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AD7687BRMZ
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Analog Devices Analog To Digital Converters (ADCs), MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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AD7687BRMZ
Analog Devices · Analog To Digital Converters (ADCs) · MSOP-10
AD7687BRMZ from Analog Devices, in a MSOP-10. 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 | REF | input | Reference input voltage with a range of 0.5 V to VDD referred to GND; place a 10 μF decoupling capacitor as close to the pin as possible. |
| 2 | VDD | power_in | Power supply, single-supply operation from 2.3 V to 5.5 V. |
| 3 | IN+ | input | Differential positive analog input; the differential input range is ±VREF. |
| 4 | IN- | input | Differential negative analog input; the differential input range is ±VREF. |
| 5 | GND | power_in | Power supply ground, the reference for REF and the analog and digital inputs. |
| 6 | CNV | input | Convert input whose leading edge starts a conversion and selects chain or CS mode (set by SDI); in CS mode it enables SDO when low, and in chain mode data is read while it is high. |
| 7 | SDO | output | Serial data output carrying the conversion result, synchronized to SCK; it also acts as the BUSY indicator when that feature is enabled. |
| 8 | SCK | input | Serial data clock that shifts data out on SDO when data is valid; in chain mode its level at the CNV rising edge enables (high) or disables (low) the BUSY indicator. |
| 9 | SDI | input | Serial data input that selects the interface mode at the CNV rising edge: low selects chain mode (daisy-chain data input, output on SDO after 16 SCK cycles), high selects CS mode. |
| 10 | VIO | power_in | Input/output interface digital power, nominally at the same supply as the host interface (1.8 V, 2.5 V, 3 V, or 5 V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | MSOP-10 |
| Category | ADC/DAC/Data Conversion |
| Pins | 10 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage VDD (specified operating range) | VDD | 2.3 | 5.5 | V | Single-supply operating range | 17 | |
| Operating temperature range | -40 | 85 | °C | Operation specified from −40°C to +85°C | 1 | ||
| Reference input voltage range | VREF | 0.5 | V | REF referred to GND; upper limit printed as VDD | 9 | ||
| Supply voltages VDD, VIO to GND | VDD, VIO | -0.3 | 7 | V | VDD, VIO to GND | 8 | |
| VDD to VIO | VDD-VIO | -7 | 7 | V | Rating printed as ±7 V | 8 | |
| Analog inputs IN+, IN− voltage | IN+, IN− | -0.3 | V | Relative to GND: min GND − 0.3 V; max printed as VDD + 0.3 V (not numeric) | 8 | ||
| Analog input current (alternative to voltage rating) | IN+, IN− | -130 | 130 | mA | Printed as ±130 mA, alternative to voltage rating | 8 | |
| REF voltage to GND | REF | -0.3 | V | Relative to GND: min GND − 0.3 V; max printed as VDD + 0.3 V (not numeric) | 8 | ||
| Digital inputs to GND | -0.3 | V | Relative to GND; max printed as VIO + 0.3 V (not numeric) | 8 | |||
| Digital outputs to GND | -0.3 | V | Relative to GND; max printed as VIO + 0.3 V (not numeric) | 8 | |||
| Storage temperature range | -65 | 150 | °C | 8 | |||
| Junction temperature | TJ | 150 | °C | 8 | |||
| Thermal resistance junction-to-ambient, 10-lead MSOP | θJA | 200 | °C/W | 10-lead MSOP; device soldered in circuit board (worst case) | 8 | ||
| Thermal resistance junction-to-case, 10-lead MSOP | θJC | 44 | °C/W | 10-lead MSOP | 8 | ||
| Conversion time: CNV rising edge to data available | tCONV | 0.7 | 3.2 | µs | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | |
| Acquisition time | tACQ | 1.8 | µs | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| Time between conversions | tCYC | 5 | µs | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| CNV pulse width (CS mode) | tCNVH | 10 | ns | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SCK period, CS mode | tSCK | 25 | ns | CS mode; −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SCK period, chain mode | tSCK | 29 | ns | Chain mode, VIO above 3 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SCK period, chain mode | tSCK | 35 | ns | Chain mode, VIO above 2.7 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SCK period, chain mode | tSCK | 40 | ns | Chain mode, VIO above 2.3 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SCK low time | tSCKL | 12 | ns | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SCK high time | tSCKH | 12 | ns | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SCK falling edge to data remains valid | tHSDO | 5 | ns | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SCK falling edge to data valid delay | tDSDO | 24 | ns | VIO above 3 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SCK falling edge to data valid delay | tDSDO | 30 | ns | VIO above 2.7 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SCK falling edge to data valid delay | tDSDO | 35 | ns | VIO above 2.3 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| CNV or SDI low to SDO D15 MSB valid (CS mode) | tEN | 18 | ns | VIO above 2.7 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| CNV or SDI low to SDO D15 MSB valid (CS mode) | tEN | 22 | ns | VIO above 2.3 V; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| High or last SCK falling edge to SDO high impedance (CS mode) | tDIS | 25 | ns | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SDI valid setup time from CNV rising edge (CS mode) | tSSDICNV | 30 | ns | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SDI valid hold time from CNV rising edge (CS mode) | tHSDICNV | 0 | ns | −40°C to +85°C, VDD = 2.3 V to 4.5 V, VIO = 2.3 V to 4.5 V or VDD + 0.3 V, whichever lowest | 7 | ||
| SDI valid setup time from SCK falling edge (chain mode) | tSSDISCK | 5 | ns | Chain mode; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SDI valid hold time from SCK falling edge (chain mode) | tHSDISCK | 4 | ns | Chain mode; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SDI high to SDO high (chain mode with BUSY indicator) | tDSDOSDI | 36 | ns | Chain mode with BUSY indicator; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SCK valid setup time from CNV rising edge (chain mode) | tSSCKCNV | 5 | ns | Chain mode; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 | ||
| SCK valid hold time from CNV rising edge (chain mode) | tHSCKCNV | 8 | ns | Chain mode; −40°C to +85°C, VDD = 2.3 V to 4.5 V, whichever lowest | 7 |
CAD (KiCad official)
- Symbol:
AD7687BRMZ - Footprint:
Package_SO:MSOP-10_3x3mm_P0.5mm - 3D model: MSOP-10 (KiCad packages3D, STEP)
- 3D model files:
ad7687brmz-etched.step/ad7687brmz-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ad7687brmz.step/ad7687brmz.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (26 pp, sha256
e6a09e3cf83b0026, retrieved 2026-10-28, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).