Overview
The MAX1248BCPE+ is a 10-bit, low-power, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1248/MAX1249 family and is designed for high-performance data acquisition applications. It operates from a single +2.7V to +5.25V supply and features software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation. The MAX1248BCPE+ is ideal for applications requiring low power consumption, high conversion speed, and a compact form factor.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 10 |
| Sampling Rate | Up to 133ksps |
| Number of Inputs | 4 (single-ended), 2 (differential) |
| Input Type | Differential, Single Ended |
| Data Interface | SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire Serial Interface |
| Supply Voltage | +2.7V to +5.25V |
| Power Consumption | 1.2mA (133ksps, +3V supply), 54µA (1ksps, +3V supply), 1µA (power-down mode) |
| Operating Temperature Range | 0°C to +70°C (MAX1248_C_E), -40°C to +85°C (MAX1248_E_E), -55°C to +125°C (MAX1248_MJE) |
| Package Type | 16-pin DIP, QSOP |
Key Features
- 4-channel single-ended or 2-channel differential inputs
- Single +2.7V to +5.25V operation
- Internal 2.5V reference (MAX1248)
- Low power consumption: 1.2mA (133ksps, +3V supply), 54µA (1ksps, +3V supply), 1µA (power-down mode)
- SPI/QSPI/MICROWIRE/TMS320-compatible 4-wire serial interface
- Software-selectable power-down and automatic shutdown at the end of a conversion
- Quick turn-on time and low supply current in power-down mode
Applications
- Portable Data Logging
- Data Acquisition
- Medical Instruments
- Battery-Powered Instruments
- Pen Digitizers
- System Supervision
Q & A
- What is the resolution of the MAX1248BCPE+ ADC?
The MAX1248BCPE+ is a 10-bit analog-to-digital converter. - What is the sampling rate of the MAX1248BCPE+?
The sampling rate can be up to 133ksps. - How many input channels does the MAX1248BCPE+ have?
The device has 4 single-ended or 2 differential input channels. - What type of data interface does the MAX1248BCPE+ use?
The device uses an SPI/QSPI/MICROWIRE/TMS320-compatible 4-wire serial interface. - What is the operating voltage range of the MAX1248BCPE+?
The device operates from a single +2.7V to +5.25V supply. - How does the MAX1248BCPE+ manage power consumption?
The device features low power consumption with options for software-selectable power-down and automatic shutdown at the end of a conversion. - What are the package options for the MAX1248BCPE+?
The device is available in 16-pin DIP and QSOP packages. - What are some typical applications for the MAX1248BCPE+?
Typical applications include portable data logging, data acquisition, medical instruments, battery-powered instruments, pen digitizers, and system supervision. - Does the MAX1248BCPE+ have an internal reference voltage?
Yes, the MAX1248 has an internal 2.5V reference. - How does the MAX1248BCPE+ handle temperature variations?
The device is available in various temperature ranges: 0°C to +70°C, -40°C to +85°C, and -55°C to +125°C.
