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CS43L21
Low-Power, Stereo Digital-to-Analog Converter, QFN-32
Schematic Symbol
Pin Configuration (33 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | LRCK | bidirectional |
| 2 | SDA/MCLKDIV2 | bidirectional |
| 3 | SCL/CCLK/I2S/~{LJ} | input |
| 4 | AD0/~{CS}/DEM | input |
| 5 | VA_HP | input |
| 6 | FLYP | input |
| 7 | GND_HP | input |
| 8 | FLYN | input |
| 9 | VSS_HP | output |
| 10 | AOUTB | output |
| 11 | AOUTA | output |
| 12 | VA | input |
| 13 | AGND | power_in |
| 14 | FILT+ | output |
| 15 | VQ | output |
| 16 | NIC | no_connect |
| 17 | TSTO | no_connect |
| 18 | TSTO | no_connect |
| 19 | TSTO | no_connect |
| 20 | TSTO | no_connect |
| 21 | TSTO | no_connect |
| 22 | TSTO | no_connect |
| 23 | TSTO | no_connect |
| 24 | TSTO | no_connect |
| 25 | ~{RESET} | input |
| 26 | VL | input |
| 27 | VD | power_in |
| 28 | DGND | power_in |
| 29 | TESTO/M/~{S} | input |
| 30 | MCLK | input |
| 31 | SCLK | input |
| 32 | SDIN | input |
| 33 | AGND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm
Pad Layout
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32
33
Pads (42)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
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| 1 | smd |
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| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |