Maxim MAX9777 Manual page 3

Stereo 3W Audio Power Amplifiers with
ELECTRICAL CHARACTERISTICS (continued)
(V = PV = 5.0V, GND = PGND = 0V, V
DD DD
noted. Typical values are at T
PARAMETER
OUTPUT AMPLIFIERS (HEADPHONE MODE, HPS = V
Power-Supply Rejection Ratio
(Note 2)
Output Power
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Slew Rate
Maximum Capacitive Load Drive
Crosstalk
BIAS VOLTAGE (BIAS)
BIAS Voltage
Output Resistance
DIGITAL INPUTS (MUTE, SHDN, HPS_EN, GAINA/B, IN1 1 1 1 /2)
Input-Voltage High
Input-Voltage Low
Input Leakage Current
HEADPHONE SENSE INPUT (HPS)
Input-Voltage High
Input-Voltage Low
Input Leakage Current
Click/Pop Level
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Headphone Drive and Input Mux
= 5V, C
SHDN
BIAS
= +25°C.) (Note 1)
A
SYMBOL
DD
V = 4.5V to 5.5V
DD
PSRR f = 1kHz, V
f = 20kHz, V
f = 1kHz, THD+N <
IN
P
OUT
1%, T = +25°C
A
f = 1kHz,
IN
THD+N
BW = 22Hz to 22kHz
R = 32Ω, BW = 22Hz to 22kHz,
L
SNR
V = 1V
OUT
SR
C No sustained oscillations
L
f = 10kHz
IN
V
BIAS
R
BIAS
V
IH
V
IL
I
IN
V
IH
V
IL
I
IN
Peak voltage, A-weighted,
K 32 samples per second
CP
(Notes 2, 4)
= 1µF, R = R = 15kΩ, R
IN F
CONDITIONS
)
= 200mV
RIPPLE P-P
= 200mV
RIPPLE P-P
R = 32Ω
L
R = 16Ω
L
P = 60mW,
OUT
R = 32Ω
L
P = 125mW,
OUT
R = 16Ω
L
RMS
Into shutdown
Out of shutdown
= ∞. T = T to T , unless otherwise
L A MIN MAX
MIN TYP MAX
75 106
88
76
88
200
0.002
0.002
92
1.8
2
78
2.35 2.5 2.65
50
2
0.8
±1
0.9 x
V
DD
0.7 x
V
DD
±1
-70
-52
UNITS
dB
mW
%
dB
V/µs
nF
dB
V
kΩ
V
V
µA
V
V
µA
dBV
3