STEVAL-CCA003V1 STMicroelectronics, STEVAL-CCA003V1 Datasheet - Page 20

• Manufacturer Part Number: STEVAL-CCA003V1
• Description: BOARD EVAL FOR LV TS4984IQT
• Manufacturer: STMicroelectronics

Specifications of STEVAL-CCA003V1

• Design Resources: STEVAL-CCA003V1 Gerber Files
• Amplifier Type: Class AB
• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 1W x 2 @ 8 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: TS4984
• Description/function: Audio Amplifiers
• Operating Supply Voltage: 2.2 V to 5.5 V
• Output Power: 1 W
• Product: Audio Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: TS4984
• Kit Application Type: Amplifier
• Application Sub Type: Stereo Audio Power Amplifier
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: TS4984
• Other names: 497-6396; STEVAL-CCA003V1

TS4984
The following graph
Figure 65: Frequency response gain versus C
4.4 Power dissipation and efficiency
Hypotheses:
Regarding the load we have:
and
and
Therefore, the average current delivered by the supply voltage is:
The power delivered by the supply voltage is:
20/29
Voltage and current in the load are sinusoidal (V
Supply voltage is a pure DC source (V
(Figure
65) shows an example of C
-10
-15
-20
-25
10
-5
5
0
10
P
su pply
V
out
I
Cin = 82nF
P
CC
out
cc
= V
AV G
I
=
).
100
out
Cin = 22nF
=
PEAK
V
Cin = 470nF
Frequency (Hz)
= 2
V
------------------------ -
CC
=
in
PE AK
2R
V
------------- -
& C
V
------------------ -
⋅
R
out
out
sinωt
π
I
PEAK
L
Cfeed = 330pF
CC
L
R
feed
2
and I
in
Cfeed = 680pF
L
A VG
and C
1000
Rin = Rfeed = 22k Ω
Tamb = 25 ° C
Cfeed = 2.2nF
out
(A)
(V)
).
feed
(W)
(A)
(
W
influence.
)
10000
Application Information