MAX9776 Maxim Integrated Products, MAX9776 Datasheet - Page 5

• Manufacturer Part Number: MAX9776
• Description: (MAX9775 / MAX9776) Stereo Class D Audio Subsystem
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
0dB, volume setting = 0dB, mono path gain = 0dB, SHDN = 1, SSM = 1). Speaker load resistors (R
OUT_+ and OUT_-, headphone load resistors are terminated to GND, unless otherwise noted. C1 = C2 = C3 = 1µF. T
T
Output Power
Current Limit
Gain
Channel-to-Channel Gain
Tracking
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Slew Rate
Capacitive Drive
Crosstalk
VOLUME CONTROL
Volume Control
Mono Gain
Input Pair A Control
Mute Attenuation
(Minimum Volume)
DIGITAL INPUTS (SHDN, SDA, SCL)
Input-Voltage High
Input-Voltage Low
Input Hysteresis (SDA, SCL)
MAX
DD
, unless otherwise noted. Typical values are at T
= PV
DD
PARAMETER
= CPV
2 x 1.5W, Stereo Class D Audio Subsystem
DD
_______________________________________________________________________________________
= 3.3V, GND = PGND = CPGND = 0V, SHDN = V
with DirectDrive Headphone Amplifier
SYMBOL
THD+N
P
V
SNR
V
V
A
SR
C
OUT
HYS
IH
IL
V
L
T
THD+N = 1%
T
R
R
R
V
L to R, R to L, f = 10kHz, R
V
IN+6dB = 0
(minimum gain
setting)
IN+6dB = 1
(maximum gain
setting)
All outputs
INA+20dB = 0 (minimum gain setting)
INA+20dB = 1 (maximum gain setting)
V
A
A
L
L
L
OUT
OUT
IN
= +25°C,
= +25°C
= 16Ω (V
= 32Ω (V
= 16Ω,
A
= 1V
= +25°C.) (Note 1)
= 800mV
= 160mV
RMS
OUT
OUT
CONDITIONS
RMS
RMS
= 800mV
= 800mV
R
R
BW = 20Hz to
20kHz
A-weighted
HP gain (max)
SP gain (max)
HP gain (min)
SP gain (min)
HP gain (max)
SP gain (max)
HP gain (min)
SP gain (min)
Mono+6dB = 0
Mono+6dB = 1
DD
L
L
RMS
RMS
L
, I
= 16Ω
= 32Ω
= 16Ω,
2
C settings (INA gain = +20dB, INB gain = INC gain =
, f = 1kHz)
, f = 1kHz)
MIN
1.4
Set by IN+6dB
LSP
0.024
TYP
0.03
170
300
200
-72
-63
-61
-57
0.3
+3
±1
60
50
92
93
75
12
18
20
80
) are terminated between
3
9
0
6
MAX
0.4
A
= T
UNITS
V/µs
mW
mA
mV
dB
dB
dB
dB
dB
dB
dB
pF
MIN
%
%
V
V
to
5