max9761 Maxim Integrated Products, Inc., max9761 Datasheet - Page 11

• Manufacturer Part Number: max9761
• Description: Stereo 3w Audio Power Amplifiers With Headphone Drive And Input Mux
• Manufacturer: Maxim Integrated Products, Inc.

23, 27
11, 25
9, 13,
QFN
10
12
14
15
16
17
18
1
2
3
4
5
6
7
8
MAX9760
TSSOP
20, 24
6, 10,
8, 22
26
27
28
11
12
13
14
15
1
2
3
4
5
7
9
______________________________________________________________________________________
23, 27
11, 25
Stereo 3W Audio Power Amplifiers with
9, 13,
QFN
—
—
10
12
14
—
16
17
18
3
4
5
6
7
8
MAX9761
6, 10, 20,
TSSOP
8, 22
28
24
11
13
14
15
—
—
—
1
2
3
4
5
7
9
PIN
Headphone Drive and Input Mux
11, 25
9, 23,
QFN
27
10
14
15
16
17
13
—
1
2
3
4
5
6
7
8
MAX9762
6, 20, 24 9, 23, 27 6, 20, 24
TSSOP
8, 22
26
27
28
11
12
13
14
10
—
1
2
3
4
5
7
11, 25
QFN
10
14
16
17
13
—
—
—
—
3
4
5
6
7
8
MAX9763
TSSOP
8, 22
28
11
13
14
10
—
—
—
—
1
2
3
4
5
7
GAINLA
GAINLB
OUTL+
NAME
OUTL-
PGND
SHDN
SV
PV
BIAS
GND
INL1
INL2
ADD
SDA
HPS
V
INT
DD
DD
DD
Bidirectional Serial Data I/O
µC Interrupt Output
Power Supply
Standby Power Supply. Connect
to a standby power supply that is
always on, or connect to V
through a Schottky diode and
bypass with 220µF capacitor to
GND. Short to V
operation is not essential.
Left-Channel Input 1
Left-Channel Input 2
Left-Channel Gain Set A
Left-Channel Gain Set B
Power Ground
Left-Channel Bridged Amplifier
Positive Output. OUTL+ also
serves as the left-channel
headphone amplifier output.
Output Amplifier Power Supply
Left-Channel Bridged Amplifier
Negative Output
Active-Low Shutdown. Connect
SHDN to V
Address Select. A logic high sets
the address LSB to 1, a logic low
sets the address LSB to zero.
Headphone Sense Input. A logic
high configures the device as a
single-ended headphone amp. A
logic low configures the device as
a BTL speaker amp.
DC Bias Bypass. See BIAS
Capacitor Selection section for
capacitor selection. Connect
C
Ground
BIAS
from BIAS to GND.
Pin Description
DD
FUNCTION
for normal operation.
DD
if clickless
DD
11