Overview
The ADC0809CCN/NOPB is a monolithic CMOS device produced by Texas Instruments, designed as an 8-bit analog-to-digital converter with an integrated 8-channel multiplexer and microprocessor-compatible control logic. This component is part of the ADC0808/ADC0809 series, which offers high speed, high accuracy, and minimal power consumption. It is optimized for various applications, including process and machine control, consumer electronics, and automotive systems.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Total Unadjusted Error | 25°C | ±½ LSB | ±¾ LSB | ||
| Total Unadjusted Error | 0°C to 70°C | ±1 LSB | ±1¼ LSB | ||
| Input Resistance | From Ref(+) to Ref(-) | 1.0 kΩ | 2.5 kΩ | kΩ | |
| Analog Input Voltage Range | V(+) or V(-) | GND - 0.1 V | VCC + 0.1 V | VDC | |
| Supply Voltage (VCC) | 4.5 V | 5 V | 6.0 V | VDC | |
| Conversion Time | fc=640 kHz | 90 μs | 100 μs | 116 μs | μs |
| Clock Frequency | 10 kHz | 640 kHz | 1280 kHz | kHz | |
| Supply Current | fCLK=640 kHz | 0.3 mA | 3.0 mA | mA |
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.
- Outputs meet TTL voltage level specifications.
- High impedance chopper stabilized comparator.
- 256R voltage divider with analog switch tree and successive approximation register.
- Low power consumption: 15 mW.
- High speed conversion time: 100 μs.
Applications
The ADC0809CCN/NOPB is ideally suited for a variety of 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 ADC0809CCN/NOPB?
The ADC0809CCN/NOPB has an 8-bit resolution. - What is the typical conversion time of the ADC0809CCN/NOPB?
The typical conversion time is 100 μs at a clock frequency of 640 kHz. - What is the input voltage range for the ADC0809CCN/NOPB?
The input voltage range is from 0V to VCC. - Does the ADC0809CCN/NOPB require external zero and full-scale adjustments?
No, the ADC0809CCN/NOPB does not require external zero and full-scale adjustments. - What is the power consumption of the ADC0809CCN/NOPB?
The power consumption is typically 15 mW. - How many channels does the multiplexer in the ADC0809CCN/NOPB have?
The multiplexer has 8 channels. - What is the operating temperature range of the ADC0809CCN/NOPB?
The operating temperature range is from -40°C to +85°C. - What is the clock frequency range of the ADC0809CCN/NOPB?
The clock frequency range is from 10 kHz to 1280 kHz. - Is the ADC0809CCN/NOPB compatible with all microprocessors?
- What type of conversion technique does the ADC0809CCN/NOPB use?
The ADC0809CCN/NOPB uses the successive approximation conversion technique. - What type of conversion technique does the ADC0809CCN/NOPB use?
