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ADC0801 8-bit A/D Converter Datasheet
Photograph
Product Details
The ADC0801 is a stand alone 8-bit Analog to Digital Converter. Originally designed and produced by National Semiconductor, the device was commonly used in microprocessors systems, as an interface and converter for remote sensor data.
Features
- Compatible with 8080 Microprocessors
- Easy Interface to All Microprocessors
- Differential Analog Voltage Inputs
- Logic inputs and outputs meet both MOS and TTL voltage level specifications
- Works with 2.5V (LM336) Voltage Reference
- On-chip Clock Generator
- 0V to 5V Analog Input Voltage range with Single 5V Supply
- No Zero Adjust Required
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | CS - Chip Select (Active Low) |
| 2 | RD - Read (Active Low) |
| 3 | WR - Write (Active Low) |
| 4 | CLK IN - Clock In |
| 5 | INTR - Interrupt (Active Low) |
| 6 | Vin+ - Analog Voltage Input |
| 7 | Vin- - Analog Voltage Input |
| 8 | AGND - Analog Ground |
| 9 | Vref/2 - Voltage Reference/2 |
| 10 | DGND - Digital Ground |
| 11 | DB7 - Data Bit 7 |
| 12 | DB6 - Data Bit 6 |
| 13 | DB5 - Data Bit 5 |
| 14 | DB4 - Data Bit 4 |
| 15 | DB3 - Data Bit 3 |
| 16 | DB2 - Data Bit 2 |
| 17 | DB1 - Data Bit 1 |
| 18 | DB0 - Data Bit 0 |
| 19 | CLKR - Clock Reset |
| 20 | Vcc - Positive Supply |
Dimensional Drawing
Technical Data
