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IC manufacturers Renesas

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reference designRAA2S4251 | Demoboard RAA2S425X Evaluation Board

Renesas RAA2S4251 | Demoboard RAA2S425X Evaluation Board

Automotive Sensor Signal Conditioner with Analog Output

Overview

TopologySensors
IC revision6

Description

The RAA2S4251B is a member of Renesas’ family of CMOS integrated circuits for highly accurate amplification and sensor-specific correction of differential bridge sensor signals. Featuring a maximum analog pre-amplification of 900 with analog sensor offset correction (XSOC), the RAA2S4251B is adjustable to nearly all resistive bridges.Conditioning calculation is accomplished via a 16-bit RISC microcontroller. Calibration coefficients and configuration data are stored in the nonvolatile memory (NVM), which is reliable in automotive applications.

Features

  • Capable of measuring one full resistive bridge sensor signals
  • Temperature measurement using external diode/PTC/TCR or internal (PTAT) sensor
  • Large sensor offset correction using analog offset compensation and digital zooming with up to 18-bit resolution
  • Higher digital resolution, fast OUR output update rate by ADC & sharp roll-off by digital LPF
  • Ability to cover large sensor span & high accuracy (0.35% - 1.0%) over the entire temp. range (-40°C to 150°C)
  • Qualified according to AEC-Q100 Grade 0
  • Optimized for harsh automotive environment
  • Over-voltage and reverse polarity protection ±40V, robust EMC performance, and multiple diagnostic features
  • Minimal EOL (end-of-line) production costs during mass production
  • QFN-24 as package option
  • Analog output

Typical applications

  • Plug-in hybrid electric vehicle (PHEV) Battery electric vehicle (BEV) Fuel-cell electric vehicle (FCEV)
  • Pressure sensing in braking, transmission and HVAC applications xEV

More information

Products

Order Code Data­sheet Simu­lation Downloads Product seriesApplicationPCB/Cable/PanelModularityWire SectionλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		CVR
(V (DC))		SizeOperating TemperatureDF
(%)		RISOL
(mm)		W
(mm)		Fl
(mm)		Ceramic TypeTol. CQ
(%)		L
(µH)		IRP,40K
(A)		ISAT,30%
(A)		RDC typ.
(mΩ)		fres
(MHz)		V
(V)		MountPinsRowsH
(mm)		GenderTypeIR
(A)		Packaging Samples
691103110003SPEC
–6 files

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WR-TBL Series 1031 - 3.50 mm Horiz. Entry Modular Wire Protector PCB Yes 26 to 16 (AWG) 0.2 to 1 (mm²) – – – – – – – – – – -40 °C up to +105 °C – – 10.5 – – – – – – – – – – – THT 3 – 8.4 – Horizontal 10 Box
74438335220SPEC
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WE-MAPI SMT Power Inductor – – – – – – – – – – – – – 3015 -40 °C up to +125 °C – – 3 3 – – – – 22 0.85 1.95 940 12 80 SMT 2 – 1.5 – – 0.6 –
150060RS75000SPEC
25 files

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WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 625 Red 630 250 2 AlInGaP 140 – – 0603 -40 °C up to +85 °C – – 1.6 0.8 – – – – – – – – – – SMT – – 0.7 – – – Tape and Reel
150060YS75000SPEC
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WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 590 Yellow 595 120 2 AlInGaP 140 – – 0603 -40 °C up to +85 °C – – 1.6 0.8 – – – – – – – – – – SMT – – 0.7 – – – Tape and Reel
150060GS75000SPEC
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WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 525 Green 515 430 3.2 InGaN 140 – – 0603 -40 °C up to +85 °C – – 1.6 0.8 – – – – – – – – – – SMT – – 0.7 – – – Tape and Reel
150060BS75000SPEC
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WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 470 Blue 465 145 3.2 InGaN 140 – – 0603 -40 °C up to +85 °C – – 1.6 0.8 – – – – – – – – – – SMT – – 0.7 – – – Tape and Reel
885012006055SPEC
8 files

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WCAP-CSGP MLCCs 50 V(DC) – – – – – – – – – – –47 pF 50 0603 -55 °C up to +125 °C –10 GΩ 1.6 0.8 0.4 NP0 Class I ±5% 1000 – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012206071SPEC
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WCAP-CSGP MLCCs 25 V(DC) – – – – – – – – – – –100 nF 25 0603 -55 °C up to +125 °C 3.55 GΩ 1.6 0.8 0.4 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012206073SPEC
8 files

