Overview
The MAX1248AEPE+ is a 10-bit, 4-channel serial analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1248/MAX1249 family, which combines a multiplexer, high-bandwidth track/hold, and a serial interface, making it suitable for various data-acquisition applications. The MAX1248AEPE+ operates from a single supply voltage ranging from +2.7V to +5.25V and features low power consumption and high conversion speed.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | MAX1248AEPE+ |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Resolution | 10-bit |
| Number of Channels | 4 |
| Supply Voltage | +2.7V to +5.25V |
| 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) | 66 dB |
| Operating Temperature Range | 0°C to +70°C (MAX1248_C_E) |
| Storage Temperature Range | -60°C to +150°C |
| Lead Temperature (soldering, 10sec) | +300°C |
Key Features
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- 4-wire serial interface compatible with SPI™/QSPI™ and MICROWIRE™ devices.
- Internal 2.5V reference voltage (MAX1248) or external reference voltage option (MAX1249).
- Reference-buffer amplifier with ±1.5% voltage adjustment range.
- Hard-wired SHDN pin and software-selectable power-down modes.
- Low power consumption with full power-down and fast power-down modes.
Applications
The MAX1248AEPE+ is suitable for a variety of data-acquisition applications, including industrial control systems, medical devices, and automotive systems. Its low power consumption and high conversion speed make it ideal for battery-powered devices and applications requiring high accuracy and reliability.
Q & A
- What is the resolution of the MAX1248AEPE+ ADC?
The MAX1248AEPE+ has a 10-bit resolution. - How many channels does the MAX1248AEPE+ support?
The MAX1248AEPE+ supports 4 channels. - What is the operating supply voltage range for the MAX1248AEPE+?
The operating supply voltage range is from +2.7V to +5.25V. - What is the typical conversion time for the MAX1248AEPE+?
The typical conversion time is 6 µs. - Does the MAX1248AEPE+ support both unipolar and bipolar conversions?
Yes, the MAX1248AEPE+ supports both unipolar and bipolar conversions, as well as single-ended and differential conversions. - What types of serial interfaces are compatible with the MAX1248AEPE+?
The MAX1248AEPE+ is compatible with SPI™/QSPI™ and MICROWIRE™ devices. - Does the MAX1248AEPE+ have an internal reference voltage?
Yes, the MAX1248AEPE+ has an internal 2.5V reference voltage. - What are the power-down modes available for the MAX1248AEPE+?
The MAX1248AEPE+ has full power-down and fast power-down modes. - What is the operating temperature range for the MAX1248AEPE+?
The operating temperature range is 0°C to +70°C for the MAX1248_C_E version. - What is the storage temperature range for the MAX1248AEPE+?
The storage temperature range is -60°C to +150°C.
