MAX9724BETC+ Maxim Integrated Products, MAX9724BETC+ Datasheet - Page 8

• Manufacturer Part Number: MAX9724BETC+
• Description: IC AMP AUDIO .045W STER 12TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9724BETC+

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 63mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 12-TQFN Exposed Pad
• Product: General Purpose Audio Amplifiers
• Output Power: 42 mW
• Thd Plus Noise: 0.02 %
• Supply Current: 3.5 mA
• Maximum Power Dissipation: 1333 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 16 Ohms
• Minimum Operating Temperature: - 40 C
• Amplifier Class: AB
• No. Of Channels: 2
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 16ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TQFN
• Rohs Compliant: Yes
• For Use With: MAX9724AEVKIT+ - EVALUATION KIT FOR MAX9724A/BMAX9724DEVKIT+ - KIT EVAL FOR MAX9724D
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
C1P
C1N
V
INR
INL
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
ENTERING SHUTDOWN
= 20kΩ, R
SS
20
or leave unconnected.
μ
s/div
F
= 30kΩ for the MAX9724A),
Pin Description