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ADL5304ACPZ-R7
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Analog Devices Special Purpose Amplifiers, LFCSP-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+70@@ -0,0 +1,70 @@+# ADL5304ACPZ-R7++**Analog Devices** · Special Purpose Amplifiers · LFCSP-32(5x5)++ADL5304ACPZ-R7 from Analog Devices, in a LFCSP-32(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | NC | unconnected | No connect; do not connect to this pin. |+| 2 | VSM1 | input | Guard voltage for INUM and IDEN inputs; connect to 1P5V for single supply operation. |+| 3 | VSM2 | input | Guard voltage for INUM and IDEN inputs; provides shield drive for low leakage in input stage. |+| 4 | INUM | input | Numerator current input for photodiode or external current source; range 1 pA to 10 mA. |+| 5 | IDEN | input | Denominator current input; connect to IREF pin for logarithmic ratio operation. |+| 6 | IREF | power_out | 100 nA trimmed reference current output; source current for IDEN denominator reference. |+| 7 | VSM3 | input | Guard voltage for INUM and IDEN inputs; provides low leakage shield biasing. |+| 8 | VSM4 | input | Guard voltage for INUM and IDEN inputs; connect to 1P5V for single supply operation. |+| 9 | VDEN | output | Denominator log amplifier voltage output; connect to INDN pin and decouple with 0.1 µF capacitor to ground. |+| 10 | INDN | input | Temperature compensation circuit denominator voltage input connected from VDEN output. |+| 11 | COMM | power_in | Main ground pin for circuit return. |+| 12 | NMFS | input | Numerator slew rate bias; connect through nominal 1 kΩ resistor to VNEG pin. |+| 13 | VNEG | power_in | Negative power supply; 0 V for single supply or −2 V to −5 V for dual supply operation. |+| 14 | DNFS | input | Denominator slew rate bias; connect through nominal 1 kΩ resistor to VNEG pin. |+| 15 | ACOM | power_in | Analog common ground, low noise reference ground; both ACOM pins (15 and 18) must be grounded. |+| 16 | HFCP | input | High frequency compensation pin for loop stability; decouple to ground as required. |+| 17 | 2VLT | power_out | 2.0 V reference voltage output; source current up to 20 mA for photodiode biasing. |+| 18 | ACOM | power_in | Analog common ground, low noise reference ground; both ACOM pins (15 and 18) must be grounded. |+| 19 | SCL3 | input | 7.5 kΩ trimming resistor for slope adjustment (see Figure 1); default no connect for standard 0.2 V/decade slope. |+| 20 | SCL2 | input | 5 kΩ trimming resistor for slope adjustment (see Figure 1); default connects to INMS for 0.2 V/decade slope. |+| 21 | SCL1 | input | 5 kΩ trimming resistor for slope adjustment (see Figure 1); default connects to VLOG for 0.2 V/decade slope. |+| 22 | VLOG | output | Main logarithmic output voltage; 0.5 V to 2.5 V for nominal 1 pA to 10 mA input current range. |+| 23 | INMS | input | Inverting input of output buffer amplifier; default connects to SCL2 pin. |+| 24 | INPS | input | Non-inverting input of output buffer amplifier; connect to 1P5V for single supply; must connect with DCBI and VSM1−VSM4. |+| 25 | NC | unconnected | No connect; do not connect to this pin. |+| 26 | 1P5V | power_out | 1.5 V reference voltage output; source current ≤5 mA, sink current ≤10 mA; bias VSMx, DCBI, and INPS for single supply. |+| 27 | DCBI | input | Approximately 1.3 mA bias current output; connect to VSM1 through VSM4 pins. |+| 28 | BSDC | input | Internal bias node; decouple to ground with series combination of 4 Ω resistor and 1 µF capacitor. |+| 29 | VPOS | power_in | Positive power supply; 4.5 V to 5.5 V nominal 5 V for single supply or up to ±5 V for dual supply. |+| 30 | IMON | output | Photodiode monitor current output; IMON = 1.1 × INUM for adaptive PD bias; maximum 11.5 mA. |+| 31 | INNM | input | Temperature compensation circuit numerator voltage input connected from VNUM output. |+| 32 | VNUM | output | Numerator log amplifier voltage output; connect to INNM pin without external capacitor for fastest response. