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TDA7407D 数据表(PDF) 7 Page - STMicroelectronics

部件名 TDA7407D
功能描述  ADVANCED CAR SIGNAL PROCESSOR
PDF  34 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7407D 数据表(HTML) 7 Page - STMicroelectronics

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