TS4994IST STMicroelectronics, TS4994IST Datasheet - Page 12

IC AMP AUDIO PWR 1W MONO 8MSOP

TS4994IST

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

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TS4994IST
Manufacturer:
ST
0
Part Number:
TS4994IST
Manufacturer:
ST
Quantity:
20 000
Electrical characteristics
12/35
Figure 21. Closed loop gain vs. frequency
Figure 23. PSRR vs. frequency
Figure 25. PSRR vs. frequency
-10
-20
-30
-40
10
-100
-110
-120
-100
-110
-120
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.1
0
0
Vcc = 2.6V
Av = 1
ZL = 8 Ω + 500pF
Tamb = 25 ° C
20
20
Gain
Vcc = 3.3V
Vripple = 200mVpp
Inputs = Grounded
Av = 1, Cin = 4.7 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 5V
Vripple = 200mVpp
Inputs = Grounded
Av = 2.5, Cin = 4.7 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
1
100
100
Frequency (kHz)
10
Cb=1 μ F
Frequency (Hz)
Frequency (Hz)
Cb=1 μ F
Cb=0.47 μ F
Cb=0.47 μ F
100
1000
1000
Cb=0.1 μ F
Phase
Cb=0.1 μ F
1000
Cb=0
10000
10000
Cb=0
10000
0
-40
-80
-120
-160
-200
20k
20k
Figure 22. PSRR vs. frequency
Figure 24. PSRR vs. frequency
Figure 26. PSRR vs. frequency
-100
-110
-120
-100
-110
-120
-100
-110
-120
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
0
20
20
20
Vcc = 5V
Vripple = 200mVpp
Inputs = Grounded
Av = 1, Cin = 4.7 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 2.6V
Vripple = 200mVpp
Inputs = Grounded
Av = 1, Cin = 4.7 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 3.3V
Vripple = 200mVpp
Inputs = Grounded
Av = 2.5, Cin = 4.7 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
100
100
100
Cb=1 μ F
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Cb=1 μ F
Cb=1 μ F
Cb=0.47 μ F
Cb=0.47 μ F
Cb=0.47 μ F
1000
1000
1000
Cb=0.1 μ F
Cb=0.1 μ F
Cb=0.1 μ F
Cb=0
10000
10000
10000
Cb=0
Cb=0
TS4994
20k
20k
20k

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