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package.json	lmh6503max: LCSC part number C2058662 (was published as the bare integer) · Ray	8h ago
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README.md	Initial commit: component/lmh6503max · Ray	1d ago

LMH6503MAX

Texas Instruments · Programmable / Variable Gain Amplifiers (PGA/VGA) · SOIC-14

LMH6503MAX from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	V+	power_in	Positive supply pin; the datasheet characterizes the part at VS = ±5V.
2	VG	input	Gain control voltage input with high input impedance (70kΩ, 1.3pF); gain control range is −1V to +1V relative to the GND pin (pin 11).
3	+VIN	input	Non-inverting differential input (pins 3 and 6 share a ±2.0V minimum common-mode input range, 750kΩ input resistance, 5pF input capacitance); the unused input can be tied to ground for single-ended operation.
4	+RG	passive	Gain-setting resistor RG connection (pins 4 and 5), with maximum RG current of ±1.70mA minimum.
5	-RG	passive	Gain-setting resistor RG connection (pins 4 and 5), with maximum RG current of ±1.70mA minimum.
6	-VIN	input	Inverting differential input (pins 3 and 6 have 11µA typical bias current and ±0.34V minimum differential input voltage across them).
7	V-	power_in	Negative supply pin; the datasheet characterizes the part at VS = ±5V.
8	V-	power_in	Negative supply pin; the datasheet characterizes the part at VS = ±5V.
9	VREF	power_in	Reference pin of the output stage as labeled in the connection diagram; the datasheet text provided gives no further limits.
10	VOUT	output	Output of the current feedback op amp, able to drive ±3.2V typical into 100Ω with ±75mA minimum output current.
11	GND	power_in	Ground pin, the reference potential for the −1V to +1V gain control range; tied to a virtual half supply in single-supply operation.
12	I-	input	Inverting input of the output current feedback op amp as labeled in the connection diagram; the datasheet text provided gives no further limits.
13	NC	unconnected	No connect pin.
14	V+	power_in	Positive supply pin; the datasheet characterizes the part at VS = ±5V.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOIC-14
Category	Amplifiers/Comparators
Pins	14

CAD (KiCad official)

Symbol: LMH6503MAX
Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
3D model: SOIC-14 (KiCad packages3D, STEP)
3D model files: lmh6503max-etched.step / lmh6503max-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lmh6503max.step / lmh6503max.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Texas Instruments datasheet (38 pp, sha256 e759f10497c60102, retrieved 2026-10-05, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF