TDA4566 查看數據表（PDF） - Philips Electronics
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TDA4566 Datasheet PDF : 11 Pages
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Philips Semiconductors
Colour transient improvement circuit
APPLICATION INFORMATION
Preliminary specification
TDA4566
(1) Residual carrier reduced to 20 mV peak-to-peak (R = 1 kΩ, C = 100 pF).
(2) Switching sequence for delay times shown in Table 1.
(3) R14−18 = 1.2 kΩ for TDA4566.
R14−18 = 1.15 kΩ for TDA4566A (27 kΩ resistor connected in parallel to 1.2 kΩ).
Fig.3 Application diagram and test circuit.
Table 1 Switching sequence for delay times.
CONNECTION (2)
(a)
(b)
(c)
VOLTAGE AT PIN 15
0
0
0
0 to 2.5 V
0
0
X
3.5 to 5.5 V
0
X
X
6.5 to 8.5 V
X
X
X
9.5 to 12 V
Notes
1. When switch (S1) is closed the delay time is increased by 37 ns.
2. Where: X = connection closed; 0 = connection open.
March 1991
9
DELAY TIME (ns) (1)
550
640
730
820
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