The SAA5252 (LITOD) is a single-chip CMOS device, which will acquire, decode and display Line 21 Closed Captioning data from a 525-line composite video signal. Operation as an On-Screen Display (OSD) device is also possible. Normal and line progressive scan modes are supported.
The Philips SAA5252 (LITOD) is a complete stand-alone Line 21 decoder designed as a single-chip CMOS device. It acquires, decodes, and displays Closed Captioning data from standard 525-line composite video signals, supporting both VHS and S-VHS formats.
The device features an on-chip display RAM allowing full-page text mode and enhanced character display modes with full-color captions. It supports RGB interfaces for standard color decoder ICs and includes automatic handling of Field 2 data and scan mode selection.
| Supply Voltage (Typical) | 5.0 V |
|---|---|
| Operating Ambient Temperature | -20 to +70 °C |
| Storage Temperature | -55 to +125 °C |
| Total Supply Current (Typical) | 30 mA |
| Oscillator Frequency | 12 MHz |
The device operates with a typical supply voltage of 5.0 V.
The device can operate in an ambient temperature range up to +70 °C.