MAX4411ETP+ Maxim Integrated Products, MAX4411ETP+ Datasheet - Page 8

• Manufacturer Part Number: MAX4411ETP+
• Description: IC AMP AUDIO .08W STER AB 20TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX4411ETP+

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 80mW x 2 @ 16 Ohm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 20-TQFN Exposed Pad
• Product: General Purpose Audio Amplifiers
• Output Power: 80 mW
• Thd Plus Noise: 0.007 %
• Operating Supply Voltage: 1.8 V to 3.6 V
• Supply Current: 3.2 mA
• Maximum Power Dissipation: 1349 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.8 V
• Amplifier Class: AB
• No. Of Channels: 2
• Supply Voltage Range: 1.8V To 3.6V
• Load Impedance: 16ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TQFN
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

80mW, Fixed-Gain, DirectDrive, Stereo
Headphone Amplifier with Shutdown
(
8
C1 = C2 = 2.2µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
4, 6, 8, 12,
16, 20
_______________________________________________________________________________________
QFN
PIN
10
11
13
14
15
17
18
19
—
1
2
3
5
7
9
SHDNR
OUTR
f
R
SHDNL = GND
IN
L
= 1kHz
= 32Ω
BUMP
UCSP
A4
B4
C4
D4
D3
D2
D1
C2
C1
B1
A1
A2
B2
A3
—
—
EXITING SHUTDOWN
200μs/div
SHDNR
SHDNL
NAME
PGND
SGND
OUTL
OUTR
SV
PV
PV
SV
C1N
N.C.
C1P
INR
INL
EP
DD
DD
SS
SS
MAX4411 toc40
Flying Capacitor Positive Terminal
Power Ground. Connect to ground (0V).
Flying Capacitor Negative Terminal
No Connection. Not internally connected.
Charge-Pump Output
Amplifier Negative Power Supply. Connect to PV
Left-Channel Output
Amplifier Positive Power Supply. Connect to positive supply (1.8V to 3.6V).
Right-Channel Output
Left-Channel Audio Input
Active-Low Right-Channel Shutdown. Connect to V
Right-Channel Audio Input
Signal Ground. Connect to ground (0V).
Active-Low Left-Channel Shutdown. Connect to V
Charge-Pump Power Supply. Powers charge-pump inverter, charge-pump logic, and
oscillator. Connect to positive supply (1.8V to 3.6V).
Exposed Paddle. Leave unconnected. Do not connect to any voltage including
GND or V
Typical Operating Characteristics (continued)
2V/div
500mV/div
DD
.
A
= +25°C, unless otherwise noted.
OUT_FFT
OUT_
V
DD
FUNCTION
R
V
L
IN_
= 32Ω
-100dB
POWER-UP/DOWN WAVEFORM
= GND
SS
DD
.
DD
for normal operation.
FFT: 25Hz/div
for normal operation.
200ms/div
)
Pin Description
MAX4411 toc41
3V
0V
10mV/div
20dB/div