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RS8904XF

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Jiangsu RUNIC Tech Comparators, SOT23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RS8904XF

Jiangsu RUNIC Tech · Comparators · SOT23-5

RS8904XF from Jiangsu RUNIC Tech, in a SOT23-5. 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 OUT output Push-pull CMOS comparator output that swings rail to rail and can source up to 46 mA and sink up to 40 mA at a 5 V supply, as stated in the output current section.
2 GND power_in Ground reference pin; the layout guidelines call for an unbroken low-inductance ground plane with the ground trace running under the device up to the bypass capacitor.
3 IN+ input Positive comparator input with a rail-to-rail common-mode range from (V-) - 0.1 V to (V+) + 0.1 V over temperature, and signal input pins are diode-clamped with inputs swinging more than 0.3 V beyond the rails to be current-limited to 10 mA or less.
4 IN- input Negative comparator input with the same common-mode range of (V-) - 0.1 V to (V+) + 0.1 V, and signal input pins are diode-clamped with inputs swinging more than 0.3 V beyond the rails to be current-limited to 10 mA or less.
5 VCC power_in Positive (highest) power supply pin with a specified single-supply operating range of 2.7 V to 5.5 V and an absolute maximum supply voltage of 7 V.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package SOT23-5
Category Amplifiers/Comparators
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage 7 V 6
Signal input pin current -10 10 mA Signal input pin (IN+, IN-) 6
Signal output pin current -100 100 mA Signal output pin 6
Operating range, TA TA -40 125 °C 6
Junction, TJ TJ -40 150 °C 6
Storage, Tstg Tstg -65 150 °C 6
Supply voltage, single-supply Vs 2.7 5.5 V Single-supply, Vs = (V+) - (V-) 6
Supply voltage, dual-supply Vs 1.35 2.75 V Dual-supply, printed as ±1.35 to ±2.75 6
VCC Operating Voltage Range VCC 2.7 5.5 V VCC=2.7V table 8
Input Offset Voltage Vos -20 3 20 mV VCM =VCC/2, VCC=2.7V table 8
Input Bias Current IB 1 100 pA VCM =VCC/2, VCC=2.7V table 8
Power-Supply Rejection Ratio PSRR 60 75 dB VS=2.7V to 5.5V, VCM=VCC/2, VCC=2.7V table 8
Common-Mode Rejection Ratio CMRR 60 75 dB VCM =-0.1V to 2.8V, VCC=2.7V table 8
Input Offset Voltage Drift ΔVos/ΔT -2 2 µV/°C TA = -40°C to 125°C, VCC=2.7V table 8
VS Operating Voltage Range VS 2.7 5.5 V VCC=5V table 9
Quiescent Current IQ 120 225 µA TA = 25°C, VCC=5V table 9
Power-Supply Rejection Ratio PSRR 60 75 dB VS=2.7V to 5.5V, VCM=VCC/2, VCC=5V table 9
Input Offset Voltage Vos -20 3 20 mV VCM=VCC/2, VCC=5V table 9
Input Offset Voltage Drift ΔVos/ΔT -2 2 µV/°C TA = -40°C to 125°C, VCC=5V table 9
Input Bias Current IB 1 100 pA VCM=VCC/2, VCC=5V table 9
Common-Mode Rejection Ratio CMRR 60 75 dB VCM =-0.1V to 5.1V, VCC=5V table 9
Short Circuit Sink Current ISC 30 40 mA ISC sinking, VCC=5V table 9
Short Circuit Source Current ISC 36 46 mA ISC sourcing, VCC=5V table 9
Input Hysteresis 1 mV VCC=2.7V table 8
Quiescent Current IQ 117 µA TA = 25°C, VCC=2.7V table 8
Output Swing From Upper Rail VOH 255 mV ISOURCE = 4mA, VCC=2.7V table 8
Output Swing From Lower Rail VOL 230 mV ISINK = 4mA, VCC=2.7V table 8
Short Circuit Sink Current ISC 13 mA ISC sinking, VCC=2.7V table 8
Short Circuit Source Current ISC 14 mA ISC sourcing, VCC=2.7V table 8
Propagation Delay H To L TPHL 30 ns Overdrive = 100 mV, CL = 15pF, VCC=2.7V table 8
Propagation Delay L To H TPLH 32 ns Overdrive = 100 mV, CL = 15pF, VCC=2.7V table 8
Rise Time TR 2 ns 10% to 90%, VCC=2.7V table 8
Fall Time TF 2 ns 10% to 90%, VCC=2.7V table 8
Input Hysteresis 1 mV VCC=5V table 9
Output Swing From Upper Rail VOH 150 mV ISOURCE = 4mA, VCC=5V table 9
Output Swing From Lower Rail VOL 160 mV ISINK = 4mA, VCC=5V table 9
Propagation Delay H To L TPHL 25 ns Overdrive = 100 mV, CL = 15pF, VCC=5V table 9
Propagation Delay L To H TPLH 30 ns Overdrive = 100 mV, CL = 15pF, VCC=5V table 9
Rise Time TR 2 ns 10% to 90%, VCC=5V table 9
Fall Time TF 2 ns 10% to 90%, VCC=5V table 9
Junction-to-ambient thermal resistance RϴJA 250 °C/W SOT23-5 package 7
Junction-to-case(top) thermal resistance RϴJC(top) 84.3 °C/W SOT23-5 package 7
Junction-to-board thermal resistance RϴJB 39.5 °C/W SOT23-5 package 7
Junction-to-top characterization parameter ΨJT 2.86 °C/W SOT23-5 package 7
Junction-to-board characterization parameter ΨJB 58.7 °C/W SOT23-5 package 7

CAD (KiCad official)

  • Symbol: RS8904XF
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT23-5 (KiCad packages3D, STEP)
  • 3D model files: rs8904xf-etched.step / rs8904xf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs8904xf.step / rs8904xf.glb are the bare package body.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (21 pp, sha256 95a4f05288dc1869, retrieved 2026-10-17, tier: lcsc)
  • 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