參數(shù)資料
型號: TDA7514
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): 20/74頁
文件大小: 604K
代理商: TDA7514
TDA7514
20/74
Notes:
1.
All thresholds are measured using a pulse with T
R
= 2
μ
s, T
HIGH
= 2
μ
s and T
F
= 10
μ
s. The repetition rate must
not increase the
PEAK voltage.
2. By design/characterization functionally guaranteed through dedicated test mode structure
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
ADJMP
Noise rectifier adjustment
through Multipath (2)
Signal PEAK in Testmode
00
0.3
V/ms
01
0.5
V/ms
10
0.7
V/ms
11
0.9
V/ms
AM Noise Blanker
T
D
AM delay time
128
μ
s
f
c
Corner frequency of AM
delay filter
4
kHz
AM config
AM configuration
Old mode (signal dependant
threshold)
Noise dependent threshold
New mode (fixed threshold),
STDInGain must be 0.5dB
140
%
fc
HP
AM Noise Detector High
Pass Frequency
0
10
kHz
1
20
kHz
AM Noise Detector High
Pass Filter Order
0
1
st
order
1
2
nd
order
TSAM
Suppression Pulse
Duration AM Signal
HOLDN in Testmode
00
1.2
ms
01
800
μ
s
10
1.0
ms
11
640
μ
s
Table 8. Quality Actuators
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Stereo Blend
Vsb
ST
Vsb control voltage for full
stereo
5
V
V
SBL
VSBL = 2V + (“d” factor) * 3V
see below
d
VSB Control Voltage for Full
Mono
d factor
000
29
%
001
33
%
010
38
%
011
42
%
100
46
%
101
50
%
110
54
%
111
58
%
Table 7. (continued)
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