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參數(shù)資料
| 型號： | TDA7433D |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | TONE CONTROL CIRCUIT, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 65K |
| 代理商： | TDA7433D |
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GENERAL
VS
Supply Voltage
6
9
10.2
V
IS
Supply Current
5
8
11
mA
PSRR
Power Supply Rejection Ratio
65
85
dB
eNO
Output Noise
20Hz - 20kHz ”A” - weighted
BW = 200Hz - 20kHz, flat
output muted
4
7.0
5.5
20
V
S/N
Signal to Noise Ratio
all gains = 0dB; VO = 1Vrms
102
dB
d
Distortion
VOUT = 1Vrms
0.05
0.15
%
Sc
Channel Separation
70
80
dB
ET
Total Tracking Error
AV = 0 to -20dB
AV = -20 to -60dB
0
1
2
dB
BUS INPUTS
VIL
Input Low Voltage
1V
VIH
Input High Voltage
3
V
IIN
Input Current
VIN = 0.4V
-5
+5
A
VO
Output Voltage
SDA Acknowledge
IO = 1.6mA
0.15
0.4
V
SOFTWARE SPECIFICATION
Interface Protocol
The interface protocol comprises:
– a start condition (S)
– a chip address byte (the LSB bit determines read /write transmission)
– a subaddress byte
– a sequence of data (N-bytes + acknowledge)
– a stop condition (P)
S
1
0
1
0
1
R/W ACK X
X
I
A3 A2 A1 A0 ACK
DATA
ACK P
ACK = Acknowledge
S = Start
P = Stop
MAX CLOCK SPEED 500kbits/s
Auto Increment
If bit I in the subaddress byte is set to ”1”, the autoincrement of the subaddress is enabled.
CHIP ADDRESS
MSB
LSB
SUBADDRESS
MSB
LSB
MSB
DATA 1...DATA n
LSB
TDA7433
5/10
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