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TDA7336 Datasheet(PDF) 6 Page - STMicroelectronics

Part # TDA7336
Description  STEREO PREAMP AMS DOLBY B* NOISE REDUCTION PROCESSOR
PDF  20 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7336 Datasheet(HTML) 6 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (VS = 8.5V; f= 1KHz;Rg =600
Ω Tamb =25°C; R11 = 43KΩ
all level referenced
to -6dBm/400Hz, at Dout with NR SW OFF; unless otherwise specified
see application circuit of Fig. 1) NAB METAL position.
SUPPLY
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
8
8.5
10.5
V
IS
Supply Current
11
18
26
mA
Vref
Reference Voltage (pin 16)
4
4.3
4.6
V
VDC
DC Voltage pin 13 (R11 = 43K)
1.15
1.25
1.35
V
SVR
Ripple Rejection
(Input Referred)
Vripple = 0.3Vrms
Dolby OFF
fripple = 1KHz
Dolby ON
80
85
90
95
dB
dB
MUTEth
Mute Threshold
Pin 10
ON
OFF
0
2.0
0.8
VS
V
V
IMUTE
Mute Current
10
20
µA
MUTEA
Mute Attenuation
55
65
dB
PREAMPLIFIER
RI
Input Resistance
(pin 2, 27)
30
50
70
K
Ω
II
Input Bias Current
10
µA
GV
Closed Loop Gain
pin 3, 4 and 25, 26 shorted
32.5
35.5
38.5
dB
∆GV
Closed Loop Gain Match
-1
1
dB
RM
Resistance Metal Position
4.35
5.8
7.25
K
Ω
RN
Resistance Normal Position
50
160
300
Ω
eN
Total Input Noise
Unw. B= 20Hz to20KHz Rg =0
Ω;
Rg =600
Ω;
A weighted
Rg =600
Ω;
0.45
0.8
0.5
µV
µV
µV
RO
Output Impedance
(Pin 5, 24)
0.9
1.2
1.7
K
Ω
EQl
Normal Low Level (pin 28)
0
1.5
V
EQh
Metal High Level (pin 28)
3.5
VS
V
∆RM
Metal Resistance Matching
–2
0
+2
%
AUDIO MUSIC SENSOR
IAMSOUT
AMS Output Current
5
mA
VAMSOUT
AMS Output Low Level
IAMOUT = 2mA
200
800
mV
RP20
Input Impedance
0.8
1.1
1.4
K
Ω
AMSswl
AMS OFF Low Level
0
0.8
V
AMSswh
AMS ON High Level
2
VS
V
VTH1
Interprogram Threshold Voltage
(pin 8)
1.2
1.45
1.7
V
VTH2
Interspace Threshold Voltage
(pin 9)
4
4.3
4.6
V
AMSth
AMS Threshold Level
see note (3)
0.6
1
1.4
V
IAMSsw
AMS Switch pin Current
5
10
15
µA
DOLBY SECTION
GV
Voltage Gain
f = 1KHz;
OFF
-1
0
1
dB
∆GV
Gain Matching
OFF
-0.5
0.5
dB
RDI
Dolby Input Res.
(pin 6, 23)
46
63
K
Ω
S/H
Signal Handling
VS = 8V; THD = 1%
OFF
12
13
dB
RDO
Dolby Output Imp.
(pin 12, 17)
100
200
300
Ω
B DEC 1
Decode Out
f = 10KHz; VI = 0.4dB
ON
-1.5
0
1.5
dB
TDA7336
6/20



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