參數(shù)資料
型號(hào)： TDA7513T
廠商： 意法半導(dǎo)體
英文描述： SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
中文描述： 單芯片F(xiàn)M /調(diào)幅調(diào)諧立體聲解碼器和音頻處理器
文件頁數(shù)： 16/59頁
文件大小： 520K
代理商： TDA7513T
TDA7513T
16/59
(c) = by design/characterization functionally guaranteed through dedicated test mode structure
(0) = All Thresholds are measured using a pulse with TR =2ms,THIGH = 2ms and TF = 10ms. The repetition rate must not icrease the PEAK
voltage.
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
4.5 MULTIPATH AND QUALITY DETECTORS
Table 27. Multipath And Quality Detectors
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
RECTADJ
Noise Rectifier
discharge adjustment
6)
Signal PEAK in
Testmode
NRD = 00
6)
( c )
0.3
( c )
V/ms
NRD = 01
6)
( c )
0.8
( c )
V/ms
NRD = 10
6)
( c )
1.3
( c )
V/ms
NRD = 11
6)
( c )
2
( c )
V/ms
SR
PEAK
Noise Rectifier Charge
Signal PEAK in
Testmode
PCH = 0
7)
( c )
10
( c )
mV/
μ
s
mV/
μ
s
PCH = 1
7)
( c )
20
( c )
V
ADJMP
Noise Rectifier
adjustment through
Multipath
8)
Signal PEAK in
Testmode
MPNB = 00
8)
( c )
0.3
( c )
V/ms
MPNB = 00
8)
( c )
0.5
( c )
V/ms
MPNB = 00
8)
( c )
0.7
( c )
V/ms
MPNB = 00
8)
( c )
0.9
( c )
V/ms
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
f
CMP
Center Frequency of Multipath-
Bandpass
Stereodecoder locked on Pilottone
19
kHz
G
BPMP
Bandpass Gain
bits D
2
, D
1
configuration byte = 00
6
dB
bits D
2
, D
1
configuration byte = 10
12
dB
bits D
2
, D
1
configuration byte = 01
16
dB
bits D
2
, D
1
configuration byte = 11
18
dB
G
RECTMP
Rectifier Gain
bits D
7
, D
6
configuration byte = 00
7.6
dB
bits D
7
, D
6
configuration byte = 01
4.6
dB
bits D
7
, D
6
configuration byte = 10
0
dB
bits D
7
, D
6
configuration byte = 11
off
I
CHMP
Rectifier Charge Current
bit D
5
configuration byte = 0
0.5
μ
A
bit D
5
configuration byte = 1
1
μ
A
I
DISMP
Rectifier Discharge Current
0.5
1
1.5
mA
Table 26. Noise Blanker
(continued)
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