2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
ꢀLꢀCTRICAL CHARACTꢀRISTICS (continued)
(V
= PV
= CPV
= HPV
= 5V, GND = PGND = CPGND = 0V, SHDN = V , C
= 1µF, C1 = C2 = 1µF, speaker load ter-
BIAS
DD
DD
DD
DD
DD
minated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, MAX9750: GAIN1 = GAIN2 = VOL =
= IN1/2 = GND, T = T to T , unless otherwise noted. Typical values are
R = 33kΩ = GND, MAX9751/MAX9755: GAIN = V
L
DD
A
MIN
MAX
at T = +25°C.) (Note 1)
A
PARAMꢀTꢀR
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUT (SHDN, GAIN1, GAIN2, GAIN, VOL, IN1/2, HPS)
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
V
2
V
V
IH
V
0.8
1
IL
I
µA
IN
Note 1: All devices are 100% production tested at room temperature. All temperature limits are guaranteed by design.
Note 2: Guaranteed by design. Not production tested.
Note 3: PSRR is specified with the amplifier input connected to GND through C
Note 4: See Table 3 for details of the mute levels.
.
IN
Note 5: The value of R dictates the minimum beep signal amplitude (see the Beep Input section).
B
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
