Philips Semiconductors
Y/C automatic adjustment processor
(VHS standard)
Product specification
TDA9725
FEATURES
• Automatic adjustment by control loops
• Integrated filters
• Simple SVHS playback
• Colour sequence correction for long-play still mode
• Automatic gain control for FM.
GENERAL DESCRIPTION
The TDA9725 is an integrated circuit for chrominance and
luminance processing (record and playback) in VHS tape
recorders for PAL, SECAM/ME and NTSC systems
(4.43 MHz playback only) with internal filter and without
adjustments.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
VCC
ICC
Vi(p-p)
supply voltage
supply current
video input voltage; CVBS signal
(peak-to-peak value)
VCC = 5 V; playback
VoREC(p-p) video output record voltage
(peak-to-peak value)
video/sync = 7/3
VoPB(p-p)
video output playback voltage
(peak-to-peak value)
video/sync = 7/3;
nominal FM signal
ViFM(p-p)
VoFM(p-p)
VCFT(p-p)
FM input voltage (peak-to-peak value)
FM output voltage (peak-to-peak value)
chrominance input voltage (+FM) from tape
(peak-to-peak value)
FM AGC active
RL = 1 kΩ
VCTT(p-p)
chrominance output voltage to tape
(peak-to-peak value)
Tstg
Tamb
storage temperature
operating ambient temperature
MIN.
4.5
140
0.6
TYP.
5.0
170
1.0
MAX. UNIT
5.5 V
200 mA
2.0 V
2.03 2.14 2.25 V
2.03 2.14 2.25 V
63
200 632 mV
0.7 0.9 1.1 V
11
110 310 mV
467 660 932 mV
−25 −
−20 −
+150 °C
+70 °C
ORDERING INFORMATION
TYPE
NUMBER
TDA9725
NAME
SDIP52
PACKAGE
DESCRIPTION
plastic shrink dual in-line package; 52 leads (600 mil)
VERSION
SOT247-1
1996 Oct 14
2