MAX9729ETI+T Maxim Integrated Products, MAX9729ETI+T Datasheet - Page 19

• 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 5b. Volume Control (Register 0x00)
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
Stereo Headphone Amplifier with BassMax,
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
SETTING (dB)
ATTEN FROM
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
Volume Control, and Input Mux
WITH A
V_MAX
MUTE
-10.2
-11.6
-13.1
-14.4
-17.1
-18.6
-20.1
-22.3
-25.1
-28.6
-32.1
-36.2
-40.7
-44.2
-50.2
+8.3
+6.6
+5.2
+3.8
+2.4
+10
-0.4
-1.8
-3.2
-4.6
-7.4
-8.8
-16
-60
+1
-6
= +10dB
WITH A
A
V_TOTAL
V_MAX
MUTE
+19.5
+17.8
+16.1
+14.7
+13.3
+11.9
+10.5
-10.6
-12.8
-15.6
-19.1
-22.6
-26.7
-31.2
-34.7
-40.7
-50.5
+9.1
+7.7
+6.3
+4.9
+3.5
+2.1
+0.7
-0.7
-2.1
-3.6
-4.9
-6.5
-7.6
-9.1
= +19.5dB
(dB)
WITH A
V_MAX
MUTE
+20.3
+18.6
+17.2
+15.8
+14.4
+11.6
-10.3
-13.1
-16.6
-20.1
-24.2
-28.7
-32.2
-38.2
+0.2
+8.8
+7.4
+4.6
+3.2
+1.8
+0.4
+22
+13
-1.1
-2.4
-5.1
-6.6
-8.1
-48
+6
-4
= +22dB
19