E-TDA7406 STMicroelectronics, E-TDA7406 Datasheet - Page 31

• Manufacturer Part Number: E-TDA7406
• Description: Audio DSPs CAR RADIO SIGNAL
• Manufacturer: STMicroelectronics

Specifications of E-TDA7406

• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-44
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7406
6
6.1
6.2
Table 6.
V
Symbol
V
RECT
V
TRNOISE
V
RECT
TR
DEV
Trigger Threshold
noise controlled
Trigger Threshold
Rectifier Voltage
Deviation dependent
Rectifier Voltage
Noise blanker part
Features:
●
●
●
●
●
●
●
●
Noise blanker electrical characteristics
Noise blanker electrical characteristics
All parameters measured in FM mode if not otherwise specified.
AM and FM mode
internal 2nd order 140kHz high-pass filter for MPX path
internal rectifier and filters for AM-IF path
programmable trigger thresholds
trigger threshold dependent on high frequency noise with programmable gain
additional circuits for deviation- and fieldstrength-dependent trigger adjustment
4 selectable pulse suppression times for each mode
programmable noise rectifier charge/discharge current
Parameter
(1)
meas.with
V
meas.with
V
V
V
V
meas.with
V
(75kHz dev.)
PEAK
PEAK
MPX
MPX
MPX
MPX
=0mV
=50mV, f=150kHz
=200mV, f=150kHz
=500mV
=0.9V
=1.5V
Test conditions
111
110
101
100
011
010
001
000
11
10
01
00
00
01
10
11
Min.
0.5
1.5
0.5
0.9
1.7
2.5
2
0.9 (off)
Typ.
260
220
180
140
0.9
1.7
2.5
1.2
2.0
2.8
30
35
40
45
50
55
60
65
Noise blanker part
Max.
1.3
2.1
2.9
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
31/64
V
V
V
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP
OP