SAA7374 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
SAA7374 Datasheet PDF : 60 Pages
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Philips Semiconductors
Low voltage digital servo processor and
Compact Disc decoder (CD7LV)
Product specification
SAA7374
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Servo analog part (VDDA = 3.3 V; VSSA = 0 V; Tamb = 25 °C)
PINS D1 TO D4, R1, R2, VRH, VRL AND IrefT
IrefT
RIrefT
VIrefT
input reference current
external resistor on pin 10
voltage on reference current
input
1.935
−
220
−
−
1.2
5.45
µA
620
kΩ
−
V
ID(max)
maximum input current for
central diode input signal
note 2
3.871
−
10.9
µA
IR(max)
maximum input current for
satellite diode input signal
note 2
1.935
−
5.45
µA
VRL
LOW level reference voltage
0
0
0
V
VRH
HIGH level reference voltage output state 0;
−
0.5
−
V
note 3
output state v;
−30%
0.5 × 10v/44.4 +30%
V
note 3
output state 31; −
2.5
note 3
−
V
(THD+N)/S
total harmonic distortion plus at 0 dB; note 4
−
−50
−45
dB
noise
S/N
signal-to-noise ratio
−
55
−
dB
PSRR
Gtol
∆Gv
power supply rejection at
VDDA2
gain tolerance
variation of gain between
channels
note 5
note 6
−
45
−12
0
−
−
−
dB
+12
%
2
%
αcs
channel separation
−
60
−
dΒ
Digital inputs
INPUTS: RESET, V1, V2, SELPLL (CMOS INPUT WITH PULL-UP RESISTOR AND HYSTERESIS)
Vthr(sw)
switching voltage threshold
rising
−
−
Vthf(sw)
switching voltage threshold
falling
0.2VDDD −
Vhys
RI(pu)
CI
tresL
hysteresis voltage
−
input pull-up resistance
Vi = 0 V
−
input capacitance
−
reset pulse width (active
RESET only
1
LOW)
0.33VDDD
50
−
−
INPUTS: SCL, RAB, SILD AND RCK (CMOS INPUT)
VIL
LOW level input voltage
−0.3
−
VIH
HIGH level input voltage
0.7VDD
−
ILI
input leakage current
Vi = 0 − VDD
−10
−
Cin
input capacitance
−
−
0.8VDDD V
−
V
−
V
−
kΩ
10
pF
−
µs
0.3 VDD
V
VDD + 0.3 V
+10
µA
10
pF
1998 Feb 26
44
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