Overview
The MAX1144AEAP+ is a high-performance analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This 14-bit ADC is designed for high-speed and low-power applications, making it ideal for various industrial, medical, and data-acquisition systems. The MAX1144AEAP+ operates with a single 3.135V to 3.465V supply and features a serial interface compatible with SPI, QSPI, and MICROWIRE devices.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14 bits | |
| Sampling Rate | 150ksps (Bipolar), 125ksps (Unipolar) | |
| Input Range | 0 to +6V (Unipolar), ±6V (Bipolar) | V |
| Supply Voltage | 3.135V to 3.465V | V |
| Power Consumption | 8.0mA (typical), < 20µA (power-down) | mA/µA |
| Input Impedance | 7.5kΩ to 10.5kΩ (Unipolar), 5.9kΩ to 8.4kΩ (Bipolar) | kΩ |
| Input Capacitance | 32 pF | pF |
| Operating Temperature | -40°C to +85°C | °C |
| Package | 20-pin SSOP |
Key Features
- High-speed sampling rates of up to 150ksps in bipolar mode and 125ksps in unipolar mode.
- 14-bit resolution with no missing codes and 1LSB INL guaranteed.
- Excellent dynamic performance with THD ≥ 90dB.
- Internal track/hold circuitry and internal clock generator.
- On-demand software calibration to correct linearity, offset, and gain errors.
- Three user-programmable logic outputs for controlling external multiplexers or PGAs.
- Low power consumption with power-down modes reducing current to less than 20µA.
- Serial strobe output (SSTRB) for direct connection to TMS320 family digital-signal processors.
Applications
- Industrial process control and industrial I/O modules.
- Data-acquisition systems.
- Medical instruments.
- Portable and battery-powered equipment.
Q & A
- What is the resolution of the MAX1144AEAP+ ADC?
The MAX1144AEAP+ has a 14-bit resolution. - What are the sampling rates of the MAX1144AEAP+?
The sampling rates are up to 150ksps in bipolar mode and 125ksps in unipolar mode. - What is the input voltage range for the MAX1144AEAP+?
The input voltage range is 0 to +6V (unipolar) or ±6V (bipolar). - What is the supply voltage range for the MAX1144AEAP+?
The supply voltage range is 3.135V to 3.465V. - How much power does the MAX1144AEAP+ consume?
The typical power consumption is 8.0mA, and it reduces to less than 20µA in power-down mode. - What is the operating temperature range of the MAX1144AEAP+?
The operating temperature range is -40°C to +85°C. - What package type is the MAX1144AEAP+ available in?
The MAX1144AEAP+ is available in a 20-pin SSOP package. - Does the MAX1144AEAP+ support on-demand calibration?
Yes, it supports on-demand software calibration to correct linearity, offset, and gain errors. - Can the MAX1144AEAP+ be used with external multiplexers or PGAs?
Yes, it has three user-programmable logic outputs for controlling external multiplexers or PGAs. - Is the MAX1144AEAP+ compatible with SPI, QSPI, and MICROWIRE devices?
Yes, it is compatible with SPI, QSPI, and MICROWIRE devices without external logic.
