Datasheet

TPA701
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
SLOS229D – NOVEMBER1998 – REVISED MAY 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions
MIN MAX UNIT
Supply voltage, V
DD
2.5 5.5 V
High-level voltage, V
IH
SHUTDOWN 0.9 V
DD
V
Low-level voltage, V
IL
SHUTDOWN 0.1 V
DD
V
Operating free-air temperature, T
A
–40 85
°C
electrical characteristics at specified free-air temperature, V
DD
= 3.3 V, T
A
= 25°C (unless otherwise
noted)
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
|V
OO
| Output offset voltage (measured differentially)
SHUTDOWN = 0 V, R
L
= 8 Ω, R
F
= 10 kΩ
20 mV
PSRR Power supply rejection ratio V
DD
= 3.2 V to 3.4 V 85 dB
I
DD
Supply current
SHUTDOWN = 0 V, R
F
= 10 kΩ
1.25 2.5 mA
I
DD(SD)
Supply current, shutdown mode (see Figure 4)
SHUTDOWN = V
DD
, R
F
= 10 kΩ
1.5 1000 nA
|I
IH
| High-level input current SHUTDOWN, V
DD
= 3.3 V, V
I
= 3.3 V 1
µA
|I
IL
| Low-level input current SHUTDOWN, V
DD
= 3.3 V, V
I
= 0 V 1
µA
operating characteristics, V
DD
= 3.3 V, T
A
= 25°C, R
L
= 8 Ω
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
P
O
Output power, see Note 1 THD = 0.2%, See Figure 9 250 mW
THD + N Total harmonic distortion plus noise
A
V
= – 2 V/V,
P
O
= 250 mW
f = 200 Hz to 4 kHz, See Figure 7,
0.55%
B
OM
Maximum output power bandwidth A
V
= – 2 V/V, THD = 2%, See Figure 7 20 kHz
B
1
Unity-gain bandwidth Open loop, See Figure 15 1.4 MHz
Supply ripple rejection ratio f = 1 kHz,
C
B
= 1 µF,
See Figure 2 79 dB
V
n
Noise output voltage A
V
= –1 V/V,
C
B
= 0.1 µF,
See Figure 19 17
µV(rms)
NOTE 1: Output power is measured at the output terminals of the device at f = 1 kHz.
electrical characteristics at specified free-air temperature, V
DD
= 5 V, T
A
= 25°C (unless otherwise
noted)
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
|V
OO
| Output offset voltage (measured differentially)
SHUTDOWN = 0 V, R
L
= 8 Ω, R
F
= 10 kΩ
20 mV
PSRR Power supply rejection ratio V
DD
= 4.9 V to 5.1 V 78 dB
I
DD
Supply current
SHUTDOWN = 0 V, R
F
= 10 kΩ
1.25 2.5 mA
I
DD(SD)
Supply current, shutdown mode (see Figure 4)
SHUTDOWN = V
DD
, R
F
= 10 kΩ
5 1500 nA
|I
IH
| High-level input current SHUTDOWN, V
DD
= 5.5 V, V
I
= V
DD
1
µA
|I
IL
| Low-level input current SHUTDOWN, V
DD
= 5.5 V, V
I
= 0 V 1
µA