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LMH6505MA

Texas Instruments · Programmable / Variable Gain Amplifiers (PGA/VGA) · SOIC-8

LMH6505MA from Texas Instruments, in a SOIC-8. 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 VG input Gain control input. Linear-in-dB gain control voltage; typical range 0V to +2V referenced to the ground pin. High input impedance (~25 MΩ, 2.8 pF). Sets the attenuation from AVMAX down to ~-85 dB.
2 VIN input Signal input to the variable gain stage. High input impedance (~7 MΩ, 2.8 pF). Bias current typ -0.6 μA. Input voltage range ±0.6 V with RG = 100 Ω.
3 RG passive Gain-setting resistor connection. External RG (typ 100 Ω) between this pin and ground sets the maximum gain (AVMAX) together with RF. Nominal current ±5-6 mA.
4 GND power_in Ground / low-Z reference pin for the VG control voltage. Tie to system ground for split-supply operation, or to a virtual half-supply for single-supply operation.
5 V- power_in Negative supply rail for the output op amp / device (typ -5 V for ±5 V operation). Total supply (V+ - V-) 7 V to 12 V, 12.6 V absolute maximum. No-load quiescent current ~11 mA.
6 VOUT output Amplifier output. Low output impedance (~0.12 Ω DC), ±2.1 V into RL = 100 Ω, up to ±60 mA linear output current, slew rate 1500 V/μs (inverting).
7 I- input Inverting (current-feedback) input of the output op amp. Feedback resistor RF (typ 1 kΩ) is connected between VOUT and this pin; together with RG this sets AVMAX (~9.4 V/V typical).
8 V+ power_in Positive supply rail (typ +5 V for ±5 V operation). Total supply (V+ - V-) 7 V to 12 V, 12.6 V absolute maximum.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Amplifiers/Comparators
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • LMH6505MA
  • LMH6505MAX
  • LMH6505MAMM
  • LMH6505MAMME

CAD (KiCad official)

  • Symbol: LMH6505MA
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 0a44f7599bf1d097, 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