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AD7779
8-Channel, 24-bit, Simultaneous Sampling ADC, WQFN-64 (LFCSP-64)
Schematic Symbol
Pin Configuration (65 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | AIN0- | input |
| 2 | AIN0+ | input |
| 3 | AIN1- | input |
| 4 | AIN1+ | input |
| 5 | AVSS1A | power_in |
| 6 | AVDD1A | power_in |
| 7 | REF1- | input |
| 8 | REF1+ | input |
| 9 | AIN2- | input |
| 10 | AIN2+ | input |
| 11 | AIN3- | input |
| 12 | AIN3+ | input |
| 13 | MODE0/GPIO0 | bidirectional |
| 14 | MODE1/GPIO1 | bidirectional |
| 15 | MODE2/GPIO2 | bidirectional |
| 16 | MODE3/ALERT | bidirectional |
| 17 | CONVST_SAR | input |
| 18 | ALERT/~{CS} | bidirectional |
| 19 | DCLK2/SCLK | input |
| 20 | DCLK1/SDI | input |
| 21 | DCLK0/SDO | bidirectional |
| 22 | DGND | power_in |
| 23 | DREGCAP | passive |
| 24 | IOVDD | power_in |
| 25 | DOUT3 | bidirectional |
| 26 | DOUT2 | bidirectional |
| 27 | DOUT1 | output |
| 28 | DOUT0 | output |
| 29 | DCLK | output |
| 30 | ~{DRDY} | output |
| 31 | XTAL1 | passive |
| 32 | XTAL2/MCLK | input |
| 33 | ~{START} | input |
| 34 | ~{SYNC_OUT} | output |
| 35 | ~{SYNC_IN} | input |
| 36 | ~{RESET} | input |
| 37 | AIN7+ | input |
| 38 | AIN7- | input |
| 39 | AIN6+ | input |
| 40 | AIN6- | input |
| 41 | REF2+ | input |
| 42 | REF2- | input |
| 43 | AVDD1B | power_in |
| 44 | AVSS1B | power_in |
| 45 | AIN5+ | input |
| 46 | AIN5- | input |
| 47 | AIN4+ | input |
| 48 | AIN4- | input |
| 49 | REF_OUT | output |
| 50 | AVSS2B | power_in |
| 51 | AREG2CAP | passive |
| 52 | AVDD2B | power_in |
| 53 | AVSS3 | power_in |
| 54 | FORMAT1 | input |
| 55 | FORMAT0 | input |
| 56 | CLK_SEL | input |
| 57 | VCM | output |
| 58 | AVDD2A | power_in |
| 59 | AREG1CAP | passive |
| 60 | AVSS2A | power_in |
| 61 | AVSS4 | power_in |
| 62 | AVDD4 | power_in |
| 63 | AUXAIN+ | input |
| 64 | AUXAIN- | input |
| 65 | EPAD(AVSSx) | power_in |
Footprint
ConfirmedPackage_DFN_QFN/QFN-64-1EP_9x9mm_P0.5mm_EP7.65x7.65mm
Pad Layout
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Pads (101)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
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| 1 | smd |
| 2 | smd |
| 3 | smd |
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| 5 | smd |
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