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| TPA6205A1 Datasheet, PDF (3/24 Pages) Texas Instruments – 1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER WITH 1.8-V INPUT LOGIC THRESHOLDS | |||
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TPA6205A1
www.ti.com
SLOS490A â JULY 2006 â REVISED AUGUST 2006
ELECTRICAL CHARACTERISTICS
TA = 25°C, Gain = 1 V/V
PARAMETER
TEST CONDITIONS
|VOO|
Output offset voltage (measured
differentially)
VI = 0 V, VDD = 2.5 V to 5.5 V
PSRR Power supply rejection ratio
CMRR Common-mode rejection ratio
VOL
Low-level output voltage
VOH
High-level output voltage
|IIH|
|IIL|
IDD
IDD(SD)
High-level input current
Low-level input current
Supply current
Supply current in shutdown
mode
VDD = 2.5 V to 5.5 V
VDD = 3.6 V to 5.5 V, VIC = 0.5 V to VDDâ0.8
VDD = 2.5 V, VIC = 0.5 V to 1.7 V
RL = 8 â¦, VIN+ = VDD,
VINâ = 0 V or VIN+ = 0 V, VINâ = VDD
VDD = 5.5 V
VDD = 3.6 V
VDD = 2.5 V
RL = 8 â¦, VIN+ = VDD,
VINâ = 0 V or VIN+ = 0 V, VINâ = VDD
VDD = 5.5 V
VDD = 3.6 V
VDD = 2.5 V
VDD = 5.5 V, VI = 5.8 V
VDD = 5.5 V, VI = â0.3 V
VDD = 2.5 V to 5.5 V, No load, SHUTDOWN = VIH
SHUTDOWN = VIL , VDD = 2.5 V to 5.5 V, No load
MIN TYP MAX UNIT
9 mV
â90 â70 dB
â70 â65
dB
â62 â55
0.30 0.46
0.22
V
0.19 0.26
4.8 5.12
3.28
V
2.1 2.24
1.2 µA
1.2 µA
1.7 2 mA
0.01 0.9 µA
OPERATING CHARACTERISTICS
TA = 25°C, Gain = 1 V/V, RL = 8 â¦
PARAMETER
TEST CONDITIONS
PO
Output power
THD + N = 1%, f = 1 kHz
THD+N
kSVR
SNR
Total harmonic
distortion plus noise
Supply ripple rejection
ratio
Signal-to-noise ratio
VDD = 5 V, PO = 1 W, f = 1 kHz
VDD = 3.6 V, PO = 0.5 W, f = 1 kHz
VDD = 2.5 V, PO = 200 mW, f = 1 kHz
C(BYPASS) = 0.47°F, VDD = 3.6 V to 5.5 V,
Inputs ac-grounded with CI = 2 µF
C(BYPASS) = 0.47 µF, VDD = 2.5 V to 3.6 V,
Inputs ac-grounded with CI = 2 µF
C(BYPASS) = 0.47 µF, VDD = 2.5 V to 5.5 V,
Inputs ac-grounded with CI = 2 µF
VDD = 5 V, PO= 1 W
Vn
Output voltage noise f = 20 Hz to 20 kHz
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
f = 217 Hz to 2 kHz,
VRIPPLE = 200 mVPP
f = 217 Hz to 2 kHz,
VRIPPLE = 200 mVPP
f = 40 Hz to 20 kHz,
VRIPPLE = 200 mVPP
No weighting
A weighting
CMRR
ZI
ZO
Common-mode
rejection ratio
Input impedance
VDD = 2.5 V to 5.5 V,
Resistor tolerance = 0.1%,
Gain = 4V/V, VICM = 200 mVPP
Output impedance Shutdown mode
Shutdown attenuation f = 20 Hz to 20 kHz, RF = RI = 20 kâ¦
f = 20 Hz to 1 kHz
f = 20 Hz to 20 kHz
MIN TYP MAX UNIT
1.25
0.63
W
0.3
0.06%
0.07%
0.08%
-87
-82
dB
>10k
â¤â74
104
17
13
â¤â85
â¤â74
2
-80
dB
µVRMS
dB
Mâ¦
dB
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