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MAX9750CEUI Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX9750CEUI
Description  2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
PDF  30 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX9750CEUI Datasheet(HTML) 4 Page - Maxim Integrated Products

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2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = CPVDD = HPVDD = 5V, GND = PGND = CPGND = 0V, SHDN = VDD, CBIAS = 1µF, C1 = C2 = 1µF, speaker load ter-
minated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, MAX9750: GAIN1 = GAIN2 = VOL =
RL = 33k
Ω = GND, MAX9751/MAX9755: GAIN = VDD = IN1/2 = GND, TA = TMIN to TMAX, unless otherwise noted. Typical values are
at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HEADPHONE AMPLIFIER (HPS = VDD)
Output Offset Voltage
VOS
TA = +25°C
±2
±7mV
HPVDD = 3V to 5.5V, TA = +25°C70
75
f = 1kHz, VRIPPLE = 200mVP-P
73
Power-Supply Rejection Ratio
(Note 3)
PSRR
f = 10kHz, VRIPPLE = 200mVP-P
63
dB
RL = 32
Ω
40
50
Output Power
POUT
THD+N = 1%,
f = 1kHz,
TA = +25°C
RL = 16
Ω
110
mW
RL = 32
Ω, POUT = 20mW, f = 1kHz
0.007
Total Harmonic Distortion Plus
Noise
THD+N
RL = 16
Ω, POUT = 75mW, f = 1kHz
0.03
%
Signal-to-Noise Ratio
SNR
RL = 32
Ω, POUT = 50mW,
BW = 22Hz to 22kHz
95
dB
Noise
Vn
BW = 22Hz to 22kHz
12
µVRMS
Capacitive-Load Drive
CL
No sustained oscillations
200
pF
L to R, R to L, f = 10kHz
88
Crosstalk
Any unselected input to any active input,
f = 10kHz (MAX9751)
88
dB
Slew Rate
SR
0.4
V/µs
ESD
ESD
IEC air discharge
±8
kV
GAIN2 = GAIN = 1, GAIN1 = X
0
Gain
AV
GAIN2 = GAIN = 0, GAIN1 = X
3
dB
CHARGE PUMP
Charge-Pump Frequency
fOSC
500
550
600
kHz
VOLUME CONTROL (MAX9750_)
VOL Input Impedance
RVOL
100
M
Ω
VOL Input Hysteresis
10
mV
Full Mute Input Voltage
(Note 4)
0.858 x
HPVDD
V
Channel Matching
AV = -25dB to +13.5dB
±0.2
dB
BEEP INPUT (MAX9750_)
Beep Signal Minimum Amplitude
VBEEP
0.8
VP-P
Beep Signal Minimum Frequency
fBEEP
200
Hz



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