TDA7407 STMicroelectronics, TDA7407 Datasheet - Page 17

• Manufacturer Part Number: TDA7407
• Description: IC PROCESSOR CAR SIGNAL 44TQFP
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7407

• Applications: Automotive Audio
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3979

TDA7407
4
Noise blanker part
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Table 7.
V
V
V
Symbol
V
RECT DEV
TRNOISE
RECT FS
V
RECT
TR
internal 2
programmable trigger threshold
trigger threshold dependent on high frequency noise with programmable gain
additional circuits for deviation and fieldstrength dependent trigger adjustment
very low offset current during hold time due to opamps wMOS inputs
four selectable pulse suppression times
programmable noise rectifier charge/discharge current
Trigger threshold
Noise controlled
trigger threshold
Rectifier voltage
Deviation dependent
rectifier voltage
Fieldstrength
controlled rectifier
voltage
Noise blanker electrical characteristics
nd
Parameter
order 140kHz high pass filter
(5)
(4)
(3)
(1) (2)
meas. with V
= 0.9V
meas. with V
= 1.5V
V
V
V
means. with
V
(75KHz dev.)
means. with
V
V
(fully mono)
MPX
MPX
MPX
MPX
MPX
LEVE
Test condition
= 0mV
= 50mV; f = 150KHz
= 200mV; f = 150KHz
= 800mV
= 0mV
L << V
SBL
PEAK
PEAK
NRD
NBT = 111
NBT = 110
NBT = 101
NBT = 100
NBT = 011
NBT = 010
NBT = 001
NBT = 000
NCT = 00
NCT = 01
NCT = 10
NCT = 11
OVD = 11
OVD = 10
OVD = 01
OVD = 00
FSC = 11
FSC = 10
FSC = 01
FSC = 00
(7)
= 00
Min.
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
0.5
0.5
1.5
2.2
0.5
0.9
1.7
2.5
0.9
1.7
2.1
0.9(off)
0.9(off)
Typ.
Noise blanker part
260
220
180
140
0.9
1.7
2.5
1.2
2.0
2.8
1.4
1.9
2.4
30
35
40
45
50
55
60
65
Max.
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
(10)
1.3
2.1
2.9
1.3
1.5
2.3
3.1
1.3
1.5
2.3
3.1
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
Unit
V
V
V
V
17/46
V
V
V
V
V
V
V
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP