Datasheet Details
| Part number | TDA4439 |
|---|---|
| Manufacturer | TEMIC Semiconductors |
| File Size | 105.47 KB |
| Description | Video IF Amplifier for Multistandard TV and VTR |
| Datasheet |
 TDA4439 Datasheet
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General Description
1 2 3 4 5 6 7 8
95 10840
TELEFUNKEN Semiconductors
16 15 14 13 12 11 10 9
Pin 1, 18 2 3, 17 4 5 6 7
8, 11 9, 10 12 13 14 15 16
Function IF input Standard switch: open B/G ground L Ground IF-AGC storage capacitor AGC (tuner control) Tuner AGC take over Polarity switch: open AFC “DOWN” ground AFC
Key Features
- D Standard B/G-L suitable, processes negatively and positively modulated IF-signals with equal polarity of the output signal D High input sensitivity D Fast AGC by controlled discharge of the AGC capacitor Standard L mode: AGC acting on peak white level, capacitor discharge control by averaged video signal Standard B/G: AGC acting on the sync. pulse peak D Ultra white inverter and ultra black limiter for reducing transmission interference D Internally noise protected gain control, no flyback.