tda4661 NXP Semiconductors, tda4661 Datasheet

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tda4661

Manufacturer Part Number
tda4661
Description
Baseband Delay Line
Manufacturer
NXP Semiconductors
Datasheet

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Philips Semiconductors
FEATURES
QUICK REFERENCE DATA
ORDERING INFORMATION
December 1994
V
V
I
V
G
P(tot)
Two comb filters, using the switched-capacitor
technique, for one line delay time (64 s)
Adjustment-free application
No crosstalk between SECAM colour carriers (diaphoty)
Handles negative or positive colour-difference input
signals
Clamping of AC-coupled input signals ( (R Y) and
VCO without external components
3 MHz internal clock signal derived from a 6 MHz CCO,
line-locked by the sandcastle pulse (64 s line)
Sample-and-hold circuits and low-pass filters to
suppress the 3 MHz clock signal
Addition of delayed and non-delayed output signals
Output buffer amplifiers
Comb filtering functions for NTSC colour-difference
signals to suppress cross-colour.
P1
P2
I
Baseband delay line
v
TDA4661T
NUMBER
SYMBOL
(B Y))
TDA4661
TYPE
analog supply voltage (pin 9)
digital supply voltage (pin 1)
total supply current
gain V
(R Y) input signal PAL/NTSC (peak-to-peak value; pin 16)
(B Y) input signal PAL/NTSC (peak-to-peak value; pin 14)
(R Y) input signal SECAM (peak-to-peak value; pin 16)
(B Y) input signal SECAM (peak-to-peak value; pin 14)
V
V
V
V
NAME
DIP16
SO16
11
12
11
12
/ V
/ V
/ V
/ V
O
/ V
16
14
16
14
I
for PAL and NTSC
for PAL and NTSC
for SECAM
for SECAM
of colour-difference output signals
plastic dual in-line package; 16 leads (300 mil) long body
plastic small outline package; 16 leads; body width 3.9 mm
PARAMETER
DESCRIPTION
2
GENERAL DESCRIPTION
The TDA4661 is an integrated baseband delay line circuit
with one line delay. It is suitable for decoders with
colour-difference signal outputs (R Y) and (B Y).
PACKAGE
4.5
4.5
5.3
5.3
0.6
0.6
MIN.
5
5
4.9
525
665
1.05
1.33
5.8
5.8
0.1
0.1
TYP.
Product specification
6
6
7.0
6.3
6.3
+0.4
+0.4
MAX.
TDA4661
SOT109-1
VERSION
SOT38-4
V
V
mA
mV
mV
V
V
dB
dB
dB
dB
UNIT

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tda4661 Summary of contents

Page 1

... TDA4661T SO16 plastic small outline package; 16 leads; body width 3.9 mm December 1994 Product specification GENERAL DESCRIPTION The TDA4661 is an integrated baseband delay line circuit with one line delay suitable for decoders with colour-difference signal outputs (R Y) and (B Y). MIN. TYP. 4 ...

Page 2

... Philips Semiconductors Baseband delay line BLOCK DIAGRAM December 1994 Product specification 3 TDA4661 ...

Page 3

... December 1994 n.c. 3 GND2 4 i.c. SAND 5 6 n.c. 7 i.c. i.c. 8 Fig.2 Pin configuration. PARAMETER series resistor. PARAMETER 4 Product specification TDA4661 MEH183 n. n.c. TDA4661 GND1 MIN. MAX. UNIT +150 500 ...

Page 4

... 1.33 V (p-p); 0.1 0 I14, 16 SECAM signals note 2 I14 (p-p); note 63.94 64 300 ns transient of 350 SECAM signal 300 ns transient of 320 SECAM signal 5 Product specification TDA4661 MAX. UNIT 6 +0.4 dB 3.3 V 400 6 ...

Page 5

... Noise voltage kHz to 1 MHz The leading edge of the burst-key pulse or H-blanking pulse is used for timing. December 1994 CONDITIONS MIN. 14.2 14.2 note 3 4 300 ). I14 Product specification TDA4661 TYP. MAX. UNIT 15.625 17.0 kHz 15.625 17.0 kHz 1 ...

Page 6

... Philips Semiconductors Baseband delay line APPLICATION INFORMATION December 1994 Product specification 7 TDA4661 ...

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