MAX9729ETI+T Maxim Integrated Products, MAX9729ETI+T Datasheet - Page 20

• Manufacturer Part Number: MAX9729ETI+T
• Description: IC AMP AUDIO .052W STER 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9729ETI+T

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 52mW x 2 @ 32 Ohm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Features: Bass Boost, Depop, I²C, Input Multiplexer, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 5c. Volume Control (Register 0x00)
Stereo Headphone Amplifier with BassMax,
Volume Control, and Input Mux
20
B4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
______________________________________________________________________________________
B3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
B2
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
1
1
1
1
B1
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
1
1
B0
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
1
ATTEN FROM
SETTING (dB
MAX GAIN
MUTE
-10.4
-11.8
-13.2
-14.6
-17.4
-18.8
-20.2
-21.6
-23.1
-24.4
-27.1
-28.6
-30.1
-32.3
-35.1
-38.6
-42.1
-46.2
-50.7
-54.2
-60.2
-1.7
-3.4
-4.8
-6.2
-7.6
-16
-26
-70
-0
-9
WITH A
V_MAX
MUTE
+22.3
+20.6
+19.2
+17.8
+16.4
+13.6
+12.2
+10.8
-11.1
-14.6
-18.1
-22.2
-26.7
-30.2
-36.2
+9.4
+6.6
+5.2
+3.8
+2.4
+0.9
+24
+15
-0.4
-3.1
-4.6
-6.1
-8.3
-46
+8
-2
= +24dB
A
V_TOTAL
(dB)
WITH A
V_MAX
MUTE
+24.3
+22.6
+21.2
+19.8
+18.4
+15.6
+14.2
+12.8
+11.4
-12.6
-16.1
-20.2
-24.7
-28.2
-34.2
+8.6
+7.2
+5.8
+4.4
+2.9
+1.6
+26
+17
+10
-1.1
-2.6
-4.1
-6.3
-9.1
-44
+0
= +26dB