DEMOTS4956J STMicroelectronics, DEMOTS4956J Datasheet - Page 7

• 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

AN2465
Figure 3.
J1
DB9
JP1
JP2
JP3
Diff. input +
Diff. input -
SE input left
SE input right
4
3
2
1
1
2
1
2
Schematic diagram of the evaluation board
5
9
4
8
3
7
2
6
1
GND
DTR
TXD
RTS
DSR
R1
Cin1
330nF
Cin2
330nF
Cin3
330nF
Cin4
330nF
2k2
16
15
+
+
+
+
KP1040
U2A
GND2
Vcc-I2C
I2C SUPPLY
R2
1K
R3
1K
7
5
4
3
U1
MIP
MIN
LIN
RIN
TS4956
1N4148
1N4148
D1
D2
Vcc
BYPASS
Vcc-I2C
1
2
Input Right
Input Right
Input Left
Input Left
1
2
3
Stereo
Stereo
Stereo
Stereo
Cbypass
1µF
Bias
R4
180R
GND2
GND2
Cn4
3
4
5
6
U2B
KP1040
U2C
KP1040
Cn1
Vcc - I2C
T1
SDA
Vcc-I2C
Cn2
Vcc
TS4956 POWER SUPPLY
Select
Mode
I2C
SCL
14
13
12
11
Cn3
SCL
LHP Ampli fier
PHG Amplifier
RHP Amplifier
Speaker Amplifier
MLO Amplifier
SDA
SDA
Digital volume
Description of the evaluation board
Cs1
1µF
control
Vcc-I2C Vcc-I2C
SRP+
SRN-
MLO
PHG
RHP
LHP
Cs2
100nF
SCL
R5
10K
SDA
R6
10K
1
2
15
6
10
16
Cout
+
220µF
JP6
I2C BUS
1
2
3
R7
1K
JP4
1
2
PHONEJACK STEREO
JP5
1
2
1
2
3
J2
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