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Contents

README

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LM248D

Texas Instruments · Pre-ordered Chips · SOIC-14

LM248D 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 1OUT output Amplifier 1 output; typical peak swing ±13 V at RL = 10 kΩ and short-circuit current ±25 mA at VCC± = ±15 V.
2 1IN- input Amplifier 1 inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
3 1IN+ input Amplifier 1 non-inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
4 VCC+ power_in Positive supply, recommended 4 V to 18 V (absolute maximum 18 V for the LM248).
5 2IN+ input Amplifier 2 non-inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
6 2IN- input Amplifier 2 inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
7 2OUT output Amplifier 2 output; typical peak swing ±13 V at RL = 10 kΩ and short-circuit current ±25 mA at VCC± = ±15 V.
8 3OUT output Amplifier 3 output; typical peak swing ±13 V at RL = 10 kΩ and short-circuit current ±25 mA at VCC± = ±15 V.
9 3IN- input Amplifier 3 inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
10 3IN+ input Amplifier 3 non-inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
11 VCC- power_in Negative supply, recommended -4 V to -18 V (absolute maximum -18 V for the LM248).
12 4IN+ input Amplifier 4 non-inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
13 4IN- input Amplifier 4 inverting input; input voltage magnitude must not exceed the supply voltage or ±18 V for the LM248.
14 4OUT output Amplifier 4 output; typical peak swing ±13 V at RL = 10 kΩ and short-circuit current ±25 mA at VCC± = ±15 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Interface ICs
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input offset voltage VIO 1 6 mV VO = 0, 25°C 3
Input offset voltage, full range VIO 7.5 mV VO = 0, Full range (-25°C to 85°C) 3
Input offset current IIO 4 50 nA VO = 0, 25°C 3
Input offset current, full range IIO 125 nA VO = 0, Full range (-25°C to 85°C) 3
Input bias current IIB 30 200 nA VO = 0, 25°C 3
Input bias current, full range IIB 500 nA VO = 0, Full range (-25°C to 85°C) 3
Common-mode input voltage range VICR -12 12 V Full range 3
Maximum peak output voltage swing VOM -12 13 12 V RL = 10 kΩ, 25°C 3
Maximum peak output voltage swing VOM -12 12 V RL ≥ 10 kΩ, Full range 3
Maximum peak output voltage swing VOM -10 12 10 V RL = 2 kΩ, 25°C 3
Maximum peak output voltage swing VOM -10 10 V RL ≥ 2 kΩ, Full range 3
Large-signal differential voltage amplification AVD 25 160 V/mV VO = ±10 V, RL ≥ 2 kΩ, 25°C 3
Large-signal differential voltage amplification, full range AVD 15 V/mV VO = ±10 V, RL ≥ 2 kΩ, Full range 3
Input resistance ri 0.8 2.5 MΩ 25°C (not production tested) 3
Unity-gain bandwidth B1 1 MHz AVD = 1, 25°C 3
Phase margin φm 60 ° AVD = 1, 25°C 3
Common-mode rejection ratio CMRR 70 90 dB VIC = VICRmin, VO = 0, 25°C 3
Common-mode rejection ratio, full range CMRR 70 dB VIC = VICRmin, VO = 0, Full range 3
Supply-voltage rejection ratio kSVR 77 96 dB VCC± = ±9 V to ±15 V, VO = 0, 25°C 3
Supply-voltage rejection ratio, full range kSVR 77 dB VCC± = ±9 V to ±15 V, VO = 0, Full range 3
Short-circuit output current IOS 25 mA 25°C (printed ±25) 3
Supply current (four amplifiers) ICC 2.4 4.5 mA No load, VO = 0, 25°C 3
Crosstalk attenuation VO1/VO2 120 dB f = 1 Hz to 20 kHz, 25°C 3
Slew rate at unity gain SR 0.5 V/µs RL = 2 kΩ, CL = 100 pF, VCC± = ±15 V, TA = 25°C 4
Supply voltage VCC+ VCC+ 4 18 V 2
Supply voltage VCC- VCC- -4 -18 V 2
Supply voltage VCC+ VCC+ 18 V LM248 2
Supply voltage VCC- VCC- -18 V LM248 2
Differential input voltage VID -36 36 V LM248; printed as 36 V 2
Input voltage (either input) VI -18 18 V LM248; printed as -18 V, not to exceed supply magnitude 2
Operating virtual junction temperature TJ 150 °C 2
Storage temperature range Tstg -65 150 °C 2
Lead temperature 1,6 mm from case for 60 seconds 260 °C D, N, or NS package 2
Package thermal impedance θJA 86 °C/W D package, JESD 51-7 2
Operating free-air temperature TA -25 85 °C LM248 full range 3

CAD (KiCad official)

  • Symbol: LM248D
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: lm248d-etched.step / lm248d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm248d.step / lm248d.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (17 pp, sha256 e7fbfd5a73a105e0, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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