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WCAP-CSGP MLCCs 25 V(DC) – – – – – – – – – – –220 nF 25 0603 -55 °C up to +125 °C 3.52.3 GΩ 1.6 0.8 0.4 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012206085SPEC
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WCAP-CSGP MLCCs 50 V(DC) – – – – – – – – – – –2.2 nF 50 0603 -55 °C up to +125 °C 2.510 GΩ 1.6 0.8 0.4 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012206089SPEC
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WCAP-CSGP MLCCs 50 V(DC) – – – – – – – – – – –10 nF 50 0603 -55 °C up to +125 °C 2.510 GΩ 1.6 0.8 0.4 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012207053SPEC
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WCAP-CSGP MLCCs 16 V(DC) – – – – – – – – – – –4.7 µF 16 0805 -55 °C up to +125 °C 100.02 GΩ 2 1.25 0.5 X7R Class II ±10% – – – – – – – – – – 1.25 – – – 7" Tape & Reel
885012207103SPEC
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WCAP-CSGP MLCCs 50 V(DC) – – – – – – – – – – –1 µF 50 0805 -55 °C up to +125 °C 100.1 GΩ 2 1.25 0.5 X7R Class II ±10% – – – – – – – – – – 1.25 – – – 7" Tape & Reel
61300811121SPEC
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WR-PHD 2.54 mm THT Pin Header – – – – – – – – – – – – – – -40 °C up to +105 °C –1000 MΩ 20.32 – – – – – – – – – – – THT 8 Single – Pin Header Straight 3 Bag
61304021121SPEC
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WR-PHD 2.54 mm THT Dual Pin Header – – – – – – – – – – – – – – -40 °C up to +105 °C –1000 MΩ 50.8 – – – – – – – – – – – THT 40 Dual – Pin Header Straight 3 Bag
61300211121SPEC
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WR-PHD 2.54 mm THT Pin Header – – – – – – – – – – – – – – -40 °C up to +105 °C –1000 MΩ 5.08 – – – – – – – – – – – THT 2 Single – Pin Header Straight 3 Bag
61300311121SPEC
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WR-PHD 2.54 mm THT Pin Header – – – – – – – – – – – – – – -40 °C up to +105 °C –1000 MΩ 7.62 – – – – – – – – – – – THT 3 Single – Pin Header Straight 3 Bag
61300511121SPEC
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WR-PHD 2.54 mm THT Pin Header – – – – – – – – – – – – – – -40 °C up to +105 °C –1000 MΩ 12.7 – – – – – – – – – – – THT 5 Single – Pin Header Straight 3 Bag
885012206112SPEC
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WCAP-CSGP MLCCs 100 V(DC) – – – – – – – – – – –4.7 nF 100 0603 -55 °C up to +125 °C 2.510 GΩ 1.6 0.8 0.4 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012206120SPEC
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WCAP-CSGP MLCCs 100 V(DC) – – – – – – – – – – –100 nF 100 0603 -55 °C up to +125 °C 51 GΩ 1.6 0.8 0.4 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885382206004SPEC
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WCAP-CSST Soft Termination – – – – – – – – – – –100 nF 50 0603 -55 °C up to +125 °C 35 GΩ 1.6 0.8 0.4 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012106031SPEC
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WCAP-CSGP MLCCs 25 V(DC) – – – – – – – – – – –10 µF 25 0603 -55 °C up to +85 °C 200.01 GΩ 1.6 0.8 0.35 X5R Class II ±20% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
885012206126SPEC
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WCAP-CSGP MLCCs 50 V(DC) – – – – – – – – – – –1 µF 50 0603 -55 °C up to +125 °C 100.5 GΩ 1.6 0.8 0.35 X7R Class II ±10% – – – – – – – – – – 0.8 – – – 7" Tape & Reel
Order Code Data­sheet Simu­lation
691103110003SPEC
–
74438335220SPEC
150060RS75000SPEC
150060YS75000SPEC
150060GS75000SPEC
150060BS75000SPEC
885012006055SPEC
885012206071SPEC
885012206073SPEC
885012206085SPEC
885012206089SPEC
885012207053SPEC
885012207103SPEC
61300811121SPEC
–
61304021121SPEC
–
61300211121SPEC
–
61300311121SPEC
–
61300511121SPEC
–
885012206112SPEC
885012206120SPEC
885382206004SPEC
885012106031SPEC
885012206126SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesApplicationPCB/Cable/PanelModularityWire SectionλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		CVR
(V (DC))		SizeOperating TemperatureDF
(%)		RISOL
(mm)		W
(mm)		Fl
(mm)		Ceramic TypeTol. CQ
(%)		L
(µH)		IRP,40K
(A)		ISAT,30%
(A)		RDC typ.
(mΩ)		fres
(MHz)		V
(V)		MountPinsRowsH
(mm)		GenderTypeIR
(A)		Packaging Samples