DEMOTS4956J STMicroelectronics, DEMOTS4956J Datasheet - Page 34

• 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 100. SNR vs. power supply voltage
Figure 102. Current consumption vs. power
Figure 104. Frequency response modes 3, 4
12
10
-2
100
8
6
4
2
0
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
68
66
64
62
60
8
7
6
5
4
3
2
1
0
0
No loads
Tamb = 25
Mode 7 - BTL, SPKout
G = +10.5dB, RL = 8
THD+N < 0.5%
Tamb = 25
Mode 1,2
Mode 5,6
supply voltage
Mode4
2.7
1
Weighted filter type A
Unweighted filter (20Hz to 20kHz)
100
G=+12dB, RL=16
°
G=+1.5dB, RL=16
C
G=+6dB, RL=16
°
C
2
Frequency (Hz)
Mode3
Vcc (V)
Vcc (V)
Ω
3.3
Ω
3
1000
Ω
,32
Ω
,32
,32
Ω
Ω
Ω
Mode7
4
Mode 3, 4
LHP, RHP
Cin = 330nF
Tamb 25
5
10000
5
°
C
Figure 101. SNR vs. power supply voltage
Figure 103. Frequency response modes 1, 2, 7
Figure 105. Frequency response modes 5, 6
-10
12
10
12
10
-2
-2
-4
-6
-8
100
8
6
4
2
0
8
6
4
2
0
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
68
66
64
62
60
Mode 7 - BTL, SPKout
G = +10.5dB, RL = 16
THD+N < 0.5%
Tamb = 25
G=+12dB, RL=16
G=+1.5dB, RL=16
G=+6dB, RL=16
2.7
G=+12dB, RL=16
Weighted filter type A
Unweighted filter (20Hz to 20kHz)
100
G=+1.5dB, RL=32
100
G=+1.5dB, RL=16
G=+12dB, RL=8
°
G=+6dB, RL=16
C
G=+12dB, RL=32
Frequency (Hz)
Frequency (Hz)
G=+6dB, RL=8
G=+6dB, RL=32
Ω
Electrical characteristics
Ω
Ω
Vcc (V)
Ω
Ω
3.3
Ω
Ω
1000
Ω
1000
Ω
G=+1.5dB, RL=8
Ω
Ω
Ω
Mode 5, 6 - MLO
Cin = 330nF
Cout = 220
Tamb 25
Mode 1, 2, 7
BTL, SPK out
Cin = 330nF
Tamb 25
5
10000
10000
°
C
Ω
μ
F
°
C
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