ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA2035D1
www.ti.com
................................................................................................................................................................................................
SLOS562 – AUGUST 2008
T
A
= 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output offset voltage
|V
OS
|
Inputs AC grounded, V
DD
= 2.5 V to 5.5 V
5
25
mV
(measured differentially)
PSRR
Power supply rejection ratio
V
DD
= 2.5 V to 5.5 V
–75
-61
dB
V
DD
= 2.5 V
–69
-52
CMRR
Common mode rejection ratio
V
IC
= 0.5 V to (V
DD
–0.8 V)
V
DD
= 3.6 V
–69
-52
dB
V
DD
= 5.5 V
–69
-52
|I
IH
|
High-level input current
V
DD
= 5.5 V, V
I
= 5.8 V
50
µ
A
|I
IL
|
Low-level input current
V
DD
= 5.5 V, V
I
= –0.3 V
5
µ
A
V
DD
= 5.5 V, no load
4
5.7
I
(Q)
Quiescent current
V
DD
= 3.6 V, no load
3
mA
V
DD
= 2.5 V, no load
2.2
3.7
I
(SD)
Shutdown current
V
(SHUTDOWN)
= 0.35 V, V
DD
= 2.5 V to 5.5 V
0.5
0.8
µ
A
V
DD
= 2.5 V
550
Static drain-source on-state
r
DS(on)
V
DD
= 3.6 V
420
m
Ω
resistance
V
DD
= 5.0 V
350
Output impedance in
V
(SHUTDOWN)
<= 0.35 V
2
k
Ω
SHUTDOWN
f
(sw)
Switching frequency
V
DD
= 2.5 V to 5.5 V
240
300
400
kHz
Gain
V
DD
= 2.5 V to 5.5 V
5.5
6
6.5
dB
Resistance of internal pulldown
R
PD
resistor from shutdown pin to
300
k
Ω
GND
T
A
= 25°C, R
L
= 8
Ω
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
DD
= 5 V
2.75
R
L
= 4
Ω
, THD + N = 10%, f = 1 kHz
V
DD
= 3.6 V
1.35
W
V
DD
= 2.5 V
0.59
V
DD
= 5 V
2.25
R
L
= 4
Ω
, THD + N = 1%, f = 1 kHz
V
DD
= 3.6 V
1.12
W
V
DD
= 2.5 V
0.48
P
O
Output power
V
DD
= 5 V
1.68
R
L
= 8
Ω
, THD + N = 10%, f = 1 kHz
V
DD
= 3.6 V
0.85
W
V
DD
= 2.5 V
0.38
V
DD
= 5 V
1.37
R
L
= 8
Ω
, THD + N = 1%, f = 1 kHz
V
DD
= 3.6 V
0.68
W
V
DD
= 2.5 V
0.31
V
DD
= 5 V, P
O
= 1 W, R
L
= 8
Ω
, f = 1 kHz
0.18%
Total harmonic distortion plus
THD+N
V
DD
= 3.6 V, P
O
= 0.5 W, R
L
= 8
Ω
, f = 1 kHz
0.11%
noise
V
DD
= 2.5 V, P
O
= 200 mW, R
L
= 8
Ω
, f = 1 kHz
0.10%
V
DD
= 3.6 V, Inputs AC grounded
f = 217 Hz,
k
SVR
Supply ripple rejection ratio
–73
dB
with C
I
= 1
µ
F
V
(RIPPLE)
= 200 mV
pp
SNR
Signal-to-noise ratio
V
DD
= 5 V, P
O
= 1 W, R
L
= 8
Ω
, A weighted noise
100
dB
No weighting
35
V
DD
= 3.6 V, f = 20 Hz to 20 kHz,
V
n
Output voltage noise
µ
V
RMS
Inputs AC grounded with C
I
= 1
µ
F
A weighting
27
V
DD
= 3.6 V, V
IC
= 1 V
pp
, V
Cm
= 1.8
CMRR
Common mode rejection ratio
f = 217 Hz
–69
dB
V
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