max9706etxt Maxim Integrated Products, Inc., max9706etxt Datasheet - Page 11

• 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
-120
-20
-40
-60
-80
40
30
20
10
0
0
= PV
3-Channel, 2.3W, Filterless Class D Amplifiers
MIN
3.0
10
V
INPUTS AC-GROUNDED
SUPPLY VOLTAGE = I
POWER-SUPPLY REJECTION RATIO
RIPPLE
DD
to T
HPS = V
V
DD
3.5
= HPV
= 5V
Typical Operating Characteristics—Headphone Mode (continued)
MAX
= 100mV
100
vs. SUPPLY VOLTAGE
DD
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
vs. FREQUENCY
, unless otherwise noted. Typical values at T
FREQUENCY (Hz)
LH
P-P
DD
4.0
______________________________________________________________________________________
connected between HPR/HPL to GND. C
RIGHT
VDD
= 5V, GND = PGND = CPGND = 0V, SHDN = V
1k
+ I
4.5
LEFT
HPVDD
HPS = GND
HPV
10k
DD
5.0
= 3.3V
DD
100k
(SSM), speaker load R
5.5
-100
-120
-140
-10
-20
-30
-40
-50
-60
-70
-80
-20
-40
-60
-80
0
0
10
0
R
P
V
f = 1kHz
R
LEFT TO RIGHT
L
OUT
OUT
L
OUTPUT FREQUENCY SPECTRUM
= 32Ω
= 32Ω
CROSSTALK vs. FREQUENCY
= 32mW
= -60dBV
RIGHT TO LEFT
100
A
5
L
BIAS
= +25°C.)
connected between OUT+ and OUT-, unless otherwise noted, R
FREQUENCY (kHz)
FREQUENCY (Hz)
= 1µF to GND, 1µF capacitor between C1P and C1N, C
10
1k
DD
with Active Crossover
, GAIN1 = GAIN2 = GND (+9dB), FS0 = FS1 = GND (800Hz),
10k
15
100k
20
100
90
80
70
60
50
40
30
20
15
vs. CHARGE-PUMP CAPACITANCE
C1 = C2 = 1µF
20
TURN-ON/-OFF RESPONSE
C1 = C2 = 0.22µF
C1 = C2 = 0.47µF
25
OUTPUT POWER
LOAD (Ω)
100ms/div
30
35
40
f = 1kHz
THD+N = 1%
VSS
MAX9706 toc36
45
= 1µF.
L
= ∞.
50
11
2V/div
1V/div