MAX9755 Maxim Integrated Products, MAX9755 Datasheet - Page 4

• Manufacturer Part Number: MAX9755
• Description: 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products

2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
minated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, MAX9750: GAIN1 = GAIN2 = VOL =
R
at T
4
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
Slew Rate
ESD
Gain
CHARGE PUMP
Charge-Pump Frequency
VOLUME CONTROL (MAX9750_)
VOL Input Impedance
VOL Input Hysteresis
Full Mute Input Voltage
Channel Matching
BEEP INPUT (MAX9750_)
Beep Signal Minimum Amplitude
Beep Signal Minimum Frequency
L
DD
= 33kΩ = GND, MAX9751/MAX9755: GAIN = V
A
_______________________________________________________________________________________
= PV
= +25°C.) (Note 1)
DD
PARAMETER
= CPV
DD
= HPV
DD
= 5V, GND = PGND = CPGND = 0V, SHDN = V
SYMBOL
DD
THD+N
V
PSRR
f
P
R
f
SNR
ESD
BEEP
V
)
OSC
BEEP
OUT
C
SR
A
V
VOL
OS
n
L
V
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 (MAX9751)
IEC air discharge
GAIN2 = GAIN = 1, GAIN1 = X
GAIN2 = GAIN = 0, GAIN1 = X
(Note 4)
A
DD
A
A
L
L
L
V
= +25°C
= +25°C
= 32Ω, P
= 16Ω, P
= 32Ω, P
= -25dB to +13.5dB
= IN1/2 = GND, T
DD
= 3V to 5.5V, T
RIPPLE
OUT
OUT
OUT
RIPPLE
CONDITIONS
= 20mW, f = 1kHz
= 75mW, f = 1kHz
= 50mW,
R
R
= 200mV
L
L
= 200mV
= 32Ω
= 16Ω
A
A
= T
= +25°C
P-P
MIN
P-P
to T
DD
, C
MAX
BIAS
, unless otherwise noted. Typical values are
= 1µF, C1 = C2 = 1µF, speaker load ter-
MIN
500
70
40
0.858 x
HPV
0.007
TYP
0.03
±0.2
110
200
550
100
200
0.4
0.8
±8
±2
75
73
63
50
95
12
88
88
10
0
3
www.DataSheet4U.com
DD
MAX
600
±7
UNITS
µV
V
V/µs
mW
kHz
MΩ
mV
mV
dB
dB
dB
dB
dB
pF
Hz
kV
%
RMS
P-P
V