Overview
The ADC12030CIWM is a self-calibrating 12-bit plus sign serial I/O analog-to-digital converter (ADC) produced by National Semiconductor. This component is part of the ADC12030 family and is designed to offer high accuracy and flexibility in various analog-to-digital conversion applications. It features a built-in analog multiplexer and sample/hold function, making it suitable for systems that require multiple analog input channels.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit plus sign |
| Conversion Time | 8.8 µs (max) for ADC12030 family |
| Throughput Time | 14 µs (max) for ADC12030 family |
| Integral Linearity Error | ±1 LSB (max) |
| Supply Voltage | 5V ±10% |
| Power Consumption | 33 mW (max), 100 µW (typ) in power down mode |
| Conversion Clock Frequency | 5 MHz (max) |
| Serial Data Clock Frequency | 5 MHz (max) |
| Acquisition Time | 6 to 10 cycles of the conversion clock |
Key Features
- Serial I/O (MICROWIRE compatible)
- 2, 4, or 8 channel differential or single-ended multiplexer
- Analog input sample/hold function
- Power down mode
- Variable resolution and conversion rate
- Programmable acquisition time
- Variable digital output word length and format
- No zero or full scale adjustment required
- Fully tested and guaranteed with a 4.096V reference
- 0V to 5V analog input range with single 5V power supply
- No missing codes over temperature
Applications
- Medical instruments
- Process control systems
- Test equipment
Q & A
- What is the resolution of the ADC12030CIWM? The resolution is 12-bit plus sign.
- What is the maximum conversion time for the ADC12030 family? The maximum conversion time is 8.8 µs.
- What is the power consumption of the ADC12030CIWM in normal operation? The power consumption is 33 mW (max).
- What is the power consumption in power down mode? The power consumption in power down mode is 100 µW (typ).
- What are the supported analog input modes? The ADC supports single-ended, differential, or pseudo-differential modes.
- Is self-calibration available for this ADC? Yes, the ADC12030CIWM can undergo a self-calibration process to adjust linearity, zero, and full-scale errors.
- What is the analog input range for this ADC? The analog input range is 0V to +5V with a single 5V supply.
- What is the serial interface compatibility of this ADC? The serial I/O is compatible with MICROWIRE.
- Can the digital output word length and format be varied? Yes, the digital output word length and format can be varied.
- What are some typical applications of the ADC12030CIWM? Typical applications include medical instruments, process control systems, and test equipment.
