MAX9722AETE Maxim Integrated, MAX9722AETE Datasheet - Page 7
MAX9722AETE
Manufacturer Part Number
MAX9722AETE
Description
Audio Amplifiers
Manufacturer
Maxim Integrated
Datasheet
1.MAX9722BETE.pdf
(21 pages)
Specifications of MAX9722AETE
Product
General Purpose Audio Amplifiers
Output Power
130 mW
Thd Plus Noise
0.01%
Supply Current
5.5 mA
Maximum Power Dissipation
1176 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
TQFN-16
Audio Load Resistance
16 Ohms
Common Mode Rejection Ratio (min)
- 70 dB
Input Offset Voltage
0.5 mV
Minimum Operating Temperature
- 40 C
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX9722AETE
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX9722AETE+
Manufacturer:
Maxim Integrated Products
Quantity:
125 535
Company:
Part Number:
MAX9722AETE+T
Manufacturer:
ST
Quantity:
137
Part Number:
MAX9722AETE+T
Manufacturer:
MAXIM
Quantity:
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(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. The exposed paddle can be either connected to PV
isolated copper plane. Do not connect to PGND, SGND, PV
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
DD
, or SV
Pin Description
20ms/div
SS
DD
or a small electrically
.
MAX9722 toc33
V
2V/div
OUT
5mV/div
DD
7