TS4990IJT STMicroelectronics, TS4990IJT Datasheet - Page 13

• Manufacturer Part Number: TS4990IJT
• Manufacturer: STMicroelectronics

Specifications of TS4990IJT

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1.2x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.2@8Ohm@1W%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 6@5VmA
• Power Supply Requirement: Single
• Unity Gain Bandwidth Product (typ): 1.5MHz
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 64dB
• Single Supply Voltage (min): 2.2V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 9
• Package Type: Flip-Chip
• Lead Free Status / Rohs Status: Not Compliant

TS4990
Figure 32. Power dissipation vs. P
Figure 34. Clipping voltage vs. power supply
Figure 36. Clipping voltage vs. power supply
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
Vcc=3.3V
F=1kHz
THD+N<1%
Tamb = 25 ° C
Tamb = 25 ° C
voltage and load resistor
voltage and load resistor
2.5
2.5
0.1
RL=16 Ω
0.2
3.0
3.0
Power supply Voltage (V)
Power supply Voltage (V)
Output Power (W)
0.3
3.5
3.5
RL = 4 Ω
RL = 8 Ω
RL = 4 Ω
0.4
RL = 8 Ω
4.0
4.0
0.5
RL = 16 Ω
RL = 16 Ω
RL=8 Ω
out
RL=4 Ω
4.5
4.5
0.6
0.7
5.0
5.0
Figure 33. Power derating curves
Figure 35. Power dissipation vs. P
Figure 37. Current consumption vs. power
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
1.2
1.0
0.8
0.6
0.4
0.2
0.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
0
0
No load
Tamb=25 ° C
Vcc=2.6V
F=1kHz
THD+N<1%
supply voltage
25
No Heat sink
1
0.1
RL=16 Ω
Ambiant Temperature ( C)
Power Supply Voltage (V)
50
Output Power (W)
2
Electrical characteristics
Heat sink surface ≈ 100mm
(See demoboard)
75
0.2
RL=8 Ω
3
100
0.3
out
4
125
RL=4 Ω
2
150
0.4
5
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