Overview
The MAX1143BCAP+T is a 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1142/MAX1143 series, known for their high-speed and low-power consumption. The MAX1143BCAP+T operates on a single +5V analog and digital supply, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 200 ksps |
| Analog Input Range | 0 to +4.096V (unipolar), ±4.096V (bipolar) |
| Supply Voltage (Analog and Digital) | +4.75V to +5.25V |
| Power Consumption | 7.5 mA (typical), < 20 µA (power-down mode) |
| Operating Temperature | -40°C to 85°C |
| Package | 20-pin SSOP |
| Interface | SPI, QSPI, MICROWIRE |
| Dynamic Performance | SINAD ≥ 81 dB, SNR ≥ 82 dB, THD ≤ -88 dB, SFDR ≥ 95 dB |
Key Features
- High-speed conversion rate of 200 ksps
- Low power consumption with power-down modes
- Internal track/hold circuitry and clock generator
- Internal bandgap reference (+4.096V)
- Three general-purpose digital output pins for external multiplexer or PGA control
- On-demand calibration for optimizing performance
- Serial strobe output (SSTRB) for direct connection to digital signal processors
- Software-controlled input range selection
Applications
- Industrial process control
- Instrumentation
- Medical applications
- Any system requiring high-speed, low-power analog-to-digital conversion
Q & A
- What is the resolution of the MAX1143BCAP+T ADC?
The MAX1143BCAP+T has a resolution of 14 bits.
- What is the sampling rate of the MAX1143BCAP+T?
The sampling rate is 200 ksps.
- What are the input voltage ranges for the MAX1143BCAP+T?
The input voltage ranges are 0 to +4.096V (unipolar) and ±4.096V (bipolar).
- What is the typical power consumption of the MAX1143BCAP+T?
The typical power consumption is 7.5 mA, with power-down modes reducing current to less than 20 µA.
- What interfaces does the MAX1143BCAP+T support?
The MAX1143BCAP+T supports SPI, QSPI, and MICROWIRE interfaces.
- Does the MAX1143BCAP+T have internal calibration capabilities?
Yes, it features internal calibration circuitry to correct linearity and offset errors.
- What is the operating temperature range of the MAX1143BCAP+T?
The operating temperature range is -40°C to 85°C.
- What package type is the MAX1143BCAP+T available in?
The MAX1143BCAP+T is available in a 20-pin SSOP package.
- Can the MAX1143BCAP+T be used in medical applications?
Yes, it is suitable for medical applications due to its high dynamic performance and low power consumption.
- How does the MAX1143BCAP+T handle power management?
The device has power-down modes that reduce current consumption significantly, making it energy-efficient.
