TS4990IST STMicroelectronics, TS4990IST Datasheet - Page 10

• Manufacturer Part Number: TS4990IST
• Description: IC AMP AUDIO PWR 1.2W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4990IST

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.2W x 1 @ 8 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Features: Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: 497-6383 - BOARD DEMO FOR TS4990
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4451-2

Electrical characteristics
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Figure 14. PSRR vs. DC output voltage
Figure 16. PSRR vs. DC output voltage
Figure 18. PSRR vs. DC output voltage
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-70
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0
-3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
0
0
-3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
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Differential DC Output Voltage (V)
Differential DC Output Voltage (V)
-3
Differential DC Output Voltage (V)
Vcc = 3.3V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 5
Tamb = 25 ° C
Vcc = 5V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 2
Tamb = 25 ° C
Vcc = 3.3V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 2
Tamb = 25 ° C
-2
-1
0
1
2
3
4
5
Figure 15. PSRR vs. DC output voltage
Figure 17. PSRR vs. DC output voltage
Figure 19. PSRR vs. DC output voltage
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0
-3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
0
-5
-5
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-4
Differential DC Output Voltage (V)
-3
-3
Differential DC Output Voltage (V)
Differential DC Output Voltage (V)
Vcc = 3.3V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 10
Tamb = 25 ° C
Vcc = 5V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 10
Tamb = 25 ° C
Vcc = 5V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 5
Tamb = 25 ° C
-2
-2
-1
-1
0
0
1
1
2
2
3
3
4
4
TS4990
5
5