TPA2012D2
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SLOS438C–DECEMBER 2004–REVISED MARCH 2007
ELECTRICAL CHARACTERISTICS
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
5
MAX
UNIT
Inputs ac grounded, AV = 6 dB,
VDD = 2.5 to 5.5 V
|VOO
|
Output offset voltage (measured differentially)
25
mV
PSRR
Vicm
Power supply rejection ratio
Common-mode input voltage
VDD = 2.5 to 5.5 V
–75
–55
dB
V
0.5
VDD–0.8
Inputs shorted together,
VDD = 2.5 to 5.5 V
CMRR
Common-mode rejection ration
–69
–50
dB
|IIH
|
High-level input current
Low-level input current
VDD = 5.5 V, VI = VDD
VDD = 5.5 V, VI = 0 V
VDD = 5.5 V, No load or output filter
VDD = 3.6 V, No load or output filter
VDD = 2.5 V, No load or output filter
Shutdown mode
50
5
µA
µA
|IIL|
6
5
4
9
7.5
6
mA
µA
IDD
Supply current
1.5
VDD = 5.5 V
500
570
700
2
rDS(on)
Static drain-source on-state resistance
VDD = 3.6 V
mΩ
VDD = 2.5 V
Output impedance in shutdown mode
Switching frequency
V(SDR, SDL)= 0.35 V
kΩ
f(sw)
VDD = 2.5 V to 5.5 V
G0, G1 = 0.35 V
250
5.5
300
6
350
6.5
kHz
G0 = VDD, G1 = 0.35 V
G0 = 0.35 V, G1 = VDD
G0, G1 = VDD
11.5
17.5
23.5
12
12.5
18.5
24.5
Closed-loop voltage gain
dB
18
24
OPERATING CHARACTERISTICS
TA = 25°C, RL = 8 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 5.0 V, f = 1 kHz, THD = 10%
VDD = 3.6 V, f = 1 kHz, THD = 10%
VDD = 5.0 V, f = 1 kHz, THD = 10%
1.4
0.72
2.1
RL = 8 Ω
PO
Output power (per channel)
W
RL = 4 Ω
PO = 1 W, VDD = 5 V, AV = 6 dB,
PO = 0.5 W, VDD = 5 V, AV = 6 dB,
f = 1 kHz
f = 1 kHz
f = 1 kHz
0.14%
0.11%
–85
–77
–73
–69
28.1
17.3
9.8
THD+N
Total harmonic distortion plus noise
Channel crosstalk
dB
dB
dB
VDD = 5 V, AV = 6 dB,
f = 217 Hz
f = 217 Hz
f = 217 Hz
kSVR
Supply ripple rejection ratio
Common mode rejection ratio
VDD = 3.6 V, AV = 6 dB,
CMRR
VDD = 3.6 V, VIC = 1 Vpp
,
Av = 6 dB
Av = 12 dB
Input impedance
kΩ
Av = 18 dB
Av = 24 dB
5.2
Start-up time from shutdown
Output voltage noise
VDD = 3.6 V
3.5
ms
No weighting
A weighting
35
VDD = 3.6 V, f = 20 to 20 kHz,
Inputs are ac grounded, AV = 6 dB
Vn
µV
27
3
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