Rainbow Electronics MAX9755 - Manual (Page 3)

MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V DD = PV DD = CPV DD = HPV DD = 5V, GND = PGND = CPGND = 0V, SHDN = V DD , C BIAS = 1µF, C1 = C2 = 1µF, speaker load
terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, GAIN1 = GAIN2 = VOL = GAIN = 0V,
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX9750A/
MAX9750B/
MAX9751/
MAX9755
0.9 1.4
R L = 8 Ω
MAX9750C 0.65 0.8
MAX9750A/
MAX9750B/
MAX9751/
MAX9755
2.3
R L = 4
Ω
MAX9750C 1.2 1.5
MAX9750A/
MAX9750B/
MAX9751/
MAX9755
2.6
Output Power (Note 4) P OUT
THD+N = 1%,
f = 1kHz,
T
A = +25°C
R L = 3
Ω
MAX9750C 2.2
W
R L = 8
Ω
, P OUT = 500mW, f = 1kHz 0.01 Total Harmonic Distortion Plus
Noise
THD+N
R L = 4 Ω , P OUT = 1W, f = 1kHz 0.02
%
Signal-to-Noise Ratio SNR
R L = 8
Ω
, P OUT = 500mW, BW = 22Hz to
22kHz
90 dB
Noise V n BW = 22Hz to 22kHz, A-weighted 80 µV RMS
Capacitive-Load Drive C L No sustained oscillations 200 pF
Crosstalk L to R, R to L, f = 10kHz 75
Off-Isolation
Any unselected input to any active input,
f = 10kHz (MAX9751), input referred
75
dB
Slew Rate SR 1.4 V/µs
GAIN1 = 0, GAIN2 = 0 9
GAIN1 = 1, GAIN2 = 0 10.5
GAIN1 = 0, GAIN2 = 1 12
MAX9750A
GAIN1 = 1, GAIN2 = 1 13.5
GAIN1 = 0, GAIN2 = 0 15
GAIN1 = 1, GAIN2 = 0 16.5
GAIN1 = 0, GAIN2 = 1 18
MAX9750B
GAIN1 = 1, GAIN2 = 1 19.5
GAIN1 = 0, GAIN2 = 0 6
GAIN1 = 1, GAIN2 = 0 7.5
GAIN1 = 0, GAIN2 = 1 9
Gain (Maximum Volume Setting) A VMAX(SPKR)
MAX9750C
GAIN1 = 1, GAIN2 = 1 10.5
dB
GAIN = 1 9
Gain (MAX9751/MAX9755) A V
GAIN = 0 10.5
dB