SAA7373 Datasheet, PDF (44/60 Pages) NXP Semiconductors – Digital servo processor and Compact Disc decoder CD7

Philips Semiconductors
Digital servo processor and Compact Disc
decoder (CD7)
Product specification
SAA7373
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Servo analog part (V_DDA = 5 V; V_SSA = 0 V; T_amb = 25 °C)
PINS D1 TO D4, R1, R2, V_RH, V_RL AND I_refT
I_refT
R_IrefT
V_IrefT
input reference current
external resistor on pin 10
voltage on reference
current input
I_D(max)
maximum input current for note 2
central diode input signal
I_R(max)
maximum input current for note 2
satellite diode input signal
V_RL
LOW level reference voltage
V_RH
HIGH level reference
output state 0; note 3
voltage
output state v; note 3
output state 31;
note 3
(THD+N)/S total harmonic distortion plus at 0 dB; note 4
noise
S/N
signal-to-noise ratio
PSRR
G_tol
∆G_v
power supply ripple rejection note 5
at V_DDA2
gain tolerance
note 6
variation of gain between
channels
α_cs
channel separation
Digital inputs
1.935
220
−
3.871
1.935
0
−
−30%
−
−
−
−
−12
−
−
−
5.45
−
620
1.2
−
−
10.9
−
5.45
0
0.5
0.5 × 10^v/44.4
2.5
0
−
+30%
−
−50
−45
55
−
45
−
0
+12
−
2
60
−
INPUTS: RESET, V1, V2, SELPLL (CMOS INPUT WITH PULL-UP RESISTOR AND HYSTERESIS)
V_thr(sw)
switching voltage threshold
rising
−
−
V_thf(sw)
switching voltage threshold
falling
0.2V_DDD
−
V_hys
hysteresis voltage
−
0.33V_DDD
R_I(pu)
input pull-up resistance
V_i = 0 V
−
50
C_in
input capacitance
−
−
t_resL
reset pulse width
(active LOW)
RESET only
1
−
0.8V_DDD
−
−
−
10
−
INPUTS: SCL, RAB, SILD AND RCK (CMOS INPUT)
V_IL
LOW level input voltage
V_IH
HIGH level input voltage
I_LI
input leakage current
V_i = 0 − V_DD
C_in
input capacitance
−0.3
−
0.7V_DD
−
−10
−
−
−
0.3V_DD
V_DD + 0.3
+10
10
UNIT
µA
kΩ
V
µA
µA
V
V
V
V
dB
dB
dB
%
%
dB
V
V
V
kΩ
pF
µs
V
V
µA
pF
1998 Jul 06
44