Overview
The ADC0804LCWM/NOPB is an 8-bit successive approximation analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADC0804 series, which includes several models designed for compatibility with various microprocessors, particularly the NSC800 and INS8080A derivatives. The ADC0804LCWM/NOPB operates using a differential potentiometric ladder and is known for its ease of interface with microprocessors, requiring no additional interfacing logic. It can also function as a stand-alone device.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8 Bits |
| Total Error | ±1/4 LSB, ±1/2 LSB, and ±1 LSB |
| Conversion Time | 100 µs |
| Analog Voltage Input Range | 0 V to 5 V |
| Supply Voltage (Analog and Digital) | 4.5 V to 5.5 V |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | SOIC (DW) with 20 pins |
| Sample Rate (Max) | 10 kSPS |
| Power Consumption (Typical) | 9.5 mW |
Key Features
- Compatible with 8080-µP derivatives without needing additional interfacing logic.
- Easy interface to all microprocessors or operates as a stand-alone device.
- Differential analog voltage inputs for increased common-mode rejection and offsetting the analog zero input voltage.
- Logic inputs and outputs meet both MOS and TTL voltage-level specifications.
- Works with a 2.5-V (LM336) voltage reference.
- On-chip clock generator.
- No zero adjust required.
- Operates ratiometrically or with 5 V DC, 2.5 V DC, or analog span adjusted voltage reference.
Applications
The ADC0804LCWM/NOPB is suitable for various applications requiring analog-to-digital conversion, including:
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Embedded systems requiring microprocessor compatibility.
Q & A
- What is the resolution of the ADC0804LCWM/NOPB?
The resolution is 8 bits.
- What is the conversion time of the ADC0804LCWM/NOPB?
The conversion time is 100 µs.
- What is the operating temperature range of the ADC0804LCWM/NOPB?
The operating temperature range is 0°C to 70°C.
- Does the ADC0804LCWM/NOPB require additional interfacing logic for microprocessor compatibility?
No, it does not require additional interfacing logic.
- What type of analog voltage inputs does the ADC0804LCWM/NOPB support?
Differential analog voltage inputs.
- What is the typical power consumption of the ADC0804LCWM/NOPB?
The typical power consumption is 9.5 mW.
- What is the maximum sample rate of the ADC0804LCWM/NOPB?
The maximum sample rate is 10 kSPS.
- What package types are available for the ADC0804LCWM/NOPB?
It is available in a SOIC (DW) package with 20 pins.
- Can the ADC0804LCWM/NOPB operate with different voltage references?
- Is the ADC0804LCWM/NOPB RoHS compliant?
