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TDA7407D Datasheet, PDF (7/34 Pages) STMicroelectronics – ADVANCED CAR SIGNAL PROCESSOR
TDA7407D
Table 6. Electrical Characteristics (continued)
(VS = 9V; Tamb = 25°C; RL = 10KΩ; all gains = 0dB; f = 1KHz; unless otherwise specified)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
SC Channel separation Left/Right
ET Total Tracking Error
BUS INPUTS
AV = 0 to -20dB
AV = -20 to -60dB
80
100
dB
-1
0
1
dB
-2
0
2
dB
VIL Input Low Voltage
d = 0.3%
0.8
V
VIH Input High Voltage
2.5
V
IIN Input Current
) VO Output Voltage SDA
t(s 1) The SM pin is active low (Mute = 0)
2) See note in Programming Part
VIN = 0.4V
IO = 1.6mA
-5
5
µA
0.4
V
duc 4.2 STEREODECODER PART.
ro ) Table 7. Electrical Characteristics
P t(s (VS = 9V; deemphasis time constant = 50µs,VMPX = 500mV(75KHz deviation), fm= 1KHz, Gv = 6dB,
te c Tamb = 25°C; unless otherwise specified)
le du Symbol
so ro Vin
b P Rin
- O te GMIN
) le GMAX
t(s o GSTEP
c bs SVRR
u O α
d - THD
Pro t(s) S------N+-----N---
Parameter
MPX Input Level
Input Resistance
Min. Input Gain
Max. Input Gain
Step Resolution
Supply Voltage Ripple Rejection
Max. channel Separation
Total Harmonic Distortion
Signal plus Noise to Noise Ratio
Test Condition
Gv = 3.5dB
Vripple = 100mV; f = 1KHz
A-weighted, S = 2VRMS
Min.
70
1.5
8.5
1.75
35
30
80
Typ.
0.5
100
3.5
11
2.5
60
50
0.02
91
Max.
1.25
130
4.5
12.5
3.25
0.3
Unit
VRMS
KΩ
dB
dB
dB
dB
dB
%
dB
te c MONO/STEREO-SWITCH
le du VPTHST1 Pilot Threshold Voltage
so ro VPTHST0 Pilot Threshold Voltage
b P VPTHMO1 Pilot Threshold Voltage
O te VPTHMO0 Pilot Threshold Voltage
le PLL
o ∆f/f Capture Range
bsDEEMPHASIS and HIGHCUT
O tHC50 Deemphasis Time Constant
for Stereo, PTH = 1
for Stereo, PTH = 0
for Mono, PTH = 1
for Mono, PTH = 1
Bit 7, Subadr, 10 = 0,
10
15
25
mV
15
25
35
mV
7
12
17
mV
10
19
25
mV
0.5
%
25
50
75
µs
VLEVEL >> VHCH
tHC75 Deemphasis Time Constant
Bit 7, Subadr, 10 = 1,
VLEVEL >> VHCH
50
75
100
µs
tHC50 Highcut Time Constant
Bit 7, Subadr, 10 = 0,
VLEVEL >> VHCL
100 150 200
µs
tHC75 Highcut Time Constant
Bit 7, Subadr, 10 = 1,
VLEVEL >> VHCL
150 225 300
µs
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