TS4997IQT STMicroelectronics, TS4997IQT Datasheet - Page 19

• Manufacturer Part Number: TS4997IQT
• Description: IC AMP AUDIO 1W STER AB 16QFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4997IQT

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 1W x 2 @ 8 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5995-2

TS4997
Table 8.
Figure 62. Power dissipation vs. output power Figure 63. Power derating curves
Inputs floating
Inputs floating
Inputs floating
Inputs floating
Inputs grounded, G=6dB
Inputs grounded, G=6dB
Inputs grounded, G=6dB
Inputs grounded, G=6dB
Inputs grounded, G=12dB
Inputs grounded, G=12dB
Inputs grounded, G=12dB
Inputs grounded, G=12dB
400
350
300
250
200
150
100
50
0
Conditions
0
50
Output noise, T
100
150
Output Power (mW)
RL=16
200
3D effect level
250
amb
Ω
MEDIUM
MEDIUM
MEDIUM
RL=8
HIGH
HIGH
HIGH
LOW
LOW
LOW
300
= 25°C
OFF
OFF
OFF
Ω
Vcc = 2.7V
F = 1kHz
THD+N < 1%
350
RL=4
400
Ω
450
V
Unweighted filter
(20Hz to 20kHz)
CC
= 2.7V to 5.5V
10μVrms
18μVrms
24μVrms
34μVrms
15μVrms
28μVrms
36μVrms
52μVrms
20μVrms
39μVrms
50μVrms
71μVrms
3.0
2.8
2.6
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
0
No Heat sink -AMR value
25
Ambiant Temperature (
50
Mounted on 4-layer PCB
with vias
Electrical characteristics
75
V
A-weighted filter
Mounted on 2-layer PCB
with vias
CC
= 2.7V to 5.5V
12μVrms
15μVrms
22μVrms
10μVrms
19μVrms
24μVrms
35μVrms
14μVrms
26μVrms
33μVrms
48μVrms
100
6μVrms
°
C)
125
19/34
150