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MAX6325CSA+

Maxim Integrated · Voltage References · SOP-8

MAX6325CSA+ from Maxim Integrated, in a SOP-8. 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 I.C. unconnected Internally connected pin; the datasheet says do not use it.
2 IN power_in Positive power-supply input with an input voltage range of 8V to 36V.
3 NR passive Optional noise-reduction capacitor connection for wideband noise reduction (1µF shown in Figure 2); leave open if not used.
4 GND power_in Ground reference for the device.
5 TRIM input External trim input allowing ±1% output adjustment (Figure 1); leave open if not used.
6 OUT power_out Voltage reference output, specified for sourcing 0mA to 15mA and sinking -15mA to 0mA.
7 I.C. unconnected Internally connected pin; the datasheet says do not use it.
8 I.C. unconnected Internally connected pin; the datasheet says do not use it.

Key specifications

Parameter Value
Manufacturer Maxim Integrated
Package SOP-8
Category Power Management ICs
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage VOUT 2.499 2.5 2.501 V TA = TMIN to TMAX (table header condition) 2
Output Voltage Temperature Coefficient (C grade) TCVOUT 0.5 1 ppm/°C C grade; box method (Note 1) 2
Line Regulation ΔVOUT/ΔVIN 10 18 ppm/V TA = +25°C; 8V ≤ VIN ≤ 10V 2
Line Regulation ΔVOUT/ΔVIN 25 ppm/V TA = +25°C; 10V ≤ VIN ≤ 36V 2
Line Regulation (C grade, over temperature) ΔVOUT/ΔVIN 30 ppm/V C grade; TA = TMIN to TMAX; 10V ≤ VIN ≤ 36V 2
Supply Current IIN 1.8 2.7 mA TA = +25°C; VIN = +10V, IOUT = 0mA 2
Supply Current (C grade, over temperature) IIN 3 mA C grade; VIN = +10V, IOUT = 0mA; TA = TMIN to TMAX 2
Trim-Adjustment Range (first printed value) ΔVOUT -15 15 mV C, E, M 2
Trim-Adjustment Range (second printed value) ΔVOUT -25 25 mV C, E, M 2
Output Noise Voltage (RMS) en 1.3 2.8 µVRMS TA = +25°C; 10Hz ≤ f ≤ 1kHz 2
Output Noise Voltage (peak-to-peak) en 1.5 µVp-p 0.1Hz ≤ f ≤ 10Hz 2
Turn-On Settling Time tON 5 µs To ±0.01% of final value; TA = +25°C 2
Temperature Hysteresis 20 ppm TA = +25°C (Note 4) 2
Input Voltage Range VIN 8 36 V 2
Operating Temperature Range (MAX63_ _C_A) TA 0 70 °C MAX6325CSA (C grade) 2
Output Source/Sink Current IOUT -15 15 mA Sourcing 0 ≤ IOUT ≤ 15mA; sinking -15 ≤ IOUT ≤ 0mA 2
Capacitive Load COUT 0 100 µF Stable for all values of load current 8
IN Voltage VIN -0.3 40 V Referenced to GND 2
OUT, TRIM Voltage VOUT, VTRIM -0.3 12 V Referenced to GND 2
NR Voltage VNR -0.3 6 V Referenced to GND 2
OUT Short-Circuit to GND Duration 5 s VIN ≤ 40V 2
Storage Temperature Range TSTG -65 150 °C 2
Lead Temperature (soldering) TLEAD 300 °C Soldering, 10s 2

CAD (KiCad official)

  • Symbol: MAX6325CSA+
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: max6325csa-etched.step / max6325csa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max6325csa.step / max6325csa.glb are the bare package body.

Provenance

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

  • Datasheet: Maxim Integrated datasheet (11 pp, sha256 69acce71755feec7, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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