component
AD9122BCPZ
Public Made by Adomby adom
Analog Devices Digital To Analog Converters (DACs), LFCSP-72(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownAD9122BCPZ
Analog Devices · Digital To Analog Converters (DACs) · LFCSP-72(10x10)
AD9122BCPZ from Analog Devices, in a LFCSP-72(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | CVDD18 | power_in | 1.8 V clock supply for clock receivers, clock distribution, and PLL circuitry. |
| 2 | DACCLKP | input | DAC clock input, positive. |
| 3 | DACCLKN | input | DAC clock input, negative. |
| 4 | CVSS | power_in | Clock supply common. |
| 5 | FRAMEP | input | Frame input, positive; must be tied to DVSS if not used. |
| 6 | FRAMEN | input | Frame input, negative; must be tied to DVDD18 if not used. |
| 7 | IRQ | output | Interrupt request, open-drain active-low output; connect an external pull-up to IOVDD through a 10 kΩ resistor. |
| 8 | D15P | input | Data bit 15 (MSB), positive. |
| 9 | D15N | input | Data bit 15 (MSB), negative. |
| 10 | NC | unconnected | No connect; do not connect to this pin. |
| 11 | IOVDD | power_in | Supply for serial port I/O pins, RESET, and IRQ; 1.8 V to 3.3 V can be supplied. |
| 12 | DVDD18 | power_in | 1.8 V digital supply for digital core and digital data ports. |
| 13 | D14P | input | Data bit 14, positive. |
| 14 | D14N | input | Data bit 14, negative. |
| 15 | D13P | input | Data bit 13, positive. |
| 16 | D13N | input | Data bit 13, negative. |
| 17 | D12P | input | Data bit 12, positive. |
| 18 | D12N | input | Data bit 12, negative. |
| 19 | D11P | input | Data bit 11, positive. |
| 20 | D11N | input | Data bit 11, negative. |
| 21 | D10P | input | Data bit 10, positive. |
| 22 | D10N | input | Data bit 10, negative. |
| 23 | D9P | input | Data bit 9, positive. |
| 24 | D9N | input | Data bit 9, negative. |
| 25 | D8P | input | Data bit 8, positive. |
| 26 | D8N | input | Data bit 8, negative. |
| 27 | DCIP | input | Data clock input, positive. |
| 28 | DCIN | input | Data clock input, negative. |
| 29 | DVDD18 | power_in | 1.8 V digital supply for digital core and digital data ports. |
| 30 | DVSS | power_in | Digital common. |
| 31 | D7P | input | Data bit 7, positive. |
| 32 | D7N | input | Data bit 7, negative. |
| 33 | D6P | input | Data bit 6, positive. |
| 34 | D6N | input | Data bit 6, negative. |
| 35 | D5P | input | Data bit 5, positive. |
| 36 | D5N | input | Data bit 5, negative. |
| 37 | D4P | input | Data bit 4, positive. |
| 38 | D4N | input | Data bit 4, negative. |
| 39 | D3P | input | Data bit 3, positive. |
| 40 | D3N | input | Data bit 3, negative. |
| 41 | D2P | input | Data bit 2, positive. |
| 42 | D2N | input | Data bit 2, negative. |
| 43 | DVDD18 | power_in | 1.8 V digital supply for digital core and digital data ports. |
| 44 | DVSS | power_in | Digital common. |
| 45 | D1P | input | Data bit 1, positive. |
| 46 | D1N | input | Data bit 1, negative. |
| 47 | D0P | input | Data bit 0 (LSB), positive. |
| 48 | D0N | input | Data bit 0 (LSB), negative. |
| 49 | DVDD18 | power_in | 1.8 V digital supply for digital core and digital data ports. |
| 50 | SDO | output | Serial port data output (CMOS levels with respect to IOVDD). |
| 51 | SDIO | bidirectional | Serial port data input/output (CMOS levels with respect to IOVDD). |
| 52 | SCLK | input | Serial port clock input (CMOS levels with respect to IOVDD), maximum 40 MHz. |
