DEMOTS4956J STMicroelectronics, DEMOTS4956J Datasheet - Page 45

• 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
4.5
Figure 128. 3dB lower cut off frequency vs. output capacitance
Single-ended input configuration in modes 1, 3 and 5
It is possible to use the differential inputs MIP and MIN of the TS4956 as one single-ended
input in modes where the differential inputs are active (modes 1, 3 and 5).
Figure 129
Figure 129. Single-ended input in modes 1, 3 and 5 for a typical application
A
B
C
D
E
F
illustrates this configuration.
Cin1
330nF
Cin2
330nF
+
+
100
A1
A2
B4
A5
10
1
100
MIP
MIN
LIN
RIN
TS4956
BYPASS
Input Right
Input Right
Cb
1µF
Input Left
Input Left
Stereo
Stereo
Stereo
Stereo
Bias
I2C BUS
RL=16
I2CVCC
SCL
SDA
Output capacitor Cout (
I2CVCC
Ω
Vcc
Select
Mode
I2C
RL=32
LHP Amplifier
PHG Amplifier
RHP Amplifier
Speaker Amplifier
MLO Amplifier
Ω
Digital volume
Cs1
1µF
control
μ
All gain setting
Tamb = 25
SRP+
SRN-
F)
1000
MLO
PHG
RHP
LHP
Cs2
100nF
B6
A7
D6
B2
D2
E7
Cout
220µF
°
C
Application information
MODE3: GxMIP
MODE3: GxMIP
MODE1: GxMIP
MODE5: GxMIP
+
R1
1k
16/32 Ohms
16/32 Ohms
8 Ohms
16/32 Ohms
A
B
C
D
E
F
45/55