MAX9719 Maxim Integrated Products, MAX9719 Datasheet - Page 4

• Manufacturer Part Number: MAX9719
• Description: (MAX9718 / MAX9719) 1.4W Differential Audio Power Amplifiers
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS—3V Supply (continued)
(V
T
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
4
Note 1: All specifications are 100% tested at T
Note 2: Quiescent power-supply current is specified and tested with no load. Quiescent power-supply current depends on the offset
Note 3: Common-mode bias voltage is the voltage on BIAS and is nominally V
Note 4: Output power is specified by a combination of a functional output current test and characterization analysis.
Note 5: Measurement bandwidth for THD+N is 22Hz to 22kHz.
Note 6: Peak voltage measured at power-on, power-off, into or out of SHDN. Bandwidth defined by A-weighted filters, inputs at AC
(V
A
Output Power
Total Harmonic Distortion Plus
Noise
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
Maximum Capacitive Drive
Power-Up/Enable from
Shutdown Time
Shutdown Time
Turn-Off Transient
Crosstalk
0.0001
CC
CC
0.001
= +25°C. C
0.01
0.1
_______________________________________________________________________________________
10
1
= 3V, GND = 0, SHDN/SHDN = V
= 5V, C
10
TOTAL HARMONIC DISTORTION + NOISE
design, not production tested.
voltage when a practical load is connected to the amplifier. Guaranteed by design.
GND. V
V
R
A
PARAMETER
CC
L
V
= 4Ω
= 2
= 5V
BIAS
BIAS
OUTPUT POWER = 50mW
100
CC
vs. FREQUENCY
= 0.1µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
FREQUENCY (Hz)
OUTPUT POWER = 1W
= 0.1µF, no load. Typical values are at T
rise and fall times greater than or equal to 1ms.
1k
10k
SYMBOL
THD+N
C
t
P
V
SHDN
LOAD
t
OUT
POP
PU
100k
CC
R
R
A
Bridge-tied capacitance
(Note 6)
MAX9719, f
(MAX9718/MAX9719), SHDM = GND (MAX9718), R
A
0.0001
L
L
V
0.001
0.01
= +25°C. Specifications over temperature (T
= 8Ω, THD+N = 1%, f
= 8Ω, f
= 6dB
0.1
10
1
10
TOTAL HARMONIC DISTORTION + NOISE
V
R
A
CC
L
V
IN
= 4Ω
= 4
N
= 5V
= 1kHz, P
OUTPUT POWER = 200mW
A
= 1kHz
100
= +25°C, unless otherwise noted.) (Note 1)
CONDITIONS
vs. FREQUENCY
OUTPUT POWER = 1W
FREQUENCY (Hz)
OUT
1k
IN
Typical Operating Characteristics
= 0.25W,
= 1kHz (Note 4)
10k
CC
A
/2.
= +25°C, unless otherwise noted.)
100k
0.0001
0.001
0.01
A
0.1
10
1
= T
10
MIN
TOTAL HARMONIC DISTORTION + NOISE
MIN
V
R
A
CC
L
V
= 8Ω
= 2
IN
= 5V
to T
OUTPUT POWER = 250mW
= R
100
OUTPUT POWER = 750mW
0.003
+160
MAX
TYP
475
500
vs. FREQUENCY
-85
15
10
40
FREQUENCY (Hz)
3
F
= 10kΩ (MAX971_A),
) are guaranteed by
1k
MAX
10k
UNITS
mW
ms
mV
dB
°C
°C
pF
µs
%
100k