TS3A5017DR from Texas Instruments, 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	1EN	input	Active-low enable for switch 1. When high, switch 1 is disabled (all 1Sx paths high-impedance to 1D). CMOS input, 0 to V+ range (2 V min VIH, 0.8 V max VIL).
2	IN2	input	Switch 2 input select. Combined with (implicit) selection logic, chooses which of 2S1..2S4 connects to 2D. CMOS input, 0 to 3.6 V.
3	1S4	bidirectional	Switch 1 channel 4 analog I/O. Bidirectional analog/digital path connected to 1D when switch 1 selects channel 4 and 1EN is low. Signal range 0 to V+.
4	1S3	bidirectional	Switch 1 channel 3 analog I/O. Bidirectional path to 1D when channel 3 is selected. Signal range 0 to V+.
5	1S2	bidirectional	Switch 1 channel 2 analog I/O. Bidirectional path to 1D when channel 2 is selected. Signal range 0 to V+.
6	1S1	bidirectional	Switch 1 channel 1 analog I/O. Bidirectional path to 1D when channel 1 is selected. Signal range 0 to V+.
7	1D	bidirectional	Common path (pole) for switch 1. Connects to one of 1S1..1S4 selected by IN1/IN2 when 1EN is low. rON ~11 Ω typ at V+ = 3 V.
8	GND	power_in	Ground reference (0 V). Return for both supply and signal currents; continuous current through GND limited to 100 mA.
9	2D	bidirectional	Common path (pole) for switch 2. Connects to one of 2S1..2S4 selected by IN1/IN2 when 2EN is low.
10	2S1	bidirectional	Switch 2 channel 1 analog I/O. Bidirectional path to 2D when channel 1 is selected. Signal range 0 to V+.
11	2S2	bidirectional	Switch 2 channel 2 analog I/O. Bidirectional path to 2D when channel 2 is selected. Signal range 0 to V+.
12	2S3	bidirectional	Switch 2 channel 3 analog I/O. Bidirectional path to 2D when channel 3 is selected. Signal range 0 to V+.
13	2S4	bidirectional	Switch 2 channel 4 analog I/O. Bidirectional path to 2D when channel 4 is selected. Signal range 0 to V+.
14	IN1	input	Switch 1 input select. Combined with the other select input, chooses which of 1S1..1S4 connects to 1D. CMOS input, 0 to 3.6 V.
15	2EN	input	Active-low enable for switch 2. When high, switch 2 is disabled (all 2Sx high-impedance to 2D). CMOS input, 0 to V+.
16	V+	power_in	Positive supply. Recommended operating range 2.3 V to 3.6 V; absolute max 4.6 V. Continuous current through V+ limited to 100 mA. Bypass with 0.1 µF to GND.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOIC-16
Category	Interface
Pins	16

Ordering variants

Same part, different packaging or reel option.

TS3A5017DRD
TS3A5017DR
TS3A5017DRDBQ
TS3A5017DRDBQR
TS3A5017DRDGV
TS3A5017DRDGVR
TS3A5017DRPW
TS3A5017DRPWR
TS3A5017DRRGY
TS3A5017DRRGYR
TS3A5017DRRSV
TS3A5017DRRSVR

CAD (KiCad official)

Symbol: TS3A5017DR
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: Texas Instruments datasheet (41 pp, sha256 03199c32f468e005, 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