DG441DY-T1-E3

@@ -0,0 +1,60 @@+# DG441DY-T1-E3++**Vishay** · Analog Switches, Multiplexers · SOIC-16++DG441DY-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 logic control input for switch 1. TTL/CMOS compatible (VIL ≤ 0.8 V, VIH ≥ 2.4 V). For DG441 (normally closed), logic 0 turns switch ON, logic 1 turns switch OFF. |+| 2 | D1 | passive | Drain terminal of analog switch 1. Bidirectional analog signal path; conducts equally in both directions between D1 and S1 when the switch is ON. Signal range limited to V- ≤ Vsig ≤ V+. |+| 3 | S1 | passive | Source terminal of analog switch 1. Bidirectional analog signal path paired with D1; RDS(on) ≈ 50 Ω typ with dual ±15 V supplies. |+| 4 | V- | power_in | Negative analog supply rail. Typically -15 V for dual-supply operation, or 0 V (tied to GND) for single-supply operation. V+ to V- limited to 44 V max. |+| 5 | GND | power_in | Digital / logic ground reference. GND-to-V- limited to 25 V max. |+| 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 paired with S4. |+| 8 | IN4 | input | Digital logic control input for switch 4. TTL/CMOS compatible; logic 0 turns DG441 switch ON (normally-closed part). |+| 9 | IN3 | input | Digital logic control input for switch 3. TTL/CMOS compatible; logic 0 turns DG441 switch ON. |+| 10 | D3 | passive | Drain terminal of analog switch 3. Bidirectional analog signal path paired with S3. |+| 11 | S3 | passive | Source terminal of analog switch 3. Bidirectional analog signal path paired with D3. |+| 12 | NC | unconnected | No internal connection. Leave floating or tie to any convenient rail. |+| 13 | V+ | power_in | Positive analog supply rail. Typically +15 V for dual-supply operation, up to about +13.2 V or +12 V for single-supply operation. V+ to V- limited to 44 V max. |+| 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 paired with S2. |+| 16 | IN2 | input | Digital logic control input for switch 2. TTL/CMOS compatible; logic 0 turns DG441 switch ON. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Vishay |+| Package | SOIC-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++- `DG441DY-T1-E3DY`+- `DG441DY-T1-E3DY-E3`+- `DG441DY-T1-E3DY-T1`+- `DG441DY-T1-E3DY-T1-E3`+- `DG441DY-T1-E3DJ`+- `DG441DY-T1-E3DJ-E3`++## CAD (KiCad official)++- Symbol: `DG441DY-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/dg441dy-t1-e3-datasheet.pdf) (12 pp, sha256 `d3ef9ff8d11f638b`, retrieved 2026-08-17, tier: manufacturer)+- **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/dg441dy-t1-e3-datasheet.pdf)

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