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Analog Devices |+| Package | LFCSP-32(5x5) |+| Category | Amplifiers/Comparators |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `ADL5304ACPZ-R7`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: LFCSP-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `adl5304acpz-r7-etched.step` / `adl5304acpz-r7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `adl5304acpz-r7.step` / `adl5304acpz-r7.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Analog Devices datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893640470618112) (32 pp, sha256 `41768c182abfb976`, retrieved 2026-09-21, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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).++[Datasheet PDF](docs/adl5304acpz-r7-datasheet.pdf)
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Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "adl5304acpz-r7",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "adl5304acpz-r7.kicad_sym",+ "adl5304acpz-r7.kicad_mod",+ "adl5304acpz-r7.glb",+ "adl5304acpz-r7.step",+ "adl5304acpz-r7.lbr",+ "docs/hero.png",+ "docs/adl5304acpz-r7-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "ADL5304ACPZ-R7",+ "manufacturer": "Analog Devices",+ "package": "LFCSP-32(5x5)",+ "pin_count": 33,+ "category": "Amplifiers/Comparators",+ "subcategory": "Special Purpose Amplifiers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893640470618112",+ "parts": {+ "symbol": "adl5304acpz-r7.kicad_sym",+ "footprint": "adl5304acpz-r7.kicad_mod",+ "model_3d": "adl5304acpz-r7-etched.glb",+ "model_3d_plain": "adl5304acpz-r7.glb",+ "model_3d_step": "adl5304acpz-r7-etched.step",+ "model_3d_step_plain": "adl5304acpz-r7.step",+ "lbr": "adl5304acpz-r7.lbr"+ },+ "distributor_links": {+ "lcsc": "C514333"+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect; do not connect to this pin."+ },+ {+ "number": "2",+ "name": "VSM1",+ "type": "input",+ "description": "Guard voltage for INUM and IDEN inputs; connect to 1P5V for single supply operation."+ },+ {+ "number": "3",+ "name": "VSM2",+ "type": "input",+ "description": "Guard voltage for INUM and IDEN inputs; provides shield drive for low leakage in input stage."+ },+ {+ "number": "4",+ "name": "INUM",+ "type": "input",+ "description": "Numerator current input for photodiode or external current source; range 1 pA to 10 mA."+ },+ {+ "number": "5",+ "name": "IDEN",+ "type": "input",+ "description": "Denominator current input; connect to IREF pin for logarithmic ratio operation."+ },+ {+ "number": "6",+ "name": "IREF",+ "type": "power_out",+ "description": "100 nA trimmed reference current output; source current for IDEN denominator reference."+ },+ {+ "number": "7",+ "name": "VSM3",+ "type": "input",+ "description": "Guard voltage for INUM and IDEN inputs; provides low leakage shield biasing."+ },+ {+ "number": "8",+ "name": "VSM4",+ "type": "input",+ "description": "Guard voltage for INUM and IDEN inputs; connect to 1P5V for single supply operation."+ },+ {+ "number": "9",+ "name": "VDEN",+ "type": "output",+ "description": "Denominator log amplifier voltage output; connect to INDN pin and decouple with 0.1 µF capacitor to ground."+ },+ {+ "number": "10",+ "name": "INDN",+ "type": "input",+ "description": "Temperature compensation circuit denominator voltage input connected from VDEN output."+ },+ {+ "number": "11",+ "name": "COMM",+ "type": "power_in",+ "description": "Main ground pin for circuit return."+ },+ {+ "number": "12",+ "name": "NMFS",+ "type": "input",+ "description": "Numerator slew rate bias; connect through nominal 1 kΩ resistor to VNEG pin."+ },+ {+ "number": "13",+ "name": "VNEG",+ "type": "power_in",+ "description": "Negative power supply; 0 V for single supply or −2 V to −5 V for dual supply operation."