TDA4661 Datasheet, PDF (4/6 Pages) NXP Semiconductors – Baseband delay line

Philips Semiconductors
Baseband delay line
Product specification
TDA4661
CHARACTERISTICS
V_P = 5.0 V; input signals as specified in characteristics with 75% colour bars; super-sandcastle frequency of
15.625 kHz; T_amb = +25 °C; measurements taken in Fig.3 unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX.
V_P1
supply voltage (analog part; pin 9)
V_P2
supply voltage (digital part; pin 1)
I_P1
supply current
I_P2
supply current
4.5
5
6
4.5
5
6
−
4.2
6.0
−
0.7
1.0
Colour-difference input signals
V_I
input signal (peak-to-peak value)
±(R−Y) PAL and NTSC (pin 16)
±(B−Y) PAL and NTSC (pin 14)
±(R−Y) SECAM (pin 16)
note 1
±(B−Y) SECAM (pin 14)
note 1
−
525
−
−
665
−
−
1.05
−
−
1.33
−
V_I(max)
maximum symmetrical input signal
(peak-to-peak value)
R_{14, 16}
C_{14, 16}
V_{14, 16}
±(R−Y) or ±(B−Y) for PAL and NTSC
±(R−Y) or ±(B−Y) for SECAM
input resistance
input capacitance
input clamping voltage
before clipping
before clipping
proportional to V_P
1
−
−
2
−
−
−
−
40
−
−
10
1.3
1.5
1.7
Colour-difference output signals
V_O
output signal (peak-to-peak value)
±(R−Y) on pin 11
all standards
−
±(B−Y) on pin 12
all standards
−
V₁₁/V₁₂
ratio of output amplitudes at equal input V_{I14, 16} = 1.33 V (p-p)
signals
−0.4
1.05
1.33
0
−
−
+0.4
V_{11, 12}
DC output voltage
proportional to V_P
2.5
2.9
R_{11, 12}
output resistance
−
330
G_v
gain for PAL and NTSC
ratio V_O/V_I
5.3
5.8
gain for SECAM
ratio V_O/V_I
−0.6
−0.1
V_n/V_n+1 ratio of output signals on pins 11 and 12 V_{I14, 16} = 1.33 V (p-p); −0.1
0
for adjacent time samples at constant SECAM signals
input signals
V_n
noise voltage
(RMS value; pins 11 and 12)
V_{I14, 16} = 0 V; note 2
−
−
S/N(W) weighted signal-to-noise ratio
V_O = 1 V (p-p); note 2 −
54
t_d
delay of delayed signals
63.94 64.0
delay of non-delayed signals
40
60
t_tr
transient time of delayed signal on
300 ns transient of
−
350
pins 11 respectively 12
SECAM signal
transient time of non-delayed signal on 300 ns transient of
−
320
pins 11 respectively 12
SECAM signal
3.3
400
6.3
+0.4
+0.1
1.2
−
64.06
80
−
−
UNIT
V
V
mA
mA
mV
mV
V
V
V
V
kΩ
pF
V
V
V
dB
V
Ω
dB
dB
dB
mV
dB
µs
ns
ns
ns
December 1994
5