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MAX9744
Filterless Class-D / Class-AB Stereo Audio Amplifier with Volume Control, 20W, 4.5..14V input, -40..85°C, QFN-44
Schematic Symbol
Pin Configuration (44 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | BOOTL+ | output |
| 2 | OUTL+ | output |
| 3 | OUTL+ | passive |
| 4 | PVDD | power_in |
| 5 | PVDD | passive |
| 6 | VDD | power_in |
| 7 | GND | power_in |
| 8 | SDA/VOL | input |
| 9 | SCLK | input |
| 10 | VDD | passive |
| 11 | GND | passive |
| 12 | GND | passive |
| 13 | ADDR1 | input |
| 14 | ADDR2 | input |
| 15 | GND | passive |
| 16 | INL | input |
| 17 | FBL | input |
| 18 | FBR | input |
| 19 | INR | input |
| 20 | BIAS | output |
| 21 | VDD | passive |
| 22 | ~{SHND} | input |
| 23 | NC | no_connect |
| 24 | MUTE | input |
| 25 | SYNC | input |
| 26 | SYNCOUT | output |
| 27 | GND | passive |
| 28 | VDD | passive |
| 29 | PVDD | passive |
| 30 | PVDD | passive |
| 31 | OUTR+ | output |
| 32 | OUTR+ | passive |
| 33 | BOOTR+ | output |
| 34 | PGND | power_in |
| 35 | PGND | passive |
| 36 | OUTR- | output |
| 37 | OUTR- | output |
| 38 | BOOTR- | output |
| 39 | PGND | passive |
| 40 | BOOTL- | output |
| 41 | OUTL- | output |
| 42 | OUTL- | passive |
| 43 | PGND | passive |
| 44 | PGND | passive |
Footprint
ConfirmedPackage_DFN_QFN/TQFN-44-1EP_7x7mm_P0.5mm_EP4.7x4.7mm_ThermalVias
Pad Layout
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Pads (71)
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| 44 | smd |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | smd |
| 45 | smd |
| 45 | thru hole |
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| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |
| 45 | thru hole |