Overview
The MAX1248BCEE+T, produced by Analog Devices Inc./Maxim Integrated, is a 10-bit, low-power, 4-channel analog-to-digital converter (ADC) designed for high-performance data acquisition. This device operates from a single supply voltage ranging from +2.7V to +5.25V and features a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices. The MAX1248BCEE+T includes an internal 2.5V reference voltage and supports both unipolar and bipolar, as well as single-ended and differential analog input configurations. It is particularly noted for its low power consumption and high conversion speed, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10-bit |
| Number of Channels | 4 (single-ended), 2 (differential) |
| Supply Voltage | +2.7V to +5.25V |
| Reference Voltage | Internal 2.5V (MAX1248), External (MAX1249) |
| Conversion Time | 6 µs (typical) |
| Full-Power Bandwidth | 1.0 MHz |
| Small-Signal Bandwidth | 2.25 MHz |
| Channel-to-Channel Crosstalk | -75 dB |
| SFDR (Spurious-Free Dynamic Range) | -70 dB |
| THD (Total Harmonic Distortion) | -66 dB |
| SINAD (Signal-to-Noise + Distortion Ratio) | -70 dB |
| Power Dissipation | 667 mW (QSOP package) |
| Operating Temperature Range | 0°C to +70°C (MAX1248_C_E/MAX1249_C_E) |
| Package Type | 16-QSOP |
Key Features
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- Internal 2.5V reference voltage (MAX1248) with a ±1.5% voltage adjustment range
- Low power consumption: 1.2mA typical supply current
- High conversion speed: 133ksps
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices
- Hard-wired active-low SHDN pin and software-selectable power-down modes
- Quick turn-on time and automatic shutdown at the end of a conversion to reduce power consumption
Applications
The MAX1248BCEE+T is suitable for various applications requiring precise and efficient 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 MAX1248BCEE+T ADC?
The MAX1248BCEE+T has a 10-bit resolution. - What is the supply voltage range for the MAX1248BCEE+T?
The supply voltage range is from +2.7V to +5.25V. - Does the MAX1248BCEE+T have an internal reference voltage?
Yes, the MAX1248BCEE+T has an internal 2.5V reference voltage. - What types of analog input configurations are supported by the MAX1248BCEE+T?
The device supports both unipolar and bipolar, as well as single-ended and differential analog input configurations. - What is the typical conversion time of the MAX1248BCEE+T?
The typical conversion time is 6 µs. - How many channels does the MAX1248BCEE+T support?
The device supports 4 single-ended channels or 2 differential channels. - What is the power dissipation of the MAX1248BCEE+T in QSOP package?
The power dissipation is 667 mW. - What are the operating temperature ranges for the MAX1248BCEE+T?
The operating temperature range is from 0°C to +70°C for the MAX1248_C_E/MAX1249_C_E versions. - Does the MAX1248BCEE+T support power-down modes?
Yes, it supports both hard-wired and software-selectable power-down modes. - What serial interfaces are compatible with the MAX1248BCEE+T?
The device is compatible with SPI, QSPI, and MICROWIRE serial interfaces.
