MAX9770ETI+T Maxim Integrated Products, MAX9770ETI+T Datasheet - Page 13

• Manufacturer Part Number: MAX9770ETI+T
• Description: IC AMP AUDIO 1.2W MONO D 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class Dr

Specifications of MAX9770ETI+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.2W x 1 @ 8 Ohm; 80mW x 2 @ 16 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. MAX9770 Output with an Input Signal Applied (SSM Mode)
Figure 3. MAX9770 EMI with 75mm of Speaker Cable
1.2W, Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
V
V
V
OUT+
IN+
IN-
- V
OUT-
OUT+
______________________________________________________________________________________
OUT-
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
30.0
t
ON(MIN)
60.0
80.0 100.0 120.0 140.0 160.0 180.0
t
SW
FREQUENCY (MHz)
t
SW
200.0
t
SW
220.0
240.0 260.0
t
SW
280.0 300.0
MAX9770
FCC LIMIT
13