - What is the operating supply voltage range for the MAX148ACAP+?
The operating supply voltage range is from +2.7V to +5.25V. - What is the maximum sampling rate of the MAX148ACAP+?
The maximum sampling rate is up to 133ksps. - Can the MAX148ACAP+ operate with both internal and external clocks?
Yes, the MAX148ACAP+ can operate with both internal and external clocks. - What is the track/hold acquisition time of the MAX148ACAP+?
The track/hold acquisition time is 1.5μs. - Is the MAX148ACAP+ compatible with SPI, QSPI, and MICROWIRE interfaces?
Yes, the MAX148ACAP+ is compatible with SPI, QSPI, and MICROWIRE interfaces. - What are the operating temperature ranges for the MAX148ACAP+?
The operating temperature ranges are 0°C to +70°C (MAX148_C_P), -40°C to +85°C (MAX148_E_P), and -55°C to +125°C (MAX149BMAP). - What is the storage temperature range for the MAX148ACAP+?
The storage temperature range is -60°C to +150°C. - What are some typical applications for the MAX148ACAP+?
The MAX148ACAP+ is typically used in data acquisition systems, battery-powered devices, industrial control systems, medical devices, and automotive systems.
