參數(shù)資料
型號(hào): TDA7318
廠商: 意法半導(dǎo)體
英文描述: Digital Controlled Stereo Audio Processor(數(shù)控立體聲音頻處理器)
中文描述: 數(shù)控立體聲音頻處理器(數(shù)控立體聲音頻處理器)
文件頁(yè)數(shù): 5/14頁(yè)
文件大?。?/td> 248K
代理商: TDA7318
ELECTRICALCHARACTERISTICS
(continued)
Symbol
AUDIO OUTPUTS
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
OCL
R
L
C
L
R
OUT
V
OUT
ClippingLevel
Output Load Resistance
Output Load Capacitance
Output resistance
DC Voltage Level
d = 0.3%
2
2
2.5
Vrms
K
nF
V
10
120
4.8
30
4.2
75
4.5
GENERAL
e
NO
Output Noise
BW = 20-20KHz, flat
output muted
all gains = 0dB
A curve all gains = 0dB
all gains = 0dB; V
O
= 1Vrms
A
V
= 0, V
IN
= 1Vrms
A
V
= -20dB V
IN
= 1Vrms
V
IN
= 0.3Vrms
2.5
5
3
106
0.01
0.09
0.04
103
0
0
15
μ
V
μ
V
μ
V
dB
%
%
%
dB
dB
dB
S/N
d
Signal to Noise Ratio
Distortion
0.1
0.3
Sc
Channel Separation left/right
Total Tracking error
80
A
V
= 0 to -20dB
-20 to -60 dB
1
2
BUS INPUTS
V
IL
V
IH
I
IN
V
O
Input Low Voltage
Input High Voltage
Input Current
Output Voltage SDA
Acknowledge
1
V
V
μ
A
V
3
-5
+5
0.4
I
O
= 1.6mA
Notes:
(1) Bass and Treble response see attached diagram (fig.19).The center frequency andquality ofthe resonance behaviour can be choosen by
the external circuitry. A standard firstorder bassresponse can be realized by a standard feedbacknetwork
(2) The selected input is grounded thru the 2.2
μ
F capacitor.
Figure1:
Noisevs. Volume/GainSettings
Figure 2:
Signalto Noise Ratio vs. Volume
Setting
TDA7318
5/14
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