TDA7411 Datasheet, PDF (20/43 Pages) STMicroelectronics – ADVANCED CAR SIGNAL PROCESSOR

TDA7411
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
V_{RECT DEV} deviation dependent
rectifier Voltage ³⁾
Test Condition
means. with
V_MPX = 500mV
(75KHz dev.)
OVD = 11
OVD = 10
OVD = 01
OVD = 00
V_{RECT FS} Fieldstrength Controlled
Rectifier Voltage ⁴⁾
T_S Suppression Pulse
Duration ⁵⁾
means. with
V_MPX = 0mV
V_LEVEL << V_SBL
(fully mono)
Signal HOLDNin Testmode
FSC = 11
FSC = 10
FSC = 01
FSC = 00
BLT = 00
BLT = 10
V_RECTADJ Noise Rectifier discharge
adjustment ⁶⁾
Signal PEAK in Testmode
SR_PEAK Noise Rectifier Charge
Signal PEAK in Testmode
V_ADJMP Noise Rectifier adjustment Signal PEAK in Testmode
through Multipath ⁸⁾
BLT = 01
BLT = 00
NRD = 00 ⁶⁾
NRD = 01 ⁶⁾
NRD = 10 ⁶⁾
NRD = 11 ⁶⁾
PCH = 0 ⁷⁾
PCH = 1 ⁷⁾
MPNB = 00 ⁸⁾
MPNB = 01 ⁸⁾
MPNB = 10 ⁸⁾
MPNB = 11 ⁸⁾
Min.
0.5
0.9
1.7
2.5
0.5
0.9
1.7
2.1
(c)
(c)
(c)
(c)
(c)
(c)
(c)
(c)
(c)
(c)
Typ.
0.9(off)
1.2
2.0
2.8
0.9(off)
1.4
1.9
2.4
38
32
25.5
22
0.3
0.8
1.3
2.0
10
20
0.3
0.5
0.7
0.9
Max.
1.3
1.5
2.3
3.1
1.3
1.5
2.3
3.1
(c)
(c)
(c)
(c)
(c)
(c)
(c)
(c)
(c)
(c)
Unit
V_OP
V_OP
V_OP
V_OP
V
V
V
V
µs
µs
µs
µs
V/ms
V/ms
V/ms
V/ms
mV/µs
mV/µs
V/ms
V/ms
V/ms
V/ms
(c) = by design/characterization functionally guaranteed through dedicated test mode structure
0) All Thresholds are measured using a pulse with TR =2µs, THIGH = 2µs and TF = 10µs. The repetition rate must not increase the PEAK
voltage.
Figure 14. Timing
VIN
VOP
DC
D97AU636
TR THIGH
TF
Time
1) NBT represents the Noiseblanker Byte bits D₂, D₀ for the noise blanker trigger threshold
2) NAT represents the Noiseblanker Byte bit pair D4, D3 for the noise controlled triggeradjustment
3) OVD represents the Noiseblanker Byte bit pair D₇, D₆ for the over deviation detector
4) FSC represents the Fieldstrength Byte bit pair D1, D0 for the fieldstrength control
5) BLT represents the Speaker RR Byte bit pair D₇, D₆ for the blanktime adjustment
6) NRD represents the Configuration-Byte bit pair D₁, D₀ for the noise rectifier discharge-adjustment
7) PCH represents the Stereodecoder-Byte bit D₅ for the noise rectifier charge-current adjustment
8) MPNB represents the HighCut-Byte bit D₇ and the Fieldstrength-Byte D₇ for the noise rectifier multipath adjustment
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