MAX9765ETJ+T Maxim Integrated Products, MAX9765ETJ+T Datasheet - Page 15
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MAX9765ETJ+T
Manufacturer Part Number
MAX9765ETJ+T
Description
IC AMP AUDIO .75W STER AB 32TQFN
Manufacturer
Maxim Integrated Products
Type
Class ABr
Datasheet
1.MAX9766ETJ.pdf
(33 pages)
Specifications of MAX9765ETJ+T
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels @ Load
750mW x 2 @ 4 Ohm; 65mW x 2 @ 16 Ohm
Voltage - Supply
2.7 V ~ 5.5 V
Features
Depop, I²C, Input Multiplexer, Microphone, Mute, Short-Circuit and Thermal Protection, Shutdown
Mounting Type
Surface Mount
Package / Case
32-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
M A X9 7 6 5
2, 7, 18
26, 29
4, 21
5, 20
10
11
12
13
14
15
16
17
19
22
23
24
25
27
28
30
31
32
—
1
3
6
8
9
750mW Audio Amplifiers with Headphone Amp,
M A X9 7 6 6
2, 7, 18
26, 29
4, 21
5, 20
PIN
10
11
12
13
14
15
17
22
24
25
27
28
30
31
32
16
—
—
—
1
3
6
8
9
______________________________________________________________________________________
24, 27, 32
M A X9 7 6 7
2, 7, 8,
18, 23,
4, 21
5, 20
10
11
12
13
14
15
22
19
29
31
16
—
—
—
—
—
—
—
—
—
—
—
1
6
3
Microphone Preamp, and Input Mux
MICOUT+
MICBIAS
MICOUT
MICIN+
OUTL+
OUTR+
MICIN-
AUXIN
GAINR
OUTR-
GAINL
NAME
OUTL-
SHDN
PGND
PV
SV
GND
INR2
INR1
BIAS
INL2
INL1
ADD
N.C.
SDA
SCL
HPS
V
DD
DD
DD
Active-Low Shutdown. Connect SHDN to V
No Connection. Not internally connected.
Left-Channel Bridged Amplifier Positive Output. OUTL+ also serves as the
left-channel headphone amplifier output.
Output Amplifier Power Supply. Connect PV
Power Ground. Connect PGND to GND.
Left-Channel Bridged Amplifier Negative Output
Left-Channel Input 2
Left-Channel Input 1
Differential Microphone Amplifier Noninverting Input
Differential Microphone Amplifier Inverting Input
Single-Ended Microphone Amplifier Input
Power Supply
Standby Power Supply. Connect to a standby power supply that is always on,
or connect to V
capacitor to GND. Short to V
Microphone Bias Output. Bypass MICBIAS with a 1µF capacitor to GND.
Microphone Amplifier Output
Right-Channel Gain Set
Right-Channel Bridged Amplifier Negative Output
Right-Channel Bridged Amplifier Positive Output. OUTR+ also serves as the
right-channel headphone amplifier output.
Address Select. A logic high sets the address LSB to 1, a logic low sets the
address LSB to 0.
Bidirectional Serial Data I/O
Serial Clock Line
Ground
Right-Channel Input 2
Right-Channel Input 1
Headphone Sense Input
DC Bias Bypass. See BIAS Capacitor section for capacitor selection.
Connect C
Left-Channel Gain Set
Microphone Amplifier Positive Output
BIAS
DD
capacitor from BIAS to GND.
through a Schottky diode and bypass with a 220µF
DD
if clickless operation is not essential.
FUNCTION
DD
DD
for normal operation.
to V
Pin Description
DD
.
15