Datasheet

f - Frequency - Hz
0
-50
-100
0 200 400 600 800 1k 1.2k
- Output Voltage - dBV
1.4k1.6k1.8k 2k
-150
-150
-100
0
-50
V
O
- Supply Voltage - dBVV
DD
V
DD
Shown in Figure 19
C
I
= 2 µF,
C
(Bypass)
= 0.47 µF
,
Inputs ac-Grounded
Gain = 1V/V
C1
Frequency
217.41 Hz
C1 - Duty
20 %
C1 High
3.598 V
C1 Pk-Pk
504 mV
Voltage - V
Ch1 100 mV/div
Ch4 10 mV/div
2 ms/div
t - Time - ms
V
DD
V
O
-100
0
-90
-80
-70
-60
-50
-40
-30
-20
-10
20 20 k50 100 200 500 1 k 2 k 5 k 10 k
f - Frequency - Hz
CMRR - Common Mode Rejection Ratio - dB
V
DD
= 2.5 V to 5 V
V
IC
= 200 mV
p-p
R
L
= 8 Ω
Gain = 1 V/V
-70
-60
-50
-40
-30
-20
-10
0
10
20
30
40
10 100 10 k 100 k 1 M 10 M
-220
-180
-140
-100
-60
-20
20
60
100
140
180
220
1 k
f - Frequency - Hz
Gain - dB
Phase - Degrees
Gain
Phase
V
DD
= 3.6 V
R
L
= 8 Ω
Gain = 1 V/V
-200
-150
-100
-50
0
50
100
150
200
100 1 k 10 k 100 k 1 M
-200
-150
-100
-50
0
50
100
150
200
f - Frequency - Hz
Gain - dB
Phase - Degrees
Gain
Phase
V
DD
= 3.6 V
R
L
= 8 Ω
10 M
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
R
L
= 8 Ω
Gain = 1 V/V
V
IC
- Common Mode Input Voltage - V
CMRR - Common Mode Rejection Ratio - dB
V
DD
= 3.6 V
V
DD
= 5 V
V
DD
= 2.5 V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
DD
- Supply Voltage - V
- Supply Current - mA
I
DD
0
1
2
3
4
5
6
0 0.5 1 1.5 2
C
(Bypass)
- Bypass Capacitor - µF
Start-Up Time - ms
(1)
Start-Up time is the time it takes (from a
low-to-high transition on SHUTDOWN) for the
gain of the amplifier to reach -3 dB of the final
gain.
TPA6205A1
SLOS490B–JULY2006–REVISEDJUNE2008.............................................................................................................................................................. www.ti.com
TYPICALCHARACTERISTICS(continued)
GSMPOWERSUPPLYGSMPOWERSUPPLY
REJECTIONREJECTIONCOMMONMODEREJECTIONRATIO
vsvsvs
TIMEFREQUENCYFREQUENCY
Figure19.Figure20.Figure21.
COMMONMODEREJECTIONRATIOCLOSEDLOOPGAIN/PHASEOPENLOOPGAIN/PHASE
vsvsvs
COMMONMODEINPUTVOLTAGEFREQUENCYFREQUENCY
Figure22.Figure23.Figure24.
SUPPLYCURRENTSTART-UPTIME
(1)
vsvs
SUPPLYVOLTAGEBYPASSCAPACITOR
Figure25.Figure26.
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