Overview
The MAX148BEAP+T 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 a variety of analog-to-digital conversion applications. It operates from a single supply voltage ranging from +2.7V to +5.25V and supports both unipolar and bipolar, as well as single-ended and differential analog input configurations.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 8 |
| Supply Voltage | +2.7V to +5.25V |
| Conversion Rate | Up to 133ksps |
| Input Configuration | Unipolar/Bipolar, Single-ended/Differential |
| Serial Interface | 4-wire SPI/QSPI/MICROWIRE compatible |
| 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 |
| Signal-to-Noise + Distortion (SINAD) | 66 dB |
| Total Harmonic Distortion (THD) | -70 dB (up to the 5th harmonic) |
| Spurious-Free Dynamic Range (SFDR) | 70 dB |
| Channel-to-Channel Crosstalk | -75 dB |
| Small-Signal Bandwidth | 2.25 MHz (-3dB rolloff) |
| Full-Power Bandwidth | 1.0 MHz |
Key Features
- High conversion speed with sampling rates up to 133ksps.
- Low power consumption.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- 4-wire serial interface compatible with SPI/QSPI/MICROWIRE without external logic.
- Serial-strobe output for direct connection to TMS320-family digital signal processors.
- Internal or external clock options for successive-approximation analog-to-digital conversions.
Applications
The MAX148BEAP+T is suitable for various applications requiring high-speed analog-to-digital conversion, such as:
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
Q & A
- What is the resolution of the MAX148BEAP+T?
The MAX148BEAP+T has a resolution of 10 bits. - How many analog input channels does the MAX148BEAP+T support?
The device supports 8 analog input channels. - What is the operating supply voltage range for the MAX148BEAP+T?
The device operates from a single supply voltage ranging from +2.7V to +5.25V. - What are the supported input configurations for the MAX148BEAP+T?
The device supports both unipolar and bipolar, as well as single-ended and differential analog input configurations. - What type of serial interface does the MAX148BEAP+T use?
The MAX148BEAP+T uses a 4-wire serial interface compatible with SPI/QSPI/MICROWIRE. - What is the maximum conversion rate of the MAX148BEAP+T?
The device can sample up to 133ksps. - Can the MAX148BEAP+T be used with external clocks?
Yes, the device can use either an internal clock or an external serial-interface clock. - What is the operating temperature range for the MAX148BEAP+T?
The operating temperature range varies by model: 0°C to +70°C (MAX148_C_P), -40°C to +85°C (MAX148_E_P), and -55°C to +125°C (MAX149BMAP). - What are some common applications for the MAX148BEAP+T?
The device is commonly used in data acquisition systems, industrial control systems, medical devices, aerospace and defense systems, and automotive systems. - How does the MAX148BEAP+T handle channel-to-channel crosstalk?
The device has a channel-to-channel crosstalk specification of -75 dB.
