CD4053AMS

@@ -0,0 +1,62 @@+# CD4053AMS++**HGSEMI** · Analog Switches, Multiplexers · QSOP-16++CD4053AMS from HGSEMI, in a QSOP-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 | S2B | bidirectional | Switch 2, channel B analog input/output. Connected to common D2 when SEL2=1 and EN=0. |+| 2 | S2A | bidirectional | Switch 2, channel A analog input/output. Connected to common D2 when SEL2=0 and EN=0. |+| 3 | S3B | bidirectional | Switch 3, channel B analog input/output. Connected to common D3 when SEL3=1 and EN=0. |+| 4 | D3 | bidirectional | Switch 3 common (pole) analog input/output. Routed to S3A or S3B under SEL3 control. |+| 5 | S3A | bidirectional | Switch 3, channel A analog input/output. Connected to common D3 when SEL3=0 and EN=0. |+| 6 | EN | input | Active-low enable input. When EN=high all three switches are open (all channels off). When EN=low, SEL1/SEL2/SEL3 select the active channel of each switch. VIL/VIH scale with VDD (e.g. VIH=3.5V min at VDD=5V). |+| 7 | VSS | power_in | Negative analog supply. Sets the negative rail for the analog switch. Tie to GND for unipolar operation; set below GND (e.g. -5V) to switch bipolar signals. VDD-VSS range 3V to 15V (18V absolute max). |+| 8 | GND | power_in | Digital ground (0 V). Reference for the SEL1/SEL2/SEL3 and EN digital control inputs. |+| 9 | SEL3 | input | Address/select bit for switch 3. When EN=low, SEL3=0 routes S3A→D3, SEL3=1 routes S3B→D3. |+| 10 | SEL2 | input | Address/select bit for switch 2. When EN=low, SEL2=0 routes S2A→D2, SEL2=1 routes S2B→D2. |+| 11 | SEL1 | input | Address/select bit for switch 1. When EN=low, SEL1=0 routes S1A→D1, SEL1=1 routes S1B→D1. |+| 12 | S1A | bidirectional | Switch 1, channel A analog input/output. Connected to common D1 when SEL1=0 and EN=0. |+| 13 | S1B | bidirectional | Switch 1, channel B analog input/output. Connected to common D1 when SEL1=1 and EN=0. |+| 14 | D1 | bidirectional | Switch 1 common (pole) analog input/output. Routed to S1A or S1B under SEL1 control. |+| 15 | D2 | bidirectional | Switch 2 common (pole) analog input/output. Routed to S2A or S2B under SEL2 control. |+| 16 | VDD | power_in | Positive supply. Recommended operating range 3V to 15V (18V absolute max) referenced to VSS. Add a 0.1 μF to 10 μF decoupling capacitor between VDD/VSS and GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | QSOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `CD4053AMS/TR`+- `CD4053AMSN`+- `CD4053AMSM/TR`+- `CD4053AMSMT/TR`+- `CD4053AMSLQ/TR`++## CAD (KiCad official)++- Symbol: `CD4053AMS`+- Footprint: `Package_SO:QSOP-16_3.9x4.9mm_P0.635mm`+- 3D model: QSOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/cd4053ams-datasheet.pdf) (12 pp, sha256 `233189e11ac94755`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/cd4053ams-datasheet.pdf)

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