Vicom Systems FC-FC3 Manuel d'utilisateur

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 1 -1. Genaral DescriptionThe AK8999A is a piezoresistive semiconductor pressure sensor control IC tha

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 10 -6.Pin Configurations1) Wafer ConfigurationFor the detail, please contact your local sales office

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 11 -7.PinconditionsPAD Name I/O C load max. R load min. Type Description1 VSS GND2 VO I AnalogResisti

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 12 -9.Level DiagramVDD: 5VVPVNG1G=10G2(D2S) G3G=1.8S/H & SCF & Level ShiftG=2LVS=0.02*VDD - 0

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 13 -10.Absolute Maximum RatingsParameter Symbol Min. Max. Units DescriptionSupply voltage VDD -0.3 6.

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 14 -2) EEPROM CharacteristicsVDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless othe

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 15 -5) Digital AC CharacteristicsVDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 16 -6) Pressure Threshold Detector 1 & 2VDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register defau

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 17 -7) Analog Characteristics7.1) Reference Section7.1.1) Reference Section CharacteristicsVDD = 3, 3

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 18 -7.1.2) Reference Section (packaged version only) CharacteristicsVDD = 5V ± 10%, Ta = -40 to 105ºC

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 19 -7.2.2) Noise CharacteristicsVDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless o

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 2 -• Integrated constant voltage source for pressure sensor: 2.2V @ VDD:3.0, 3.3V ± 10%, 4.0V or 2.2V

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 20 -7.2.4) Offset Voltage Adjustment CircuitVDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register defau

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 21 -7.2.5) Span Voltage Adjustment CircuitVDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 22 -7.2.6.2) Sensitivity Temperature Drift Adjustment CircuitVDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105º

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 23 -7.2.9) SCF & SMFVDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless otherwise

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 24 -13.Operation Sequence00CLK (1=500kHz)No.statusSTV01 20 30Start Up STV MSRVDD & Sensor temp.va

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 25 - Description of Operation Timing Status (pressure detection circuit effective) Note1) Only opera

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 26 -14.Adjustment Sequencenote)EEPROM Address is indicated by “Add”, Control RegisterAddress isindica

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 27 -Note)EEPROM Address is indicated by “Add”,Control RegisterAddress is indicated by“CAdd”.Supply vo

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 28 -Function ON/OFF check(Add 09h D[6]Pressure ThresholdDetector 1 settingroutineENDD[6] : 1 D[6] : 0

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 29 -15.Functional Descriptions1) Adjustment Procedure Description (Example)The adjustment procedure f

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 3 -3. Table of Contents1. Genaral Description...

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 30 -1.3) OSC Adjustment (completed when shipped in package form)The intermittent operation control cl

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 31 -Address : 10 hex D[3:0] = EFR[3:0]EFR[3:0] Ratio Frequency ΔfDescriptionDec Hex Bin (%) (kHz)-5 B

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 32 -1.5) S/H Circuit Output Error AdjustmentThe S/H circuit output voltage is adjusted to become 0.5*

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 33 -1.7) Offset Voltage AdjustmentThe offset voltage for the pressure sensor is adjusted including th

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 34 -1.10) Offset Temperature Drift AdjustmentThe offset temperature drift for the pressure sensor is

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 35 -1.11) Sensitivity Temperature Drift AdjustmentThe sensitivity temperature drift for the pressure

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 36 -2) Finding the VOUT and VO Pins External Capacitance (Cap)This section explains how the VOUT and

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 37 -VO pinExt. cap(nF)CutoffFreq.(Hz)(Typical)Fig Time (msec) 99% Settling time (ms) () 99% Settlin

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 38 -4) Power ConsumptionCurrent values described in 3) Supply Voltage Current in the Electrical Chara

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 39 -6) The Compensation of the 2nd Order Temperature Characteristics of Offset and Span VoltageOffset

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 4 -4.Adjustment Characteristics1) Sensor CharacteristicsAdjustable characteristics of pressure sensor

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 40 -7) The Initial State Setup of VOUT pin, DET1 pin and DET2 pin at Power-UpTo make the Pressure Thr

