STEVAL-CCA003V1 STMicroelectronics, STEVAL-CCA003V1 Datasheet - Page 20
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STEVAL-CCA003V1
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
STEVAL-CCA003V1
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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