| 53 | CS | input | Serial port chip select, active low (CMOS levels with respect to IOVDD). |
| 54 | RESET | input | Reset, active low (CMOS levels with respect to IOVDD). |
| 55 | NC | unconnected | No connect; do not connect to this pin. |
| 56 | AVSS | power_in | Analog supply common. |
| 57 | AVDD33 | power_in | 3.3 V analog supply. |
| 58 | IOUT2P | output | Q DAC positive current output. |
| 59 | IOUT2N | output | Q DAC negative current output. |
| 60 | AVDD33 | power_in | 3.3 V analog supply. |
| 61 | AVSS | power_in | Analog supply common. |
| 62 | REFIO | output | Voltage reference, nominally 1.2 V output; should be decoupled to AVSS. |
| 63 | FSADJ | passive | Full-scale current output adjust; place a 10 kΩ resistor from this pin to AVSS. |
| 64 | AVSS | power_in | Analog supply common. |
| 65 | AVDD33 | power_in | 3.3 V analog supply. |
| 66 | IOUT1N | output | I DAC negative current output. |
| 67 | IOUT1P | output | I DAC positive current output. |
| 68 | AVDD33 | power_in | 3.3 V analog supply. |
| 69 | REFCLKN | input | PLL reference clock input, negative; secondary function as a synchronization input. |
| 70 | REFCLKP | input | PLL reference clock input, positive; secondary function as a synchronization input. |
| 71 | CVDD18 | power_in | 1.8 V clock supply for clock receivers, clock distribution, and PLL circuitry. |
| 72 | CVDD18 | power_in | 1.8 V clock supply for clock receivers, clock distribution, and PLL circuitry. |
| 73 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | LFCSP-72(10x10) |
| Category | Data Converters |
| Pins | 73 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Differential Nonlinearity | DNL | -2.1 | 2.1 | LSB | TMIN to TMAX, AVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IFS = 20 mA | 4 | |
| Integral Nonlinearity | INL | -3.7 | 3.7 | LSB | 4 | ||
| Offset Error | -0.001 | 0 | 0.001 | % FSR | 4 | ||
| Gain Error (with Internal Reference) | -3.6 | 2 | 3.6 | % FSR | typ printed as ±2 | 4 | |
| Full-Scale Output Current | IFS | 8.66 | 19.6 | 31.66 | mA | Based on a 10 kΩ external resistor between FSADJ and AVSS | 4 |
| Output Compliance Range | -1 | 1 | V | 4 | |||
| Power Supply Rejection Ratio, AVDD33 | PSRR | -0.3 | 0.3 | % FSR/V | 4 | ||
| Output Resistance (main DAC) | 10 | MΩ | 4 | ||||
| Settling Time to Within ±0.5 LSB | 20 | ns | 4 | ||||
| Offset Drift | 0.04 | ppm/°C | Main DAC temperature drift | 4 | |||
| Gain Drift | 100 | ppm/°C | Main DAC temperature drift | 4 | |||
| Reference Voltage Drift | 30 | ppm/°C | Main DAC temperature drift | 4 | |||
| Internal Reference Voltage | 1.2 | V | 4 | ||||
| Reference Output Resistance | 5 | kΩ | 4 | ||||
| Analog Supply Voltage AVDD33 | AVDD33 | 3.13 | 3.3 | 3.47 | V | 4 | |
| Analog Supply Voltage CVDD18 | CVDD18 | 1.71 | 1.8 | 1.89 | V | 4 | |
| Digital Supply Voltage DVDD18 | DVDD18 | 1.71 | 1.8 | 1.89 | V | 4 | |
| Digital Supply Voltage IOVDD | IOVDD | 1.71 | 1.8 | 3.47 | V | typ printed as 1.8/3.3 | 4 |
| Power Consumption, 8× Mode | 1135 | 1241 | mW | 8× Mode, fDAC = 800 MSPS, IF = 10 MHz, PLL Off | 4 | ||
| AVDD33 supply current | 55 | 57 | mA | 8× Mode, fDAC = 800 MSPS, IF = 10 MHz, PLL Off | 4 | ||
| CVDD18 supply current | 85 | 90 | mA | 8× Mode, fDAC = 800 MSPS, IF = 10 MHz, PLL Off | 4 | ||
| DVDD18 supply current | 444 | 495 | mA | 8× Mode, fDAC = 800 MSPS, IF = 10 MHz, PLL Off | 4 | ||
| Power-Down Mode Power | 6.5 | 18.8 | mW | Register 0x01 = 0xF0 | 4 | ||
