max9728a Maxim Integrated Products, Inc., max9728a Datasheet - Page 6

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

60mW, DirectDrive, Stereo Headphone
Amplifiers with Shutdown
(V
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, T
6
TQFN
DD
EP
10
11
12
—
_______________________________________________________________________________________
1
2
3
4
5
6
7
8
9
= 5V, PGND = SGND = 0V, SHDN = V
500mV/div
PIN
V
5V/div
1V/div
V
SHDN
OUT_
V
TSSOP
IN_
6,13
10
11
12
14
—
3
4
5
7
8
9
1
2
NAME
PGND
SGND
SHDN
OUTR
OUTL
PV
SV
C1N
N.C.
EXITING SHUTDOWN
C1P
V
INR
INL
EP
DD
SS
SS
40
µ
s/div
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.
No Connection. Not internally connected.
Exposed Paddle. Leave this connection floating or connect it to SV
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
.
FUNCTION
500mV/div
V
5V/div
1V/div
V
A
SHDN
OUT_
V
= +25°C, unless otherwise noted.)
IN_
IN
= 20kΩ, R
ENTERING SHUTDOWN
F
20
= 30kΩ for the MAX9728A),
µ
SS
s/div
Pin Description
.