Chip-dat/Analog-device-dat/Analog-device-dat.md
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@@ -11,6 +11,11 @@
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- [[mixer-dat]] - [[timing-dat]]
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+- [[AD8605-dat]] - [[AD8607-dat]] - [[OP-amp-dat]]
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+
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+
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+
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+
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- ad7190-dat
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- AD7715 == 3 V/5 V, 450 µA 16-Bit, Sigma-Delta ADC
Tech-dat/amplifier-dat/op-amp-dat/op-amp-dat.md
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@@ -30,9 +30,14 @@
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![](2026-01-26-16-25-41.png)
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+- IN+ IN-
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+- VS- VS+
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+- OUT
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-
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-
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+- Out A Out B
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+- −In A +In A
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+- +Vs −Vs
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+- −In B +In B
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## unsort
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... ...
@@ -56,7 +61,7 @@ OP27 - Low Noise, Precision Operational Amplifier
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LM6142 - Series Operational Amplifiers - Op Amps
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-- [[3peak-dat]]
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+- [[3peak-dat]] - [[3peak]]
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## ref
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app-dat/home-plant-dat/ph-tester-dat/ph-tester-dat.md
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@@ -51,7 +51,8 @@ You need an **electrometer-grade or FET-input op-amp**.
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> **Rule of thumb:**
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> Input bias current should be **< 1/1000 of electrode current**
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----
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+- [[AD8607-dat]] - [[analog-device-dat]]
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+
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Typical pH front-end architecture
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