TS4994IQT STMicroelectronics, TS4994IQT Datasheet - Page 12

• Manufacturer Part Number: TS4994IQT
• Description: IC AMP AUDIO PWR 1W MONO 10DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4994IQT

• 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: 10-DFN
• 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

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