TS4990IQT STMicroelectronics, TS4990IQT Datasheet - Page 11
TS4990IQT
Manufacturer Part Number
TS4990IQT
Description
IC AMP AUDIO PWR 1.2W MONO 8DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4990IST.pdf
(32 pages)
Specifications of TS4990IQT
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-DFN
For Use With
497-6383 - BOARD DEMO FOR TS4990
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-5200-2
TS4990IQT
TS4990IQT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TS4990IQT
Manufacturer:
ST
Quantity:
65 100
Part Number:
TS4990IQT
Manufacturer:
ST
Quantity:
20 000
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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