DEMOTS4956J STMicroelectronics, DEMOTS4956J Datasheet - Page 34
DEMOTS4956J
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
DEMOTS4956J
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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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