max9722beue Maxim Integrated Products, Inc., max9722beue Datasheet - Page 7
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max9722beue
Manufacturer Part Number
max9722beue
Description
5v, Differential Input, Directdrive, 130mw Stereo Headphone Amplifiers With Shutdown Products
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX9722BEUE.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX9722BEUE
Manufacturer:
MAXIM/美信
Quantity:
20 000
(MAX9722A, PV
THD+N measurement bandwidth = 22Hz to 22kHz, T
THIN QFN
9, 13
10
11
12
14
15
16
—
EXIT SHUTDOWN TRANSIENT
1
2
3
4
5
6
7
8
Stereo Headphone Amplifiers with Shutdown
PIN
200µs/div
TSSOP
11, 15
DD
10
12
13
14
16
5V, Differential Input, DirectDrive, 130mW
—
3
4
5
6
7
8
9
1
2
= SV
_______________________________________________________________________________________
DD
NAME
PGND
SGND
OUTR
SHDN
OUTL
PV
SV
MAX9722 toc31
INR+
PV
SV
INL+
= +5V, PGND = SGND = 0V, SHDN = SV
C1P
C1N
INR-
INL-
EP
DD
DD
SS
SS
SHDN
2V/div
OUT
500mV/div
Charge-Pump Power Supply. Powers charge-pump inverter, charge-pump logic, and oscillator.
Connect to positive supply (2.4V to 5.5V). Bypass with a 1µF capacitor to PGND as close to the
pin as possible.
Flying Capacitor Positive Terminal
Power Ground. Connect to ground.
Flying Capacitor Negative Terminal
Charge-Pump Output. Connect to SV
Signal Ground. Connect to ground.
Noninverting Right-Channel Audio Input
Inverting Right-Channel Audio Input
Amplifier Positive Power Supply. Connect to positive supply (2.4V to 5.5V). Bypass with a 1µF
capacitor to SGND as close to the pin as possible.
Right-Channel Output
Amplifier Negative Power Supply. Connect to PV
Left-Channel Output
Inverting Left-Channel Audio Input
Noninverting Left-Channel Audio Input
Active-Low Shutdown Input
Exposed Paddle. Leave this connection unconnected or solder to a piece of electrically
isolated copper. Do not connect to any voltage potential.
Typical Operating Characteristics (continued)
SHUTDOWN TRANSIENT
A
= +25°C, unless otherwise noted.)
400µs/div
DD
MAX9722 toc32
, C1 = C2 = 1µF, R
SS
.
FUNCTION
SHDN
2V/div
OUT
500mV/div
SS
.
L
= ∞, gain = -1V/V, single-ended input,
POWER-UP/DOWN TRANSIENT
Pin Description
20ms/div
MAX9722 toc33
V
2V/div
OUT
5mV/div
DD
7