DEMOTS4956J STMicroelectronics, DEMOTS4956J Datasheet - Page 37

• Manufacturer Part Number: DEMOTS4956J
• Description: BOARD DEMO TS4956EIJT/EIKJT
• Manufacturer: STMicroelectronics

Specifications of DEMOTS4956J

• Amplifier Type: Class AB
• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm; 43mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: TS4956
• Description/function: Audio Amplifiers
• Operating Supply Voltage: 2.7 V to 5.5 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: TS4956
• Other names: 497-6381; DEMOTS4956J

TS4956
Figure 118. Power dissipation vs. output power Figure 119. Power dissipation vs. output power
Figure 120. Power derating curves
Figure 122. Crosstalk vs. frequency
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-10
-20
-30
-40
-50
-60
-70
-80
0
90
80
70
60
50
40
30
20
10
0
0
0
Vcc = 5V, 3.3V, 2.7V
Mode 4
LHP -> RHP
RHP -> LHP
Tamb = 25
No Heat sink
20 40 60 80 100 120 140 160 180 200 220 240
RL=32
25
THD+N=1%
100
°
Ω
C
Ambiant Temperature (
50
RL=16
Po=15mW
Output Power (mW)
Frequency (Hz)
Heat sink surface = 125mm
Ω
RL=16
75
1000
Ω
100
Mode 5, 6 - MLO
Vcc = 5V
F = 1kHz
THD+N < 10%
°
C)
RL=32
Po=10mW
125
Ω
10000
2
150
Figure 121. Crosstalk vs. frequency
-100
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
90
80
70
60
50
40
30
20
10
0
0
0
Mode 4
RL = 8
BTL out -> SPK out
SPK out -> BTL out
Tamb = 25
THD+N=1%
RL=32
50
Ω
100
Vcc=2.7V
Po=200mW
°
C
Ω
100
Output Power (mW)
Frequency (Hz)
Electrical characteristics
150
Vcc=3.3V
Po=300mW
RL=16
1000
200
Ω
Mode 5, 6 - MLO
Vcc = 5.5V
F = 1kHz
THD+N < 10%
Vcc=5V
Po=700mW
250
10000
300
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