TS4975EIJT STMicroelectronics, TS4975EIJT Datasheet - Page 33

• Manufacturer Part Number: TS4975EIJT
• Description: IC AMP AUDIO .04W AB 12FLIPCHIP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4975EIJT

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 40mW x 2 @ 16 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, I²C, Standby, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 12-FlipChip
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5199-2; TS4975EIJT

TS4975
Figure 67. Demoboard schematic
IN2
IN1
P2
P1
CON1
RS232
I2C BUS
1
6
2
7
3
8
4
9
5
GND2
C10
330nF
C11
330nF
TXD
DTR
GND
+
+
SDA
Vcc1
R8
180R
1
6
1
2
U2A
KP1040
IN1
IN2
Bias
0.1µF
Bypass
C6
Volume control
Cn2
C1
1µF
0.1µF
IN1
Pre-Amplifier
IN2
Pre-Amplifier
C7
Vcc1
16
15
GND2
GND2
R3
10k
Vcc2
R7
10K
Vcc2
Cn4
C2
1µF
Mode
Select
C8
0.1µF
Cn5
Vcc1
I2C
GND2
SCL
GND2
Vcc2
SDA
C9
0.1µF
Cn3
13
11
10
8
1
3
4
5
2
6
GND2
R1IN
R2IN
T1IN
T2IN
C1+
C1-
C2+
C2-
V+
V-
Cn1
C5
1µF
OUT1 Amplifier
PHG1 Amplifier
PHG2 Amplifier
OUT2 Amplifier
GND2
Vcc1
Vcc2
R1OUT
R2OUT
T1OUT
T2OUT
TS4975
ST232
OUT1
PHG1
PHG2
OUT2
U3
JP2
HEADER 4
4
3
2
1
12
9
14
7
U1
13
12
10
9
Vcc2
Vcc2
R6
360R
R9
360R
3
4
5
6
U2B
KP1040
U2C
KP1040
JP1
HEADER 4
Cn6
Cn8
+
+
220µF
220µF
1
2
3
4
C3
C4
Application Information
14
13
12
11
SDA
R1
1k
R2
1k
Cn7
SCL
Vcc1
SCL
R4
10k
Vcc1
SDA
R5
10k
PHONEJACK STEREO
1
2
3
J1
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