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AD7740YRMZ-REEL7
Public Made by Adomby adom
Analog Devices V/F And F/V Converters, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+9−6@@ -50,31 +50,31 @@ "number": "4", "name": "REFIN/OUT", "type": "bidirectional",- "description": "Voltage reference input/output. Sets the full-scale span of the VFC. If left unconnected, the internal 2.5 V bandgap reference is the default. A precision external reference (2.5 V to VDD) may overdrive the internal reference; the internal reference output impedance is ~1 k\u03a9 so the external source must sink/source ~400 \u00b5A."+ "description": "Voltage reference input/output. Sets the full-scale span of the VFC. If left unconnected, the internal 2.5 V bandgap reference is the default. A precision external reference (2.5 V to VDD) may overdrive the internal reference; the internal reference output impedance is ~1 kΩ so the external source must sink/source ~400 µA." }, { "number": "5", "name": "VIN", "type": "input",- "description": "Analog input to the VFC. Nominal input range 0 to VREF maps to output frequency 10% to 90% of f_CLKIN, with \u00b1150 mV overrange. Buffered mode (BUF=1): 0.1 V to VDD \u2212 0.2 V, ~100 M\u03a9 input impedance. Unbuffered mode (BUF=0): \u22120.15 V to VDD + 0.15 V, ~650 k\u03a9 input impedance."+ "description": "Analog input to the VFC. Nominal input range 0 to VREF maps to output frequency 10% to 90% of f_CLKIN, with ±150 mV overrange. Buffered mode (BUF=1): 0.1 V to VDD − 0.2 V, ~100 MΩ input impedance. Unbuffered mode (BUF=0): −0.15 V to VDD + 0.15 V, ~650 kΩ input impedance." }, { "number": "6", "name": "VDD", "type": "power_in",- "description": "Positive supply input. 3.3 V \u00b110% or 5 V \u00b15% (3.0 V to 5.25 V). Decouple with a 10 \u00b5F and a 0.1 \u00b5F capacitor to GND. Typical IDD ~0.9 mA (unbuffered) or 1.1 mA (buffered); 30 \u00b5A in power-down."+ "description": "Positive supply input. 3.3 V ±10% or 5 V ±5% (3.0 V to 5.25 V). Decouple with a 10 µF and a 0.1 µF capacitor to GND. Typical IDD ~0.9 mA (unbuffered) or 1.1 mA (buffered); 30 µA in power-down." }, { "number": "7", "name": "FOUT", "type": "output",- "description": "Frequency output. Pulse train whose frequency spans 10% to 90% of f_CLKIN as VIN sweeps from 0 to VREF. Pulsewidth is fixed by the CLKIN high period; edges are synchronous with the rising edge of CLKIN (t1 \u2248 35 ns typ)."+ "description": "Frequency output. Pulse train whose frequency spans 10% to 90% of f_CLKIN as VIN sweeps from 0 to VREF. Pulsewidth is fixed by the CLKIN high period; edges are synchronous with the rising edge of CLKIN (t1 ≈ 35 ns typ)." }, { "number": "8", "name": "BUF", "type": "input",- "description": "Buffered-mode select. BUF tied low (unbuffered): VIN range \u22120.15 V to VDD + 0.15 V. BUF tied high (buffered): VIN range 0.1 V to VDD \u2212 0.2 V with very high input impedance. VIH \u2265 2.4 V (5 V) / 2.1 V (3.3 V); VIL \u2264 0.8 V / 0.4 V."+ "description": "Buffered-mode select. BUF tied low (unbuffered): VIN range −0.15 V to VDD + 0.15 V. BUF tied high (buffered): VIN range 0.1 V to VDD − 0.2 V with very high input impedance. VIH ≥ 2.4 V (5 V) / 2.1 V (3.3 V); VIL ≤ 0.8 V / 0.4 V." } ], "provenance": {@@ -164,5 +164,8 @@ "docs/ad7740yrmz-reel7-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }