Overview
The ADC0809CCVX/NOPB is a monolithic CMOS device produced by Texas Instruments, designed for data acquisition applications. It integrates an 8-bit analog-to-digital converter, an 8-channel multiplexer, and microprocessor-compatible control logic. The device uses successive approximation as the conversion technique and features a high impedance chopper stabilized comparator, a 256R voltage divider with an analog switch tree, and a successive approximation register. This component is optimized for high speed, high accuracy, minimal temperature dependence, and low power consumption, making it suitable for a wide range of applications including process and machine control, consumer electronics, and automotive systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8 Bits |
| Total Unadjusted Error | ±½ LSB and ±1 LSB |
| Single Supply | 5 VDC |
| Low Power | 15 mW |
| Conversion Time | 100 μs |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 28-PLCC (J-LEAD) |
| Number of Inputs | 8 single-ended analog signals |
| Voltage Supply Range | 4.5 V ~ 6.5 V |
Key Features
- Easy interface to all microprocessors
- Operates ratiometrically or with 5 VDC or analog span adjusted voltage reference
- No zero or full-scale adjust required
- 8-channel multiplexer with address logic
- 0V to VCC input range
- Outputs meet TTL voltage level specifications
- ADC0809 equivalent to MM74C949-1
- Latched and decoded multiplexer address inputs and latched TTL TRI-STATE outputs
Applications
The ADC0809CCVX/NOPB is ideally suited for various applications, including:
- Process and machine control
- Consumer electronics
- Automotive systems
- Ratiometric conversion systems, such as those using potentiometers as position sensors
Q & A
- What is the resolution of the ADC0809CCVX/NOPB?
The resolution of the ADC0809CCVX/NOPB is 8 bits.
- What is the conversion time of the ADC0809CCVX/NOPB?
The conversion time is 100 μs.
- What is the operating temperature range of the ADC0809CCVX/NOPB?
The operating temperature range is -40°C to 85°C.
- Does the ADC0809CCVX/NOPB require external zero and full-scale adjustments?
No, the device eliminates the need for external zero and full-scale adjustments.
- How many input channels does the ADC0809CCVX/NOPB have?
The device has an 8-channel multiplexer.
- What is the supply voltage range for the ADC0809CCVX/NOPB?
The supply voltage range is 4.5 V to 6.5 V.
- Is the ADC0809CCVX/NOPB RoHS compliant?
- What is the package type of the ADC0809CCVX/NOPB?
- What conversion technique does the ADC0809CCVX/NOPB use?
- What are some typical applications of the ADC0809CCVX/NOPB?
