MAX9723BETE+T Maxim Integrated Products, MAX9723BETE+T Datasheet - Page 15

• Manufacturer Part Number: MAX9723BETE+T
• Description: IC AMP AUDIO .06W STER AB 16TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9723BETE+T

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 60mW x 2 @ 16 Ohm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Features: Bass Boost, Depop, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 7. MAX9723A and MAX9723B Gain
Settings (B5 = 1, Max Gain = 0dB)
the amplifier in dB determined by the maximum gain set-
ting (Bit 5) or the combination of the maximum gain set-
ting plus bass boost (see the BassMax Gain-Setting
Components section).
B4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
______________________________________________________________________________________
Stereo DirectDrive Headphone Amplifier
with BassMax, Volume Control, and I
B2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
B1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
(LSB)
B0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
MUTE
GAIN
(dB)
-0.5
-1.5
-2.5
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-45
-47
-1
-2
-3
-4
-5
-6
-7
-9
0
The AC-coupling capacitor (C
ting resistor form a highpass filter that removes any DC
bias from an input signal (see the Functional Diagram/
Typical Operating Circuit). C
bias the signal to an optimum DC level. The -3dB point
Table 8. MAX9723A and MAX9723B Gain
Settings (B5 = 0, Max Gain = -5dB)
B4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
B2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
Component Selection
Input-Coupling Capacitor
IN
IN
B1
allows the MAX9723 to
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
) and internal gain-set-
(LSB)
B0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
MUTE
GAIN
2
(dB)
-11
-13
-15
-17
-19
-21
-23
-25
-27
-29
-31
-33
-35
-37
-39
-41
-43
-45
-47
-51
-55
-59
-63
-67
-71
-75
-79
-5
-6
-7
-9
C
15