TS4990IST STMicroelectronics, TS4990IST Datasheet - Page 9

• 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

TS4990
Figure 8.
Figure 10. PSRR vs. power supply
Figure 12. PSRR vs. power supply
-10
-20
-30
-40
-50
-60
-70
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
0
0
0
Vripple = 200mVpp
Av = 2
Input = Grounded
Cb = Cin = 1 μ F
RL >= 4 Ω
Tamb = 25 ° C
Vripple = 200mVpp
Rfeed = 22k Ω
Input = Floating
Cb = 1 μ F
RL >= 4 Ω
Tamb = 25 ° C
100
100
100
PSRR vs. power supply
Vripple = 200mVpp
Av = 2
Input = Grounded
Cb = 0.1 μ F, Cin = 1 μ F
RL >= 4 Ω
Tamb = 25 ° C
Vcc = 5, 3.3, 2.5 & 2.2V
1000
1000
1000
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Vcc = 2.2, 2.6, 3.3, 5V
Vcc :
2.2V
2.6V
3.3V
5V
10000
10000
10000
100000
100000
100000
Figure 9.
Figure 11. PSRR vs. power supply
Figure 13. PSRR vs. power supply
-10
-20
-30
-40
-50
-10
-20
-30
-40
-50
-60
-10
-20
-30
-40
-50
-60
-70
-80
0
0
0
Vripple = 200mVpp
Av = 10
Input = Grounded
Cb = Cin = 1 μ F
RL >= 4 Ω
Tamb = 25 ° C
Vripple = 200mVpp
Av = 5
Input = Grounded
Cb = Cin = 1 μ F
RL >= 4 Ω
Tamb = 25 ° C
Vripple = 200mVpp
Rfeed = 22k Ω
Input = Floating
Cb = 0.1 μ F
RL >= 4 Ω
Tamb = 25 ° C
100
100
100
PSRR vs. power supply
1000
1000
1000
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Vcc :
2.2V
2.6V
3.3V
5V
Vcc :
2.2V
2.6V
3.3V
5V
Vcc = 2.2, 2.6, 3.3, 5V
Electrical characteristics
10000
10000
10000
100000
100000
100000
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