M61140FP
TUNER SINGLE CHIP
REJ03F0023-0120Z Rev.1.2 Apr.16.2004
Description
The M61140FP is a semiconductor integrated ...
M61140FP
TUNER SINGLE CHIP
REJ03F0023-0120Z Rev.1.2 Apr.16.2004
Description
The M61140FP is a semiconductor integrated circuit consisting of Tuner signal processing for NTSC color TV and VCRs. The circuit includes Mixer circuit in Tuning system, Oscillator circuit, PLL frequency synthesizer and VIF/SIF, which permits a smaller tuner system.
Features
VIF/SIF Inter carrier type for NTSC Coil-less VCO Adjustment free AFT High-speed IF AGC PLL Low phase noise and High-speed lock-up Built-in band switch driver (4 port) I2C bus control Available for both XO and external reference Mixer/Oscillator Built-in U&V Oscillator and mixer Built-in IF Amplifier (Unbalanced Output)
Application
TV, VCR
Recommended Operating Conditions
Supply
voltage range --- 4.75 to 5.25V Recommended supply
voltage --- 5.0V
Rev.1.2, Apr.16.2004, page 1 of 28
M61140FP
Pin configuration and Block diagram
Logic GND Logic Vcc IF2 GND Vt Drive VIF Vcc IF2 Vcc IF OUT
Ref IN
SDA
36
IF2 GND
35
34
33
VIF Vcc
32
31
30
Logic GND
29
28
Logic Vcc
27
26
Bus receiver
25
M/O Vcc
ADS
SCL
CP
24 23 22 21 20 19 18 17 16 15 14 13
VIF IN 2 VIF IN 1 AF Bypass
IF amp
Video det
Audio OUT QIF OUT
LIM AMP QIF AMP
Ref divider Coil-less VCO Phase det RF AGC IF AMP 15bit P.G divider PSC 1/32, 1/33
Band driver
37 38 39 40 41 42
VIF GND
MO Vcc
Charge pump
XO
RF AGC OUT PFMST PVHFL PVHFH
FM det
AFT OUT VIF GND IF AGC 1 APC Filter
Mix Filter 1 Mix Filter 2 RF GND V Band IN
AFT APC
V MIX
Video O...