Overview
The MAX1230BCTI+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1226/MAX1228/MAX1230 family, which features internal references, internal temperature sensors, and various advanced functionalities. The MAX1230BCTI+ is specifically designed with 16 input channels, configurable for single-ended or differential inputs in unipolar or bipolar mode. It operates from a single +5V supply and includes a 10MHz SPI/QSPI/MICROWIRE-compatible serial interface. This ADC is ideal for applications requiring high precision, low power consumption, and multiple input channels.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 12 bits |
| Sampling Rate | Maximum sampling rate using an external clock | 300ksps |
| Input Channels | Number of input channels | 16 (single-ended) or 8 (differential) |
| Input Configuration | Input mode | Single-ended or differential, unipolar or bipolar |
| Supply Voltage | Operating voltage | +5V |
| Temperature Range | Operating temperature range | -40°C to +85°C |
| Package | Available packages | 28-pin 5mm x 5mm QFN with exposed pad, 24-pin QSOP |
| Integral Nonlinearity (INL) | Maximum INL | ±1.0 LSB |
| Differential Nonlinearity (DNL) | Maximum DNL | ±1.0 LSB, no missing codes over temperature |
| Offset Error | Maximum offset error | ±4.0 LSB |
| Gain Error | Maximum gain error | ±4.0 LSB |
Key Features
- Internal temperature sensor with ±0.7°C accuracy
- 16-entry First-In/First-Out (FIFO) buffer
- Analog multiplexer with true differential track/hold
- Scan mode, internal averaging, and internal clock mode
- Low-power operation: 2.3mA at 300ksps
- Internal 4.096V reference or external differential reference
- 10MHz 3-wire SPI/QSPI/MICROWIRE-compatible interface
- AutoShutdown™ feature for power conservation
- Space-saving 28-pin 5mm x 5mm thin QFN package
Applications
- System supervision
- Data-acquisition systems
- Industrial control systems
- Patient monitoring
- Data logging
- Instrumentation
Q & A
- What is the resolution of the MAX1230BCTI+ ADC?
The MAX1230BCTI+ has a resolution of 12 bits.
- How many input channels does the MAX1230BCTI+ have?
The MAX1230BCTI+ has 16 input channels, which can be configured as single-ended or differential inputs.
- What is the maximum sampling rate of the MAX1230BCTI+?
The maximum sampling rate is 300ksps using an external clock.
- What is the operating voltage of the MAX1230BCTI+?
The device operates from a single +5V supply.
- What is the temperature range for the MAX1230BCTI+?
The device operates over an extended temperature range of -40°C to +85°C.
- Does the MAX1230BCTI+ have an internal temperature sensor?
Yes, the MAX1230BCTI+ includes an internal temperature sensor with ±0.7°C accuracy.
- What interface does the MAX1230BCTI+ use for communication?
The device uses a 10MHz 3-wire SPI/QSPI/MICROWIRE-compatible interface.
- What is the power consumption of the MAX1230BCTI+ at 300ksps?
The device consumes 2.3mA at 300ksps.
- Does the MAX1230BCTI+ have a FIFO buffer?
Yes, the device includes a 16-entry First-In/First-Out (FIFO) buffer.
- What are the available packages for the MAX1230BCTI+?
The device is available in 28-pin 5mm x 5mm QFN with exposed pad and 24-pin QSOP packages.
