MAX9715 Maxim Integrated Products, MAX9715 Datasheet - Page 6

• Manufacturer Part Number: MAX9715
• Description: Filterless Class D Audio Amplifier
• Manufacturer: Maxim Integrated Products

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2.8W, Low-EMI, Stereo, Filterless Class D
Audio Amplifier
(V
Typical Operating Circuit/Functional Diagram)
6
DD
TQFN
1, 12
_______________________________________________________________________________________
4, 9
10
11
13
14
15
16
EP
2
3
5
6
7
8
= 5.0V, C
PIN
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
TSSOP
0
VDD
4, 13
7, 10
1, 14
4.5
11
12
15
16
—
—
5
6
8
9
2
3
= 3 x 0.1µF, C
4.8
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
OUTR+
SUPPLY VOLTAGE (V)
OUTL+
OUTR-
NAME
OUTL-
PGND
SHDN
PV
GAIN
GND
BIAS
N.C.
V
INR
INL
EP
DD
DD
5.0
BIAS
Power Ground
Left-Channel Positive Speaker Output
Left-Channel Negative Speaker Output
Positive Speaker Power-Supply Input. Power-supply input for speaker amplifier output stages.
Connect to V
No connection. Not internally connected.
Gain Select. Sets the internal amplifier gain. See the Gain Selection section.
Ground
Shutdown Control. Drive SHDN low to shut down the MAX9715.
Right-Channel Negative Speaker Output
Right-Channel Positive Speaker Output
Bias Voltage Output. V
Positive Power-Supply Input. Bypass to GND with a 0.1µF ceramic capacitor.
Right-Channel Input
Left-Channel Input
Exposed Paddle. Connect EP to an electrically isolated copper pad or GND.
= 1µF, C
5.3
Typical Operating Characteristics (continued)
5.5
INL
DD
= C
and bypass with 0.1µF to PGND.
INR
BIAS
= 1µF, A
= 1.8V, bypass BIAS to GND with a 1µF ceramic capacitor.
V
= +10.5dB, T
FUNCTION
A
POWER-ON/OFF WAVEFORM
= +25°C, unless otherwise noted.) (See the
10ms/div
Pin Description
MAX9715 toc17
SHDN
5V/div
I
200mA/div
OUT