Philips TCA640
The TCA640 is an integrated chrominance amplifier for either a SECAM decoder or a double standard PAL/SECAM decoder. Furthermore, the TCA640 incorporates a blanking circuit, a burst gating circuit and a colour killer detector.| Part No. | TCA640 |
|---|---|
| Datasheet | TCA640 Download |
| Manufacturer |  Philips |
| Description | Chrominance Amplifier |
| Buy | Stock & Price |
TCA640 CHROMINANCE AMPLIFIER FOR SECAM OR PAL/SECAM DECODERS Switching of the standard is performed internally, controlled by an external applied d. c . signal. In addition to the chrominance amplifier the c i r c u i t a l s o i n c o r p o r a t e s a 7, 8 kHz flip-flop and an identification c i r c u i t for SECAM. F o r PAL identification the c i r c u i t included in the TBA540 should be used. Supply voltage Supply current QUICK REFERENCE DATA Vl4- 2 Il4 nom. nom. 12 V 37 mA Chrominance input signals (peak-to-peak value) Chrominance output signals (peak-to-peak value) Burst output (closed a . c . c . loop) (peak-to-peak value) System switching signal Burst blanking of chrominance signal Chrominance blanking at field identification Square-wave output (7, 8 kHz) (peak-to-peak value) V3-5(p-p) PAL >4 < 80 V15-2 (p-p) v l - 2 (p-p) typ. 500 v 13-2 (p-p) typ. 1 V4-2 typ. 12 > 40 >- V12-2(p-p) typ. 3 SECAM 7 mV 400 mV 2000 mV V 0V - dB 40 dB 3V PACKAGE OUTLINE 16-lead DIL; plastic (SOT-38).
