max9724a Maxim Integrated Products, Inc., max9724a Datasheet - Page 8

• Manufacturer Part Number: max9724a
• Description: 60mw, Directdrive, Stereo Headphone Amplifier With Low Rf Susceptibility And Shutdown
• Manufacturer: Maxim Integrated Products, Inc.

60mW, DirectDrive, Stereo Headphone Amplifier
with Low RF Susceptibility and Shutdown
(V
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, T
8
TQFN
DD
EP
10
11
12
1
2
3
4
5
6
7
8
9
_______________________________________________________________________________________
= 5V, PGND = SGND = 0V, SHDN = V
PIN
500mV/div
UCSP
V
5V/div
1V/div
V
C1
C2
C3
C4
A2
B3
A1
B2
B4
A3
A4
B1
—
SHDN
OUT_
V
IN_
NAME
PGND
SHDN
SGND
OUTR
OUTL
PV
SV
C1N
C1P
V
INL
INR
EP
DD
SS
SS
EXITING SHUTDOWN
40
Flying Capacitor Positive Terminal. Connect a 1µF ceramic capacitor from C1P to C1N.
Power Ground. Connect to SGND.
Flying Capacitor Negative Terminal. Connect a 1µF ceramic capacitor from C1P to C1N.
Charge-Pump Output. Connect to SV
Active-Low Shutdown Input
Left-Channel Input
Signal Ground. Connect to PGND.
Right-Channel Input
Amplifier Negative Supply. Connect to PV
Right-Channel Output
Left-Channel Output
Positive Power-Supply Input. Bypass with a 1µF capacitor to PGND.
Exposed Paddle. Internally connected to SV
μ
s/div
DD
, C1 = C2 = 1µF, R
Typical Operating Characteristics (continued)
L
= ∞, gain = -1.5V/V (R
SS
and bypass with a 1µF ceramic capacitor to PGND.
SS
500mV/div
.
SS
V
5V/div
1V/div
V
FUNCTION
SHDN
OUT_
V
. Connect to SV
IN_
A
= +25°C, unless otherwise noted.)
IN
= 20kΩ, R
ENTERING SHUTDOWN
SS
20
or leave unconnected.
μ
s/div
F
= 30kΩ for the MAX9724A),
Pin Description