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TDA7501STN/a1120avaiLINE-DRIVER FOR DIGITAL CARRADIO SIGNAL PROCESSOR


TDA7501 ,LINE-DRIVER FOR DIGITAL CARRADIO SIGNAL PROCESSORELECTRICAL CHARACTERISTICS (continued)Symbol Parameter Test Condition Min. Typ. Max. UnitSPEAKER OU ..
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TDA7501
LINE-DRIVER FOR DIGITAL CARRADIO SIGNAL PROCESSOR
gerTpra'
TDA7501
LlNE-DRIVER FOR DIGITAL CARRADIO
SIGNAL PROCESSOR (DSPLD)
'' INPUTS:
- QUASI DIFFERENTIAL STEREO INPUT
FOR CD
- DIFFERENTIAL STEREO INPUTS FOR
PHONE, NAVIGATION, FM, AM
- SINGLE-ENDED INPUT FOR CASSETTE
- FOUR INDEPENDENT INPUT MULTIPLEXER
AND GAIN STAGES
- ENVELOPE-DETECTOR FOR
AM-NOISEBLANKING
- MIXING OF PHONE AND NAVIGATION
- DC-CONNECTION TO DSP
- DUAL MPX INPUTS
n OUTPUTS:
- 6 OUTPUT CHANNELS WITH INDEPENDENT
VOLUME CONTROL
- 4 MAIN OUTPUT CHANNELS WITH ADDITIONAL
INPUT SELECTOR FOR PHONE AND/OR
NAVIGATION OR CD
- OUTPUTS LEVEL UP TO 4V rms
- AC-CONNECTION FROM DSP
'' DIGITAL CONTROL:
- SPl-BUS OR I20 BUS INTERFACE
(SELECTABLE)
- DIRECT MUTE FOR THE OUTPUT STAGES
AND/OR HIGH IMPEDANCE MPX MUTE
BLOCK DIAGRAM
'ttttv/tiii)))'
TQFP44
DESCRIPTION
The Linedriver handles all analog input- and out-
put-signals for the Digital Carradio Signal Proces-
sor TDA7501. The device contains four inde-
pendent input multiplexers to select the sources
for the DSP's four AD-converters. Four additional
gain stages allow an adaptation to run the ADCs
in best S/N condition.
The six outputs have independent volume stages
with a large dynamic range. Using a 12V-supply
the outputs are able to drive up to 4Vrms .
Phonemavi-Mix
SPM2C-Bus
Output-selector
-6sPKRa.
-i:irsPKitm
CassL i IP'"-'"'"'""'
Coast P- lngain
FM (y-
Tuner- Ib-
Volume -d.r SPKR2L
Gstput-stages .
-dspKR2R
MPX-RDS iy-
AM-F [Y-
FM-Level cr-
AM-Level tls-
Reference-
generators
-o SPKR3L
-ibSPKR3R
MUTE D—
PGND [—
OUTPUTREF D—
October 2001
TDA7501
SUPPLY
Symbol Parameter Test Condition Min. Typ. Max. Unit
Vdd Supply Voltage 7.5 8.3 10 V
Vp Output Supply Voltage 12 V
Isa Supply Current Vdd Vdd = 8.3V 27 mA
Isle Supply Current VP VP = 12V 5 mA
SVRR Ripple Rejection @ 1kHz 60 dB
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Voomax Operating Supply Voltage VDD 10.5 V
Vsmax Operating Supply Voltage Vs 13.0 V
Tamb Operating Temperature Range -40 to 85 ''C
Tstg Storage Temperature Range -55 to +150 "C
All pins are protected against ESD according to the MIL883 standard.
PIN CONNECTION
,-2 E a' tg, 9
_ - - r- Q -1 D: -1 a: _1 cc
8 8 8 8 2 2 2 2 2 2 2
I_| l_| i-l |_l l_| l_| i-l |_l |_l l_| f-l
/4443424140393837363534\
V33 E 1 C) 33 [l MUTE
SIGGND E 2 32 [l SDA
CassL E 3 31 Cl SCL
CassR E 4 30 [l SEL
CDL+ E 5 29 [l SPKR1L
CD- E 6 28 [l SPKR1R
g . CDR+ E 7 27 Cl SPKR2L
[is, g: PHONE+ E a 26 [l SPKR2R
E SE (',','C,',lt E 9 25 [l SPKR3L
'a-l:, t NAVI- E 10 24 Cl SPKR3R
g NAVI+ E 11 23 J OUTPUTREF
E \ 12 13 14 15 16 17 18 19 20 21 22 /
rs' |_l Ll |_J |_l ' M L] |_J ' '
'tvi-:, re-s,-,] E i:, i g &. fl a 8 fl
E hl E E t (D > > g DWAUYZOU
9 S - o.
I' I E
THERMAL DATA
Symbol Parameter Value Unit
Rm wins Thermal Resistance Junction-pins Max. 65 ''C/W
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