%V, 18-Bit, Low-Power, Multichannel, Oversampling Sigma-Delta ADC The MAX1400CAI is a multichannel, low-power, 16-bit data acquisition system (DAS) manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX1400CAI
- **Package:** 28-pin SSOP (Shrink Small Outline Package)
- **Resolution:** 16-bit
- **Channels:**
- 8 single-ended or 4 differential analog input channels
- **ADC Type:** Sigma-Delta (ΔΣ)
- **Sampling Rate:** Up to 480 samples per second (sps)
- **Input Voltage Range:** ±2.5V (programmable)
- **Power Supply:**
- **Analog Supply:** +5V
- **Digital Supply:** +3V to +5V
- **Power Consumption:**
- 1.5mA (operating mode)
- 2µA (power-down mode)
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface
- **Operating Temperature Range:** 0°C to +70°C
### **Descriptions:**
The MAX1400CAI is a highly integrated, low-power, multichannel data acquisition system designed for precision measurement applications. It combines a 16-bit sigma-delta ADC with a flexible input multiplexer, programmable gain amplifier (PGA), and digital filtering. It is suitable for industrial, medical, and instrumentation applications requiring high-resolution analog-to-digital conversion.
### **Features:**
- **High Resolution:** 16-bit ADC with no missing codes
- **Low Power:** 1.5mA operating current, 2µA shutdown current
- **Flexible Input Configuration:**
- 8 single-ended or 4 differential inputs
- Programmable gain (1 to 128)
- **On-Chip Features:**
- PGA (Programmable Gain Amplifier)
- Digital filter with selectable output rates
- Internal or external clock support
- **Serial Interface:** SPI/QSPI/MICROWIRE-compatible
- **Calibration:** On-demand or continuous self-calibration
- **Power-Saving Modes:** Software-configurable shutdown
This information is strictly based on the manufacturer's datasheet and technical documentation.
