TS4990IJT STMicroelectronics, TS4990IJT Datasheet - Page 11

• 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 20. PSRR vs. DC output voltage
Figure 22. Output power vs. power supply
Figure 24. PSRR at F = 217 Hz vs.
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-10
-20
-30
-40
-50
-60
-70
-30
-40
-50
-60
-70
-80
0
-2.5 -2.0 -1.5 -1.0 -0.5
0.1
RL = 4 Ω
F = 1kHz
BW < 125kHz
Tamb = 25 ° C
Av=2
Vcc:
2.6V
3.3V
5V
2.5
voltage
bypass capacitor
Differential DC Output Voltage (V)
3.0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 2
Tamb = 25 ° C
Bypass Capacitor Cb ( F)
Av=5
Vcc:
2.6V
3.3V
5V
THD+N=10%
3.5
Vcc (V)
0.0
4.0
0.5
1
4.5
THD+N=1%
1.0
1.5
Tamb=25 ° C
5.0
Av=10
Vcc:
2.6V
3.3V
5V
2.0
5.5
2.5
Figure 21. PSRR vs. DC output voltage
Figure 23. PSRR vs. DC output voltage
Figure 25. Output power vs. power supply
-10
-20
-30
-40
-50
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-10
-20
-30
-40
-50
-60
0
-2.5 -2.0 -1.5 -1.0 -0.5
0
-2.5 -2.0 -1.5 -1.0 -0.5
RL = 8 Ω
F = 1kHz
BW < 125kHz
Tamb = 25 ° C
2.5
voltage
Differential DC Output Voltage (V)
Differential DC Output Voltage (V)
3.0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 10
Tamb = 25 ° C
Vcc = 2.6V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 5
Tamb = 25 ° C
THD+N=10%
3.5
Electrical characteristics
Vcc (V)
0.0
0.0
4.0
0.5
0.5
THD+N=1%
4.5
1.0
1.0
1.5
1.5
5.0
2.0
2.0
5.5
2.5
2.5
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