MAX9759 Maxim Integrated Products, MAX9759 Datasheet - Page 3

• Manufacturer Part Number: MAX9759
• Description: 3.2W High-Efficiency Low-EMI Filterless Class D Audio Amplifier
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (V
(V
(R
ues are at T
Output Power
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Oscillator Frequency
SYNC Frequency Lock Range
Click-and-Pop Level
Efficiency
DIGITAL INPUTS (SHDN, MUTE, G1, G2, SYNC)
SYNC, G1, G2 Input Voltage High
SYNC, G1, G2 Input Voltage Low
SHDN, MUTE Voltage High
SHDN, MUTE Voltage Low
SYNC Input Resistance
SYNC Input Current
SHDN, MUTE, G1, G2 Input
Current
SYNC Capacitance
DIGITAL OUTPUTS (SYNC_OUT)
Output Voltage High
Output Voltage Low
SYNC_OUT Capacitive Drive
DD
L
) connected between OUT+ and OUT-, unless otherwise noted, R
= PV
DD
PARAMETER
A
= +25°C.) (Notes 1, 2)
= SHDN = MUTE = 5V, GND = PGND = 0V, SYNC = 0V (FFM). Gain = 12dB (G1 = 0, G2 = 1). Speaker load resistor
3.2W, High Efficiency, Low-EMI, Filterless,
_______________________________________________________________________________________
SYMBOL
THD+N
P
SNR
f
V
V
V
V
V
K
V
OSC
OUT
INH
INH
INL
INL
OH
η
CP
OL
THD+N = 1%
THD+N = 10%
f
FFM or SSM,
P
P
R
SYNC = GND (FFM mode)
SYNC = FLOAT (FFM mode)
SYNC = V
TTL-compatible clock input
Peak voltage,
A-weighted, 32 samples
per second (Notes 3, 4)
P
with 68µH
I
I
TTL-compatible clock output
IN
OH
OL
OUT
OUT
OUT
L
= 1kHz, either
= 8Ω
= 3mA
= 3mA
DD
= 1W
= 1W,
= 1W, f
DD
= 5.0V) (continued)
IN
(SSM mode)
BW = 22Hz to
22kHz
A-weighted
CONDITIONS
= 1kHz, R
Class D Audio Amplifier
L
= ∞, T
R
R
R
R
R
R
R
R
R
L
L
L
L
L
L
L
L
L
L
= 3Ω
= 4Ω
= 8Ω
= 3Ω
= 4Ω
= 8Ω
= 3Ω
= 4Ω
= 8Ω
Into shutdown
Out of shutdown
= 8Ω in series
A
= T
MIN
FFM
SSM
FFM
SSM
to T
MAX
, unless otherwise noted. Typical val-
V
1000
1102
1000
DD
MIN
2.4
2
x 0.9
1100
1500
1200
TYP
0.08
0.05
0.02
±70
200
100
-50
-57
3.4
2.6
1.4
4.3
3.2
1.8
93
89
96
92
92
10
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V
DD
MAX
1200
1837
1600
±35
0.8
0.4
±1
x 0.1
UNITS
kHz
kHz
dB
dB
kΩ
µA
µA
pF
pF
W
%
%
V
V
V
V
V
V
3