TDA9801T NXP Semiconductors, TDA9801T Datasheet - Page 4

• Manufacturer Part Number: TDA9801T
• Manufacturer: NXP Semiconductors

Specifications of TDA9801T

• Pin Count: 20
• Screening Level: Commercial
• Package Type: SO
• Lead Free Status / Rohs Status: Compliant

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V P = 5 V (9 V)
GND
VIF1
VIF2
ADJ
takeover
1
18
2
4
point
REFERENCE
3-STAGE
IF-AMPLIFIER
INTERNAL
VOLTAGE
TUNER
TOP
3
R TOP
AGC
tuner AGC
20
V P
12
TAGC
FREQUENCY
TRAVELLING
AND PHASE
DETECTOR
DETECTOR
DIVIDER
WAVE
AGC
IF
Fig.1 Block diagram.
TPLL
6
19
AGC
C AGC
DEMODULATOR
DETECTOR
VCO2
17
VIDEO
AGC
VCO
TDA9801
5
MUTE
sound
switch
mute
16
VCO1
2f PC
8
n.c.
DETECTOR
AMPLIFIER
VIDEO
AFC
15
AFC
VSO
13
1 V (p-p)
sound
mute
AND NOISE CLIPPER
BUFFER AMPLIFIER
SOUND
TRAP
AMPLIFIER
DETECTOR
AMPLIFIER
14
VI
LIMITER
FM-PLL
AF
SOUND
FILTER
SI
11
10
9
7
video and
intercarrier
AF
DAF
CVBS
2 V (p-p)
MHA879
C DAF