max9706etxt Maxim Integrated Products, Inc., max9706etxt Datasheet - Page 9

• Manufacturer Part Number: max9706etxt
• Description: 3-channel, 2.3w, Filterless Class D Amplifiers With Active Crossover
• Manufacturer: Maxim Integrated Products, Inc.

(V
MGAIN = float (-6dB), SYNC_IN = V
Headphone load R
T
A
0.001
DD
0.001
0.01
= T
0.01
0.1
10
0.1
10
1
1
= PV
3-Channel, 2.3W, Filterless Class D Amplifiers
MIN
10
10
HPV
R
TOTAL HARMONIC DISTORTION PLUS
HPV
R
TOTAL HARMONIC DISTORTION PLUS
L
L
= 16Ω
DD
to T
= 32Ω
OUTPUT POWER = 10mW
DD
DD
OUTPUT POWER = 75mW
= 3.3V
= 5V
= HPV
MAX
NOISE vs. FREQUENCY
100
OUTPUT POWER = 25mW
NOISE vs. FREQUENCY
OUTPUT POWER = 35mW
100
, unless otherwise noted. Typical values at T
FREQUENCY (Hz)
FREQUENCY (Hz)
LH
DD
_______________________________________________________________________________________
connected between HPR/HPL to GND. C
1k
= 5V, GND = PGND = CPGND = 0V, SHDN = V
1k
10k
10k
Typical Operating Characteristics—Headphone Mode
DD
100k
100k
(SSM), speaker load R
0.001
0.001
0.01
0.01
100
0.1
0.1
10
10
1
1
10
0
HPV
R
HPV
R
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
L
L
= 32Ω
= 16Ω
15
DD
DD
OUTPUT POWER = 10mW
f
NOISE vs. OUTPUT POWER
IN
= 3.3V
= 3.3V
OUTPUT POWER = 35mW
30
= 1kHz
NOISE vs. FREQUENCY
100
A
OUTPUT POWER (mW)
L
BIAS
= +25°C.)
45
FREQUENCY (Hz)
connected between OUT+ and OUT-, unless otherwise noted, R
f
IN
60
= 1µF to GND, 1µF capacitor between C1P and C1N, C
= 200Hz
1k
75
DD
with Active Crossover
f
IN
, GAIN1 = GAIN2 = GND (+9dB), FS0 = FS1 = GND (800Hz),
90
= 10kHz
10k
105
120
100k
135
0.001
0.001
0.01
0.01
100
0.1
0.1
10
10
1
1
10
0
HPV
R
HPV
R
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
L
L
f
IN
= 16Ω
= 32Ω
DD
DD
= 1kHz
10
OUTPUT POWER = 80mW
NOISE vs. OUTPUT POWER
= 5V
= 3.3V
NOISE vs. FREQUENCY
100
20
OUTPUT POWER = 20mW
OUTPUT POWER (mW)
f
FREQUENCY (Hz)
IN
= 200Hz
f
30
IN
= 10kHz
1k
40
50
10k
VSS
60
= 1µF.
L
= ∞.
100k
70
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