max9728a Maxim Integrated Products, Inc., max9728a Datasheet - Page 3

• Manufacturer Part Number: max9728a
• Description: 60mw, Directdrive, Stereo Headphone Amplifier With Shutdown
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
(R
are at T
Note 3: All specifications are 100% tested at T
Note 4: Gain for the MAX9728A is adjustable.
Note 5: Test performed with a 32Ω resistive load connected to GND. Mode transitions are controlled by SHDN. K
Signal-to-Noise Ratio
Slew Rate
Capacitive Drive
Crosstalk
Charge-Pump Oscillator
Frequency
Click-and-Pop Level
DIGITAL INPUTS (SHDN)
Input Voltage High
Input Voltage Low
Input Leakage Current
DD
IN
= 20kΩ, R
= 5V, PGND = SGND, SHDN = 5V, C1 = C2 = 1µF, R
A
ed as 20log[(peak voltage during mode transition, no input signal)/(peak voltage under normal operation at rated power
level)]. Units are expressed in dB.
= +25°C, unless otherwise noted.) (Note 3)
PARAMETER
F
= 30kΩ); for MAX9728B gain = -1.5V/V (internally set), T
_______________________________________________________________________________________
60mW, DirectDrive, Stereo Headphone
SYMBOL
SNR
f
V
V
K
OSC
SR
C
INH
INL
CP
L
A
= +25°C; temperature limits are guaranteed by design.
R
V
R
P
No sustained oscillations
L to R, R to L, f = 10kHz, R
15mW
R
A-weighted, 32 samples per
second (Note 5)
OUT
OUT
L
L
L
= 1kΩ,
= 32Ω,
= 32Ω, peak voltage,
= 2V
= 50mW
RMS
L
= ∞, resistive load reference to ground; for MAX9728A gain = -1.5V/V
Amplifier with Shutdown
CONDITIONS
BW = 22Hz to 22kHz
A-weighted
BW = 22Hz to 22kHz
A-weighted
A
= -40°C to +85°C, unless otherwise noted. Typical values
L
= 16Ω, P
Into shutdown
Out of
shutdown
OUT
=
MIN
190
2
TYP
102
105
101
100
270
0.5
-70
-67
-64
98
CP
MAX
level is calculat-
400
0.8
±1
UNITS
V/µs
kHz
dB
pF
dB
dB
µA
V
V
3