STEVAL-CCA021V1 STMicroelectronics, STEVAL-CCA021V1 Datasheet - Page 18

• Manufacturer Part Number: STEVAL-CCA021V1
• Description: BOARD EVAL AUDIO FOR STM32F103
• Manufacturer: STMicroelectronics

Specifications of STEVAL-CCA021V1

• Amplifier Type: Class D
• Output Type: Mono jack connector, 2 terminal connectors, 2 RCA jacks
• Max Output Power X Channels @ Load: 2.2W x 1 or 2 @ 4 Ohm
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: STM32F103, TS4657(TS2012, TS4962, TS472)
• Description/function: Audio D/A
• Operating Supply Voltage: 3 V to 5.5 V
• Output Power: 2.8 W
• Product: Audio Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: TS4657
• Other names: 497-10338

Connectors and functionality of the TS4657 audio card
Table 4.
Figure 15. Mono jack audio connector J4 and the onboard speaker U6
9.3
18/46
Pin
1
2
3
ST: TS4962IQT
1
3
4
OUT– line of the TS4962 mono amplifier
OUT+ line of the TS4962 mono amplifier (present if the external speaker is connected)
OUT+ line of the TS4962 amplifier connected to the pin 2 of the onboard speaker U6 when the external
speaker is not connected.
STBY
IN+
IN–
connector if an external speaker is connected. The output is never available to J4 and U6 at
the same time because the mono jack connector J4 has the pin disconnection capability.
Mono jack connector J4 pins description of the TS4657 audio card
TS2012 stereo output terminal connectors P2, P3
The TS2012 stereo Class-D amplifier output is available outside the board through the
onboard terminal connectors P2 and P3.
Table 5.
Oscillator
l
150 KΩ
300 KΩ
150 KΩ
Internal
bias
Pin
1
2
NC
TS2012 stereo output terminal connectors P2, P3
2
PWM
Connector P2
V CCA
6
OUTPUT
BRIDGE
GNDA
H
Doc ID 15867 Rev 1
7
Signal
E-PAD
L
L
9
OUT+
OUT–
OUT+
OUT–
Signal
U3
5
8
BLM18EG221SN1
BLM18EG221SN1
L5
L6
Pin
1
2
Mono jack
Connector P3
Speaker
GND
GND
100 pF
100 pF
C32
C33
2 1
Lumberg 1503 06
U6
KSSG1708
J4
Signal
R
R
OUT+
OUT–
UM0722
AM00484