+ },+ {+ "number": "14",+ "name": "DNFS",+ "type": "input",+ "description": "Denominator slew rate bias; connect through nominal 1 kΩ resistor to VNEG pin."+ },+ {+ "number": "15",+ "name": "ACOM",+ "type": "power_in",+ "description": "Analog common ground, low noise reference ground; both ACOM pins (15 and 18) must be grounded."+ },+ {+ "number": "16",+ "name": "HFCP",+ "type": "input",+ "description": "High frequency compensation pin for loop stability; decouple to ground as required."+ },+ {+ "number": "17",+ "name": "2VLT",+ "type": "power_out",+ "description": "2.0 V reference voltage output; source current up to 20 mA for photodiode biasing."+ },+ {+ "number": "18",+ "name": "ACOM",+ "type": "power_in",+ "description": "Analog common ground, low noise reference ground; both ACOM pins (15 and 18) must be grounded."+ },+ {+ "number": "19",+ "name": "SCL3",+ "type": "input",+ "description": "7.5 kΩ trimming resistor for slope adjustment (see Figure 1); default no connect for standard 0.2 V/decade slope."+ },+ {+ "number": "20",+ "name": "SCL2",+ "type": "input",+ "description": "5 kΩ trimming resistor for slope adjustment (see Figure 1); default connects to INMS for 0.2 V/decade slope."+ },+ {+ "number": "21",+ "name": "SCL1",+ "type": "input",+ "description": "5 kΩ trimming resistor for slope adjustment (see Figure 1); default connects to VLOG for 0.2 V/decade slope."+ },+ {+ "number": "22",+ "name": "VLOG",+ "type": "output",+ "description": "Main logarithmic output voltage; 0.5 V to 2.5 V for nominal 1 pA to 10 mA input current range."+ },+ {+ "number": "23",+ "name": "INMS",+ "type": "input",+ "description": "Inverting input of output buffer amplifier; default connects to SCL2 pin."+ },+ {+ "number": "24",+ "name": "INPS",+ "type": "input",+ "description": "Non-inverting input of output buffer amplifier; connect to 1P5V for single supply; must connect with DCBI and VSM1−VSM4."+ },+ {+ "number": "25",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect; do not connect to this pin."+ },+ {+ "number": "26",+ "name": "1P5V",+ "type": "power_out",+ "description": "1.5 V reference voltage output; source current ≤5 mA, sink current ≤10 mA; bias VSMx, DCBI, and INPS for single supply."+ },+ {+ "number": "27",+ "name": "DCBI",+ "type": "input",+ "description": "Approximately 1.3 mA bias current output; connect to VSM1 through VSM4 pins."+ },+ {+ "number": "28",+ "name": "BSDC",+ "type": "input",+ "description": "Internal bias node; decouple to ground with series combination of 4 Ω resistor and 1 µF capacitor."+ },+ {+ "number": "29",+ "name": "VPOS",+ "type": "power_in",+ "description": "Positive power supply; 4.5 V to 5.5 V nominal 5 V for single supply or up to ±5 V for dual supply."+ },+ {+ "number": "30",+ "name": "IMON",+ "type": "output",+ "description": "Photodiode monitor current output; IMON = 1.1 × INUM for adaptive PD bias; maximum 11.5 mA."+ },+ {+ "number": "31",+ "name": "INNM",+ "type": "input",+ "description": "Temperature compensation circuit numerator voltage input connected from VNUM output."+ },+ {+ "number": "32",+ "name": "VNUM",+ "type": "output",+ "description": "Numerator log amplifier voltage output; connect to INNM pin without external capacitor for fastest response."+ },+ {+ "number": "33",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Exposed pad (EPAD) present but not assigned a standard pin number; datasheet specifies connection to; VSM2 and IDEN pins appear to share a connection point in the functional diagram; VSM2 placement is c",+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 32,+ "cost_usd": 0.5207,+ "at": "2026-09-21T15:41:29"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893640470618112",+ "pages": 32,+ "sha256": "41768c182abfb976",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}