TDA9177 Pin Function | Parameter List
This document provides a detailed overview of the TDA9177 chip, including its pin functions and key electrical parameters. The TDA9177 is a versatile integrated circuit used in various display and signal processing applications.
Below is a table summarizing the pin configuration and related measurements for the TDA9177:
| Foot Number | Name | Voltage / V | Red Pen Grounding / KΩ | Black Pen Grounding / KΩ | Function Description |
| 1 | SC | 0.4 | 3.4 | 3.4 | Sandcastle Pulse Input |
| 2 | COR | 0 | 0 | 0 | Nucleation Level Input |
| 3 | AD1 | 0 | 0 | 0 | Analog to Digital Input 1 |
| 4 | LWC | 0 | 0 | 0 | Line Width Control Input |
| 5 | YI | 1.6 | 22.0 | 15.0 | Brightness Signal Input |
| 6 | ADR | 0 | 0 | 0 | I2C Bus Address Input |
| 7 | UI | 0.6 | 20.2 | 15.5 | BY Color Difference Signal Input |
| 8 | CFS | 0 | 0 | 0 | Contour Filter Selection |
| 9 | VI | 0.4 | 20.0 | 15.5 | RY Color Difference Signal Input |
| 10 | AD2 | 0 | 0 | 0 | Analog to Digital Input 2 |
| 11 | PEAK | 0 | 0 | 0 | Spike Amplitude Input |
| 12 | SCL | 2.0 | 6.5 | 5.0 | I2C Bus Clock Input |
| 13 | SDA | 2.7 | 6.5 | 6.5 | I2C Data Input/Output |
| 14 | AMS | 0 | 0 | 0 | Amplitude Selection Input |
| 15 | SNC | 0 | 0 | 0 | Dynamic Noise Control Input |
| 16 | VO | 3.1 | 21.9 | 15.0 | RY Color Difference Signal Output |
| 17 | FHS | 0 | 21.9 | 15.0 | Line Frequency Selection Input |
| 18 | UO | 3.1 | 22.0 | 15.0 | BY Color Difference Signal Output |
| 19 | GND | 0 | 0 | 0 | Ground |
| 20 | Y/O | 2.1 | 20.0 | 15.0 | Brightness Selection Output |
| 21 | VCC | 8.4 | 4.0 | 4.0 | Voltage Supply |
| 22 | STEER | 0 | 0 | 0 | Steep Control Input |
| 23 | VREF | 3.9 | 17.0 | 13.8 | Reference Voltage Output |
| 24 | REXT | 2.0 | 10.5 | 10.0 | Resistance Reference |
This detailed pinout and parameter list can be useful for engineers and technicians working with the TDA9177 chip in various applications such as video processing, display control, and signal conditioning. Understanding these parameters helps in proper integration and troubleshooting of the device.
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