TS4994IST STMicroelectronics, TS4994IST Datasheet - Page 13

• Manufacturer Part Number: TS4994IST
• Description: IC AMP AUDIO PWR 1W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4994IST

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Differential Inputs, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: 497-6396 - BOARD EVAL FOR LV TS4984IQT497-6395 - BOARD EVAL FOR LP DIFF TS4994IQT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4452-2

TS4994
Figure 27. PSRR vs. frequency
Figure 29. PSRR vs. frequency
Figure 31. PSRR vs. common mode input
-100
-110
-120
-100
-110
-120
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
0
0
0
20
20
0
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Grounded
Av = 2.5, Cin = 4.7 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 3.3V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k Ω
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 5V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL ≥ 8 Ω
Tamb = 25 ° C
voltage
100
100
1
Common Mode Input Voltage (V)
Cb=0
Cb=1 μ F
Frequency (Hz)
Frequency (Hz)
2
Cb=1 μ F
Cb=0.47 μ F
Cb=1 μ F
Cb=0.47 μ F
Cb=0.1 μ F
Cb=0.47 μ F
1000
1000
Cb=0.1 μ F
3
Cb=0.1 μ F
4
Cb=0
10000
10000
Cb=0
20k
20k
5
Figure 28. PSRR vs. frequency
Figure 30. PSRR vs. frequency
Figure 32. PSRR vs. common mode input
-100
-110
-120
-100
-110
-120
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
0
0
0
20
20
0.0
Vcc = 5V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k Ω
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Floating
Rfeed = 20k Ω
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 3.3V
Vripple = 200mVpp
Inputs Grounded
F = 217Hz
Av = 1
RL ≥ 8 Ω
Tamb = 25 ° C
voltage
0.6
100
100
Common Mode Input Voltage (V)
Cb=0
1.2
Frequency (Hz)
Frequency (Hz)
Cb=1 μ F
Cb=1 μ F
Electrical characteristics
Cb=1 μ F
Cb=0.47 μ F
Cb=0.1 μ F
Cb=0.47 μ F
Cb=0.47 μ F
1000
1000
1.8
Cb=0.1 μ F
Cb=0.1 μ F
2.4
10000
10000
Cb=0
Cb=0
3.0
13/35
20k
20k