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参数资料
| 型号： | TS4956EIJT |
| 厂商： | 意法半导体 |
| 英文描述： | Stereo audio amplifier system with I2C bus interface |
| 中文描述： | 立体声与I2C总线接口，音频放大器系统 |
| 文件页数： | 2/51页 |
| 文件大小： | 1506K |
| 代理商： | TS4956EIJT |
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Absolute maximum ratings & operating conditions
TS4956
2/51
1
Absolute maximum ratings & operating conditions
Table 1.
Table 2.
Table 3.
Symbol
I
2
CV
CC
V
ILl
V
IH
Absolute maximum ratings (AMR)
Symbol
Parameter
Value
Unit
V
CC
V
i
T
oper
T
stg
T
j
R
thja
P
diss
Supply voltage
(1)
Input voltage
(2)
Operating free air temperature range
Storage temperature
Maximum junction temperature
Thermal resistance junction to ambient
(3)
Power dissipation
Susceptibility - human body model
(5)
Susceptibility - machine model
Latch-up immunity
Lead temperature (soldering, 10sec)
1.
2.
3.
4.
5.
All voltage values are measured with respect to the ground pin.
The magnitude of input signal must never exceed V
CC
+ 0.3V / GND - 0.3V
Device is protected in case of over temperature by a thermal shutdown activated at 150°C.
Exceeding the power derating curves during a long period may involve abnormal operating conditions.
Human body model, 100 pF discharged through a 1.5 k
resistor, into pin to V
CC
device
6
V
V
°C
°C
°C
G
ND
to V
CC
-40 to + 85
-65 to +150
150
200
Internally limited
(4)
2
150
200
260
°C/W
ESD
kV
V
mA
°C
Latch-up
Operating conditions
Symbol
V
CC(1)
Parameter
Value
Unit
1.
For proper functionality of I2C bus, V
CC
pins must not be grounded. ESD protection diodes ground data
and clock wires and cause dysfunction of I
2
C bus in this condition.
With heat sink surface 120mm
2
Supply voltage
Load resistor
Speaker/BTL output (modes 1,2,7)
Headphone, MLO output (modes 3,4,5,6,)
Load capacitor
R
L
= 8
to 100
(
Speaker/BTL output - modes 1,2,7)
R
L
= 16
to 100
(Headphone, MLO output - modes
3,4,5,6)
R
L
> 100
Flip-chip thermal resistance junction to ambient
2.7 to 5.5V
V
R
L
≥
8
≥
16
C
L
500
400
100
90
(2)
pF
R
thja
2.
°C/W
I2C electrical characteristics
Parameter
Value
Unit
I2C supply voltage
(1)
Maximum low level input voltage on pins SDA, SCL
Minimum high level input voltage
Maximum input current (pins SDA, SCL), 0.4V < V
in
< 4.5V
SCL maximum clock frequency
Max low level output voltage, SDA pin, I
sink
= 3mA
1.
Must be less or equal than power supply voltage V
CC
of the device
2.7V to 5.5V
0.3 I2CVCC
0.7 I2CVCC
10
400
0.4
V
V
V
μA
kHz
V
I
IN
F
SCL
V
ol
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