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PDF TDA7407D Data sheet ( Hoja de datos )
| Número de pieza | TDA7407D | |
| Descripción | ADVANCED CAR SIGNAL PROCESSOR | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TDA7407D
ADVANCED CAR SIGNAL PROCESSOR
1 FEATURES
Figure 1. Package
■ FULLY INTEGRATED SIGNAL PROCESSOR
OPTIMIZED FOR CAR RADIO
APPLICATIONS
■ FULLY PROGRAMMABLE BY I2C BUS
t(s)■ INCLUDES AUDIOPROCESSOR, STEREO -
DECODER WITH NOISE BLANKER AND
cMULTIPATH DETECTOR
du■ PROGRAMMABLE ROLL-OFF
ro )COMPENSATION
P t(s■ NO EXTERNAL COMPONENTS
lete uc2 DESCRIPTION
so rodThe TDA7407D is the newcomer of the CSP family
introduced by TDA7460/61. It uses the same inno-
b Pvative concepts and design technologies allowing
- O tefully software programmability through I2C bus
and overall cost optimisation for the system de-
) lesigner.
ObsOoblestoelePteroPdruocdt(usc)t(-sObsoFigure 2. BLOCK DIAGRAM
SO28
Table 1. Order Codes
Part Number
TDA7407D
TDA7407DTR
Package
SO28
SO28 in Tape & Reel
The device includes a three band audioprocessor
with configurable inputs and absence of external
components for filter settings, a last generation
stereodecoder with multipath detector and a so-
phisticated stereoblend and noise cancellation cir-
cuitry.Strength points of the CSP approach are
flexibility and overall cost/room saving in the appli-
cation, combined with high performances.
April 2005
Rev. 1
1/34
1 page  
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
VOLUME CONTROL
GMAX Max Gain
13 15 17 dB
AMAX Max Attenuation
70 79
dB
ASTEP Step Resolution
0.5 1 1.5 dB
EA Attenuation Set Error
G = -20 to 20dB
-1.25
0
1.25 dB
G = -60 to 20dB
-4 0
3 dB
ET Tracking Error
t(s)VDC DC Steps
Adjacent Attenuation Steps
From 0dB to GMIN
cSOFT MUTE/AFS
duAMUTE Mute Attenuation
Pro t(s)TD Delay Time
T1
T2
te cT3
le duT4
so roVTH low Low Threshold for SM-/AFS-
b PPin1)
- O teVTH high High Threshold for SM-/AFS-Pin
) leRPD Internal Pull-up Resistor
t(s oBASS CONTROL
c bsCRANGE Control Range
u OASTEP Step Resolution
rod ) -fC Center Frequency
fC1
P t(sfC2
te c fC3
le du fC4
bso ProQBASS Quality Factor
ObsOoleteDCGAIN Bass-Dc-Gain
Q1
Q2
Q3
Q4
DC = off
2 dB
0.1 3 mV
0.5 5 mV
80 100
0.48
0.96
40.4
324
2.5
45
1
dB
ms
ms
ms
ms
V
V
KΩ
±13 ±15 ±17
0.5 1 1.5
54 60 66
63 70 77
72 80 88
90 100 110
(150)(2)
0.9 1 1.1
1.1 1.25 1.4
1.3 1.5 1.7
1.8 2 2.2
-1 0
1
dB
dB
Hz
Hz
Hz
Hz
dB
DC = on
3.5 4.4 5.5 dB
MID CONTROL
CRANGE Control Range
ASTEP Step Resolution
±13 ±15 ±17
0.5 1 1.5
dB
dB
5/34
5 Page 
Figure 5. Trigger Threshold vs.VPEAK
VTH
TDA7407D
260mV(00)
220mV(01)
180mV(10)
140mV(11)
MIN. TRIG. THRESHOLD
ct(s)8 STEPS
65mV
30mV
0.9V
D97AU648
Prodt(us)Figure 6. Deviation Controlled Trigger Adjustment
NOISE CONTROLLED
TRIG. THRESHOLD
1.5V
VPEAK(V)
lete ucVPEAK
bso Prod(VOP)
00
) - O lete2.8 01
t(s so2.0
c b 10
u O1.2
d -0.9 DETECTOR OFF (11)
Pro t(s)D97AU649
20 32.5
45
75
DEVIATION(KHz)
soleteroducFigure 7. Fieldstrength Controlled Trigger Adjustment
b PVPEAK
ObsOolete »3V
MONO
STEREO
NOISE
2.4V(00)
1.9V(01)
1.4V(10)
ATC_SB OFF (11)
0.9V
noisy signal
D97AU650
good signal
E'
11/34
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