TS4974IQT STMicroelectronics, TS4974IQT Datasheet - Page 13

• Manufacturer Part Number: TS4974IQT
• Description: IC AMP AUDIO PWR 1W MONO 10DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4974IQT

• 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, Standby, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• For Use With: 497-6382 - BOARD DEMO FOR TS4974IQT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5994-2

TS4974
Figure 26. SNR vs. supply voltage
Figure 28. Output power vs. supply voltage
Figure 30. Current consumption vs. supply
110
108
106
104
102
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
98
96
94
92
90
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
2.5
F = 1kHz
BW < 125 kHz
Tamb = 25
0
Unweighted filter (20Hz to 20kHz)
F = 1kHz
G = 12dB
THD + N < 0.5%
Tamb = 25
No load
Tamb = 25
3.0
voltage
3.0
1
°
°
C
C
°
C
RL=8
3.5
2
Ω
3.5
Vcc (V)
Vcc (V)
Vcc (V)
4.0
3
8
Ω
4.0
RL=16
4.5
4
16
Ω
32
Ω
Ω
4.5
5
5.0
6
5.0
5.5
Figure 27. Output power vs. supply voltage
Figure 29. Output power vs. load resistance
Figure 31. Standby current vs. supply voltage
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.4
0.3
0.2
0.1
0.0
2.5
8
F = 1kHz
BW < 125 kHz
Tamb = 25
0
Vcc=2.6V
No load
Tamb = 25
Vcc=5.5V
12
3.0
1
°
C
°
C
Vcc=5V
16
Load resistance (
2
Vcc=4.5V
3.5
Electrical characteristics
Vcc (V)
Vcc (V)
20
3
Vcc=4V
4.0
8
Ω
Ω
24
Vcc=3.3V
4
)
16
32
Ω
THD+N = 1%
Cb = 1
BW < 125kHz
Tamb = 25
Ω
4.5
5
28
Vcc=3V
μ
F
°
C
13/25
6
5.0
32