STEVAL-CCA002V1 STMicroelectronics, STEVAL-CCA002V1 Datasheet - Page 26

• Manufacturer Part Number: STEVAL-CCA002V1
• Description: BOARD EVAL FOR LP DIFF TS4994IQT
• Manufacturer: STMicroelectronics

Specifications of STEVAL-CCA002V1

• Design Resources: STEVAL-CCA002V1 Gerber Files
• Amplifier Type: Class AB
• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: TS4994
• Description/function: Audio Amplifiers
• Operating Supply Voltage: 2.5 V to 5.5 V
• Output Power: 1 W
• Product: Audio Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: TS4994
• Kit Application Type: Amplifier
• Application Sub Type: Audio Power Amplifier
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: TS4994
• Other names: 497-6395; STEVAL-CCA002V1

Application information
4.7
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Figure 75. CMR vs. frequency (worst case
Figure 77. CMR vs. frequency with random
-10
-20
-30
-40
-50
-60
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
20
20
Vcc = 5V
Vic = 200mVpp
Av = 1, Cin = 470 μ F
Δ R/R = 0.1%, RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 5V
Vic = 200mVpp
Av = 1, Cin = 470 μ F
Δ R/R ≤ 0.1%, RL ≥ 8 Ω
Tamb = 25 ° C
Figure 77
random selection of four
Power dissipation and efficiency
Assumptions:
●
●
The output voltage is:
and
conditions)
choice condition
100
100
Load voltage and current are sinusoidal (V
Supply voltage is a pure DC source (V
and
Frequency (Hz)
Frequency (Hz)
Cb=1 μ F
Cb=0
Cb=1 μ F
Cb=0
Figure 78
1000
1000
show CMRR versus frequency for a typical application with a
Δ
R/R values with a 0.1% tolerance.
10000
10000
20k
20k
V
out
I
Figure 76. CMR vs. frequency (worst case
Figure 78. CMR vs. frequency with random
out
= V peak sinωt (V)
CC
=
-10
-20
-30
-40
-50
-60
-10
-20
-30
-40
-50
-60
-70
-80
-90
V
------------ - (A)
)
0
0
R
20
20
out
out
L
Vcc = 2.5V
Vic = 200mVpp
Av = 1, Cin = 470 μ F
Δ R/R = 0.1%, RL ≥ 8 Ω
Tamb = 25 ° C
Vcc = 2.5V
Vic = 200mVpp
Av = 1, Cin = 470 μ F
Δ R/R ≤ 0.1%, RL ≥ 8 Ω
Tamb = 25 ° C
and I
conditions)
choice condition
100
100
out
)
Frequency (Hz)
Frequency (Hz)
Cb=1 μ F
Cb=0
Cb=1 μ F
Cb=0
1000
1000
10000
10000
TS4994
20k
20k