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AD7722
16-Bit, 195 kSPS CMOS, Sigma-Delta ADC, PQFP-44 (JEDEC MO-112 variation AA-2)
Schematic Symbol
Pin Configuration (44 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | DB2 | input |
| 2 | DB1 | input |
| 3 | DB0 | input |
| 4 | CFMT/~{DRDY} | input |
| 5 | DVAL/~{RD} | input |
| 6 | DGND | power_in |
| 7 | ~{UNI} | input |
| 8 | P/~{S} | input |
| 9 | AGND | power_in |
| 10 | AGND1 | power_in |
| 11 | CLKIN | input |
| 12 | XTAL | output |
| 13 | AGND | passive |
| 14 | AVDD1 | power_in |
| 15 | AGND | passive |
| 16 | VIN- | input |
| 17 | RESET | input |
| 18 | VIN+ | input |
| 19 | AGND | passive |
| 20 | AVDD | power_in |
| 21 | AGND | passive |
| 22 | REF1 | power_out |
| 23 | AVDD | passive |
| 24 | REF2 | power_out |
| 25 | AGND | passive |
| 26 | AGND | passive |
| 27 | CAL | input |
| 28 | DGND | passive |
| 29 | ~{CS} | input |
| 30 | SYNC | input |
| 31 | DB15 | output |
| 32 | DB14 | output |
| 33 | DB13 | output |
| 34 | DB12 | output |
| 35 | DB11 | output |
| 36 | DB10 | output |
| 37 | FSO/DB9 | output |
| 38 | SDO/DB8 | output |
| 39 | DVDD | power_in |
| 40 | SCO/DB7 | input |
| 41 | FSI/DB6 | input |
| 42 | SFMT/DB5 | input |
| 43 | DOE/DB4 | input |
| 44 | TSI/DB3 | input |
Footprint
ConfirmedPackage_QFP/Microchip_PQFP-44_10x10mm_P0.8mm
Pad Layout
1
2
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8
9
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11
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13
14
15
16
17
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19
20
21
22
23
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25
26
27
28
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31
32
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34
35
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44
Pads (44)
| Number | Type |
|---|---|
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |
| 34 | smd |
| 35 | smd |
| 36 | smd |
| 37 | smd |
| 38 | smd |
| 39 | smd |
| 40 | smd |
| 41 | smd |
| 42 | smd |
| 43 | smd |
| 44 | smd |