DG444DY-T1-E3

@@ -0,0 +1,56 @@+# DG444DY-T1-E3++**Vishay** · Analog Switches, Multiplexers · SOIC-16++DG444DY-T1-E3 from Vishay, in a SOIC-16. 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 | IN1 | input | Digital control input for switch 1. TTL/CMOS compatible: logic '0' ≤ 0.8 V (switch on for DG444), logic '1' ≥ 2.4 V (switch off for DG444). |+| 2 | D1 | passive | Drain terminal of analog switch 1. Bidirectional analog signal path; conducts equally in both directions when on. Analog signal range ±15 V (dual supply). |+| 3 | S1 | passive | Source terminal of analog switch 1. Bidirectional analog signal path paired with D1 through the switch (RDS(on) ≈ 50 Ω typ). |+| 4 | V- | power_in | Negative analog supply. Dual-supply operation -5 V to -20 V (typ -15 V); tie to GND for single-supply operation. Absolute max V+ to V- = 44 V; GND to V- = 25 V. |+| 5 | GND | power_in | Ground / analog reference. |+| 6 | S4 | passive | Source terminal of analog switch 4. Bidirectional analog signal path paired with D4. |+| 7 | D4 | passive | Drain terminal of analog switch 4. Bidirectional analog signal path. |+| 8 | IN4 | input | Digital control input for switch 4. TTL/CMOS compatible: logic '0' ≤ 0.8 V, logic '1' ≥ 2.4 V. |+| 9 | IN3 | input | Digital control input for switch 3. TTL/CMOS compatible: logic '0' ≤ 0.8 V, logic '1' ≥ 2.4 V. |+| 10 | D3 | passive | Drain terminal of analog switch 3. Bidirectional analog signal path. |+| 11 | S3 | passive | Source terminal of analog switch 3. Bidirectional analog signal path paired with D3. |+| 12 | VL | power_in | Logic supply voltage. Sets logic threshold; typical +5 V. Range (GND - 0.3 V) to (V+ + 0.3 V) absolute max. |+| 13 | V+ | power_in | Positive analog supply. Single-supply +5 V to +36 V, or dual-supply +5 V to +20 V (typ +15 V). V+ to V- absolute max = 44 V. |+| 14 | S2 | passive | Source terminal of analog switch 2. Bidirectional analog signal path paired with D2. |+| 15 | D2 | passive | Drain terminal of analog switch 2. Bidirectional analog signal path. |+| 16 | IN2 | input | Digital control input for switch 2. TTL/CMOS compatible: logic '0' ≤ 0.8 V, logic '1' ≥ 2.4 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Vishay |+| Package | SOIC-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++- `DG444DY-T1-E3`+- `DG444DY-T1-E3DJ`++## CAD (KiCad official)++- Symbol: `DG444DY-T1-E3`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Vishay datasheet](docs/dg444dy-t1-e3-datasheet.pdf) (12 pp, sha256 `b9eeefb3fe45570b`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/dg444dy-t1-e3-datasheet.pdf)

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