TDA8732 Datasheet, PDF (8/14 Pages) NXP Semiconductors – NICAM-728 demodulator NIDEM

Philips Semiconductors
NICAM-728 demodulator (NIDEM)
Product specification
TDA8732
SYMBOL
PARAMETER
CONDITIONS
R_s
resonance resistance
C_m
motional capacitance
C_p
parallel capacitance
drive power level
note 1
CLKOSC
f_clk
oscillator frequency
BIT-RATE OSCILLATOR CRYSTAL
C_l = 15 pF
f_{PAL I}
f_{PAL B, G}
C_L
R_s
C_m
C_p
holder
nominal frequency with specified
load
PAL I
PAL B, G
vibration mode
circuit condition
adjustment tolerance on frequency
at 25 °C
temperature
frequency stability over
temperature
load capacitance
resonance resistance
motional capacitance
parallel capacitance
drive level
C_L = 15 pF
fundamental
series resonance
note 1
Outputs
CFO, SFO
R_O
V_amp
output impedance
signal amplitude (peak-to-peak
value)
f = 364 kHz
CARLPF
V_OL
V_OH
gm φ1
I_LO
LOW level output voltage
HIGH level output voltage
phase comparator
transconductance gain
output leakage current for π/4
phase shift
I_OL = 100 µA
I_OH = −100 µA
V_O = 0.4 V to
V_CCD − 1 V
CLKLPF
V_OL
LOW level output voltage
I_OL = 100 µA
MIN.
15
−
−
−
TYP.
−
21
−
−
MAX.
40
−
5
0.5
UNIT
Ω
fF
pF
mW
−
11.648 −
MHz
RW 43
−
11.648 −
MHz
−
11.648 −
MHz
−30
−
+30
10^−6
0
−
70
°C
−30
−
+30
10^−6
−
15
−
pF
15
−
40
kΩ
−
21
−
fF
−
−
5
pF
−
−
0.5
mW
−
110
200
Ω
0.8
1
−
V
−
−
0.4
V_CCD−1 V −
−
100
125
−
−5
−
5
V
V
µA/rd
µA
−
−
0.4
V
April 1993
8