U4083B Datasheet, PDF (5/16 Pages) TEMIC Semiconductors – Low-Power Audio Amplifier for Telephone Applications

U4083B
3.5 Layout Considerations
Normally, a snubber is not needed at the output of the IC, unlike many other audio amplifiers.
However, the PC-board layout, stray capacitances, and the manner in which the speaker wires
are configured may dictate otherwise. Generally, the speaker wires should be twisted tightly,
and should not be more than a few cm (or inches) in length.
4. Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Reference point pin 7, T_amb = 25° C unless otherwise specified.
Parameters
Symbol
Value
Unit
Supply voltage
Pin 6
V_S
–1.0 to +18
V
Voltages
Disabled
Pins 1, 2, 3 and 4
Pins 5 and 8
–1.0 to (V_S + 1.0)
V
–1.0 to (V_S + 1.0)
V
Output current
Pins 5 and 8
±250
mA
Junction temperature
T_j
+140
°C
Storage temperature range
T_stg
–55 to +150
°C
Ambient temperature range
T_amb
–20 to +70
°C
Power dissipation SO8: T_amb = 60°C
P_tot
440
mW
5. Thermal Resistance
Parameters
Junction ambient
SO8
Symbol
R_thJA
Value
180
Unit
K/W
6. Recommended Operating Conditions
Parameters
Symbol
Value
Unit
Supply voltage
Pin 6
V_S
2 to 16
V
Load impedance
Pins 5 to 8
R_L
8.0 to 100
Ω
Load current
I_L
±200
mA
Differential gain (5.0 kHz bandwidth)
DG
0 to 46
dB
Voltage at CD
Pin 1
V_CD
V_S
V
Ambient temperature range
T_amb
–20 to +70
°C
5
4655C–CORD–03/06