TS4973EIJT Ver la hoja de datos (PDF) - STMicroelectronics
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TS4973EIJT
STMicroelectronics
TS4973EIJT Datasheet PDF : 19 Pages
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TS4973
Application Schematic
1 Application Schematic
Figure 1: Typical application schematic
VCC
Cs
6
Audio
Inputs
Cin1 Rin
1 In1
Cin2
Gain Setting level
threshold = 0.9V
7 In2
9 Gain Setting
3 Bypass
-
Vout 1 8
+
-
AV = -1
+
Vout 2 4
RL
8 Ohms
Standby level
threshold = 0.9V
5 Standby Bias
TS4973
Cb
) 2
ct(s Table 1: Absolute maximum ratings
du Symbol
Parameter
Value
ro VCC Supply voltage 1
P Vi
te Toper
le Tstg
so Tj
b Rthja
O Pd
Input Voltage 2
Operating Free Air Temperature Range
Storage Temperature
Maximum Junction Temperature
Thermal Resistance Junction to Ambient 3
Power Dissipation
) - ESD
t(s ESD
Human Body Model 5
Machine Model (min. Value)
Latch-up Latch-up Immunity
uc Lead Temperature (soldering, 10sec)
6
GND to VCC
-40 to + 85
-65 to +150
150
200
Internally Limited 4
1
200
200
250
d 1) All voltages values are measured with respect to the ground pin.
ro 2) The magnitude of input signal must never exceed VCC + 0.3V / GND - 0.3V
P 3) Device is protected in case of over temperature by a thermal shutdown active @ 150°C.
4) Exceeding the power derating curves during a long period, may involve abnormal operating condition.
te 5) Minimum value. Human body model, 100pF discharged through a 1.5kOhm resistor, into pin to Vcc device.
le Table 2: Operating conditions
so Symbol
ObVCC
Parameter
Supply Voltage
Value
2.8 to 5.5
Unit
V
V
°C
°C
°C
°C/W
kV
V
mA
°C
Unit
V
VSTB
Standby Voltage Input:
Device ON
Device OFF
1.5 ≤ VSTB ≤ VCC
V
GND ≤ VSTB ≤ 0.4
VGS
Gain Setting Voltage Input:
External Gain (In1 Input)
Internal Gain (In2 Input)
1.5 ≤ VSTB ≤ VCC
V
GND ≤ VSTB ≤ 0.4
RL Load Resistor
≥4
Ω
Rthja Thermal Resistance Junction to Ambient 1
90
°C/W
1) With Heat Sink Surface = 125mm2
2/19
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