| Power Consumption, 2× Mode PLL Off | 834 | mW | 2× Mode, fDAC = 491.22 MSPS, IF = 10 MHz, PLL Off | 4 | |||
| Power Consumption, 2× Mode PLL On | 913 | mW | 2× Mode, fDAC = 491.22 MSPS, IF = 10 MHz, PLL On | 4 | |||
| Power-Up Time | 260 | ms | 4 | ||||
| Operating Range | -40 | 25 | 85 | °C | 4 | ||
| Input VIN Logic High | VIN | 1.2 | V | IOVDD = 1.8 V | 5 | ||
| Input VIN Logic High | VIN | 1.6 | V | IOVDD = 2.5 V | 5 | ||
| Input VIN Logic High | VIN | 2 | V | IOVDD = 3.3 V | 5 | ||
| Input VIN Logic Low | VIN | 0.6 | V | IOVDD = 1.8 V | 5 | ||
| Input VIN Logic Low | VIN | 0.8 | V | IOVDD = 2.5 V, 3.3 V | 5 | ||
| Output VOUT Logic High | VOUT | 1.4 | V | IOVDD = 1.8 V | 5 | ||
| Output VOUT Logic High | VOUT | 1.8 | V | IOVDD = 2.5 V | 5 | ||
| Output VOUT Logic High | VOUT | 2.4 | V | IOVDD = 3.3 V | 5 | ||
| Output VOUT Logic Low | VOUT | 0.4 | V | IOVDD = 1.8 V, 2.5 V, 3.3 V | 5 | ||
| LVDS Input Voltage Range | VIA or VIB | 825 | 1675 | mV | Applies to data, DCI, and FRAME inputs | 5 | |
| LVDS Input Differential Threshold | VIDTH | -100 | 100 | mV | Applies to data, DCI, and FRAME inputs | 5 | |
| LVDS Input Differential Hysteresis | VIDTHH to VIDTHL | 20 | mV | Applies to data, DCI, and FRAME inputs | 5 | ||
| LVDS Receiver Differential Input Impedance | RIN | 80 | 120 | Ω | Applies to data, DCI, and FRAME inputs | 5 | |
| DACCLK Differential Peak-to-Peak Voltage | 100 | 500 | 2000 | mV | 5 | ||
| DACCLK Common-Mode Voltage | 1.25 | V | Self-biased input, ac-coupled | 5 | |||
| DACCLK Maximum Clock Rate | 1230 | MHz | 5 | ||||
| REFCLK Differential Peak-to-Peak Voltage | 100 | 500 | 2000 | mV | 5 | ||
| REFCLK Common-Mode Voltage | 1.25 | V | 5 | ||||
| REFCLK Frequency (PLL Mode) | 15.625 | 600 | MHz | 1 GHz ≤ fVCO ≤ 2.1 GHz | 5 | ||
| REFCLK Frequency (SYNC Mode) | 0 | 600 | MHz | See the Multichip Synchronization section for conditions | 5 | ||
| SCLK Maximum Clock Rate | 40 | MHz | 5 | ||||
| Minimum Pulse Width High | tPWH | 12.5 | ns | 5 | |||
| Minimum Pulse Width Low | tPWL | 12.5 | ns | 5 | |||
| Setup Time, SDIO to SCLK | tDS | 1.9 | ns | 5 | |||
| Hold Time, SDIO to SCLK | tDH | 0.2 | ns | 5 | |||
| Data Valid, SDO to SCLK | tDV | 2.3 | ns | 5 | |||
| Setup Time, CS to SCLK | tDCSB | 1.4 | ns | 5 | |||
| AVDD33 to AVSS, EPAD, CVSS, DVSS | -0.3 | 3.6 | V | 8 | |||
| IOVDD to AVSS, EPAD, CVSS, DVSS | -0.3 | 3.6 | V | 8 | |||
| DVDD18, CVDD18 to AVSS, EPAD, CVSS, DVSS | -0.3 | 2.1 | V | 8 | |||
| Junction Temperature | 125 | °C | 8 | ||||
| Storage Temperature Range | -65 | 150 | °C | 8 | |||
| Thermal Resistance θJA | θJA | 20.7 | °C/W | 72-Lead LFCSP, EPAD soldered to ground plane | 8 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | abs | thermometer code (Base 1 code) of the write counter state relative to the absolute read counter being at 0. The optimum FIFO data | 34 |
CAD (KiCad official)
- Symbol:
AD9122BCPZ - Footprint:
Package_DFN_QFN:QFN-72-1EP_10x10mm_P0.5mm_EP6x6mm - 3D model: LFCSP-72(10x10), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal QFN height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
ad9122bcpz-etched.step/ad9122bcpz-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ad9122bcpz.step/ad9122bcpz.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (60 pp, sha256
b82d8acff09fb215, retrieved 2026-10-31, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).