max9779etit Maxim Integrated Products, Inc., max9779etit Datasheet - Page 3

• Manufacturer Part Number: max9779etit
• Description: Max9779 2.6w Stereo Audio Power Amplifier And Directdrive Headphone Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, GAIN1 = GAIN2 = 0V, T
T
Output Power (Note 4)
Total Harmonic Distortion
Plus Noise
Signal-to-Noise Ratio
Noise
Capacitive-Load Drive
Crosstalk
Slew Rate
Gain (Maximum Volume Setting)
HEADPHONE AMPLIFIER (HPS = V
Output Offset Voltage
Power-Supply Rejection Ratio
(Note 3)
Output Power
Total Harmonic Distortion
Plus Noise
Signal-to-Noise Ratio
Noise
Capacitive-Load Drive
Crosstalk
Off-Isolation
Slew Rate
ESD
Gain
MAX
DD
, unless otherwise noted. Typical values are at T
= PV
PARAMETER
DD
= CPV
DD
_______________________________________________________________________________________
2.6W Stereo Audio Power Amplifier and
= HPV
DD
= 5V, GND = PGND = CPGND = 0V, SHDN = V
A
SYMBOL
V M AX ( S P KR)
DD
THD+N
THD+N
PSRR
P
P
SNR
SNR
ESD
V
)
C
SR
C
SR
OUT
V
OUT
V
A
OS
DirectDrive Headphone Amplifier
n
n
V
L
L
THD+N = 1%,
f = 1kHz,
T
R
R
R
BW = 22Hz to 22kHz
BW = 22Hz to 22kHz, A-weighted
No sustained oscillations
L to R, R to L, f = 10kHz
GAIN1 = 0, GAIN2 = 0
GAIN1 = 1, GAIN2 = 0
GAIN1 = 0, GAIN2 = 1
GAIN1 = 1, GAIN2 = 1
T
HPV
f = 1kHz, V
f = 10kHz, V
THD+N = 1%,
f = 1kHz, T
R
R
R
BW = 22Hz to 22kHz
BW = 22Hz to 22kHz
No sustained oscillations
L to R, R to L, f = 10kHz
Any unselected input to any active input,
f = 10kHz, input referred
GAIN2 = 0, GAIN1 = X
GAIN2 = 1, GAIN1 = X
IEC air discharge
A
A
L
L
L
L
L
L
A
= +25°C
= 8Ω, P
= 4Ω, P
= 8Ω, P
= +25°C
= 32Ω, P
= 16Ω, P
= 32Ω, P
DD
= +25°C.) (Note 1)
= 3V to 5.5V, T
OUT
OUT
OUT
A
RIPPLE
OUT
OUT
OUT
RIPPLE
= +25°C
CONDITIONS
= 500mW, f = 1kHz
= 1W, f = 1kHz
= 500mW,
= 20mW, f = 1kHz
= 75mW, f = 1kHz
= 50mW,
R
R
R
= 200mV
L
L
L
= 200mV
= 8Ω
= 4Ω
= 3Ω
A
= +25°C
P-P
P-P
R
R
L
L
= 32Ω
= 16Ω
DD
, C
BIAS
= 1µF, C1 = C2 = 1µF, speaker load
MIN
0.9
60
40
0.007
TYP
0.01
0.02
16.5
19.5
0.03
200
110
200
1.4
2.3
2.6
1.4
0.4
18
±8
90
80
75
15
±2
75
73
63
50
95
12
88
74
0
3
MAX
±7
A
= T
UNITS
µV
µV
V/µs
V/µs
mW
mV
dB
dB
dB
dB
dB
dB
dB
pF
pF
MIN
kV
W
%
%
RMS
RMS
to
3