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 41 -7.3) Detection Conditions : EIN1L[0]=1h, EIN2L[0]=0h, EINV1[0]=EINV2[0]=0h, EVOUT[1:0]=2hVDDVOUT

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 42 -8) Note on the Use of Output Reference VoltageWhen output reference voltage adjustment is used, p

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 43 -16.Serial Interface DescriptionThe data of EEPROM and control register (volatile memory) in the A

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 44 -3) Flow chart of Digital blockThe flow chart of digital block is shown below.Normal ModeVOUT: Ana

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 45 -4) Serial Interface Timing Diagram4.1) Timing chart14.2) Timing chart24.3) Timing chart3[EEPROM W

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 46 -5) Register Map5.1) EEPROM MapName ContentAddress(hex)DataD7 D6 D5 D4 D3 D2 D1 D0OCRSCROffset vol

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 47 -5.2) Control Register (Volatile Memory) MapName ContentAddress(hex)DataD7 D6 D5 D4 D3 D2 D1 D0CM1

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 48 -a.2) Offset voltage fine adjustment (OCF)The offset voltage is adjusted finely.The offset adjustm

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 49 -b.2) Output span voltage fine adjustment (EEPROM name: SC, ESCR[0] = 1h)The output span voltage i

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 5 -2) Adjustment AccuracyAdjustment accuracy targets are shown below.2.1) The case of 1st order adjus

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 50 -b.3) Output span voltage fine adjustment (EEPROM name: SC, ESCR[0]=0h)The output span voltage is

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 51 -c) Offset voltage temperature drift, sensitivity temperature drift and output reference voltagead

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 52 -d) Offset voltage temperature drift adjustment (EEPROM name: OTP, OTN)The offset voltage temperat

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 53 -d.2) Offset voltage temperature drift adjustment (EEPROM name: OTP, OTN, EOCF[7] = 1h)Address : 0

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 54 -e) Sensitivity temperature drift adjustment (EEPROM name: STP, STN)The sensitivity temperature dr

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 55 -f) Output reference voltage adjustment (EEPROM names: LVS, LV)This EEPROM is used for adjusting t

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 56 -g) Pressure threshold detector 1 (EEPROM name: PTH1, HYS1)The operating mode, the detection thres

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 57 -h) Pressure threshold detector 2 (EEPROM name: PTH2, HYS2)The operating mode, the detection thres

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 58 -i) Input gain adjustment (EEPROM name: ING)This EEPROM is used for setting the total gain.The inp

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 59 -j) Measurement mode setup (EEPROM name: MM1, MM2)This EEPROM is used for setting up the measureme

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 6 -3) External Temperature Sensor CharacteristicsThe characteristics of an external temperature senso

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 60 -k) VREF voltage adjustment (EEPROM name: VREF)This EEPROM is used for adjusting the AK8999A refer

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 61 -m) OSC frequency adjustment (EEPROM name: OSC)This EEPROM is used for adjusting the AK8999A opera

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 62 -n) VTMP voltage adjustment (EEPROM name: VTMP)Compensates the offset values for the AK8999A'

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 63 -o) User-writable data space (EEPROM name: UE)Free area (EEPROM) available to the user.Address : 1

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 64 -6.2) Description of Control Register (Volatile Memory)a) Adjustment mode (Register name: CM1)This

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 65 -b) OSC variable ratio storing register (Register name: CM2)This register is used for adjustment o

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 66 -17.Recommended ExternalCircuits1) VO pin connection example0F – 3FInside AK8999A/W/DVO146.kohmV

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 67 -18.Package1) Outline Dimensions2) MarkingThe rear-side TAB is recommended to bemounted on the sub

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 68 -IMPORTANT NOTICE0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make change

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 7 -5.Block Diagram and FunctionsGain Amplifier Block, LPF, S/H&SCF& Level shifter, Buffer &am

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 8 -BlockFunctionsSTVVDD trackGain_Temp.(STV)Supply voltage and sensitivity temperature variation comp

CONFIDENTIAL [AK8999A/AW/AD]MS1600-E-00 2014/05- 9 -Reference Section & OthersBlockFunctionsV_Bandgap(VBG)V_Reference(VREF)I_Reference(IREF)Genera