max9706etxt Maxim Integrated Products, Inc., max9706etxt Datasheet - Page 7

• 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
DD
= T
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
= PV
0
0
3-Channel, 2.3W, Filterless Class D Amplifiers
MIN
1
0
DD
to T
THD+N = 1%
EFFICIENCY vs. OUTPUT POWER
= HPV
MAX
1
vs. LOAD RESISTANCE
LOAD RESISTANCE (Ω)
OUTPUT POWER
OUTPUT POWER (W)
, unless otherwise noted. Typical values at T
LH
Typical Operating Characteristics—Speaker Mode (continued)
DD
P
f
IN
OUT
2
_______________________________________________________________________________________
= 800Hz
connected between HPR/HPL to GND. C
THD+N = 10%
= 5V, GND = PGND = CPGND = 0V, SHDN = V
= P
10
OUTL
3
R
+ P
L
= 4Ω R
OUTR
4
V
f = 1kHz
+ P
DD
DD
L
OUTM
= 8Ω
= 5V
(SSM), speaker load R
100
5
-100
-110
-120
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
4.5
10
f = 1kHz
R
V
R
POWER-SUPPLY REJECTION RATIO
L
RIPPLE
L
= 8Ω
= 4Ω
4.7
= 100mV
A
vs. SUPPLY VOLTAGE
100
L
BIAS
= +25°C.)
SUPPLY VOLTAGE (V)
OUTPUT POWER
vs. FREQUENCY
connected between OUT+ and OUT-, unless otherwise noted, R
FREQUENCY (Hz)
4.9
P-P
= 1µF to GND, 1µF capacitor between C1P and C1N, C
THD+N = 10%
THD+N = 1%
OUTR
1k
DD
OUTM
with Active Crossover
5.1
, GAIN1 = GAIN2 = GND (+9dB), FS0 = FS1 = GND (800Hz),
10k
5.3
OUTL
100k
5.5
-100
-120
-140
-20
-40
-60
-80
3.0
2.5
2.0
1.5
1.0
0.5
0
0
4.5
0
SSM MODE
V
f = 1kHz
R
UNWEIGHTED
f = 1kHz
R
OUT
L
L
OUTPUT FREQUENCY SPECTRUM
= 8Ω
= 8Ω
= -60dB
4.7
vs. SUPPLY VOLTAGE
THD+N = 10%
5
SUPPLY VOLTAGE (V)
OUTPUT POWER
FREQUENCY (kHz)
4.9
10
5.1
THD+N = 1%
15
VSS
5.3
= 1µF.
L
= ∞.
5.5
20
7