AIS1200PS MEMS acceleration sensor: single-axis with PSI5 point-to-point interface Datasheet - production data Description The AIS1200PS is a peripheral acceleration sensor with a single-axis sensing element and an IC interface able to provide acceleration information to a master control unit through a Manchester-coded protocol (125 kbps). The sensing element, capable of detecting the acceleration, is manufactured using a dedicated process developed by ST to produce inertial sensors and actuators in silicon. 62,&1 The IC interface is manufactured using a BCD process that allows a high level of integration. The device is factory trimmed to better tune the sensing element characteristics with the acceleration information to be supplied. Features 5 V to 16 V single supply operation The AIS1200PS has a full scale of 200 g. The acquisition chain is made up of a C/V converter, a full-differential charge amplifier, a 2nd order LPF with a cutoff frequency of 175 Hz, and a second charge amplifier to adapt the dynamic range to an SAR A/D converter. 10-bit data output Embedded voltage regulator Embedded self-test Asynchronous 2 wire connectivity PSI5-A10P v1.3 compliant Error detection: single bit even parity Automotive AEC-Q100 qualified ECOPACK® compliant Extended temperature range: -40 °C to +125 °C Applications Airbag systems Vibration, impact monitoring The differential capacitance of the sensor is proportional to the proof mass displacement; thus, by sensing the differential capacitance, the position of the sensor is determined. Then, since the mass position is known and the position is related to the input acceleration, the input acceleration can be easily deduced. The device is available in a plastic SOIC package with 150 mils reverse frame forming for EMC enhancement and is specified over a temperature range extending from -40 °C to +125 °C. Table 1. Device summary Order code g-range Operating temperature range [C] Package Packing AIS1200PSTR 200 g -40 to +125 SOIC 16N Tape and reel December 2015 This is information on a product in full production. DocID024648 Rev 4 1/21 www.st.com 21 Contents AIS1200PS Contents 1 2 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 SOIC 16N pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Mechanical and electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.3 Control timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 Sensor communication interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.4.1 Physical layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.4.2 Data link layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.4.3 Data range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.4.4 Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.5 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.6 Factory calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.1 5 2/21 SOIC 16N package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 DocID024648 Rev 4 AIS1200PS List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Control timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Data mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Data content in initialization phase II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 SOIC 16N package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Document revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 DocID024648 Rev 4 3/21 List of figures AIS1200PS List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. 4/21 AIS1200PS block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Detectable accelerations and pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Power-on-Reset (POR) operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Bit encoding using supply current modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Frame example with 10 data bits (D0-D9), 2 start bits (S1,S2) and one parity bit (P). . . . . 11 Initialization of the sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Block ID and data nibbles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Startup sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 AIS1200PS electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 SOIC 16N package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 DocID024648 Rev 4 AIS1200PS Block diagram and pin description 1 Block diagram and pin description 1.1 Block diagram Figure 1. AIS1200PS block diagram 1.2 SOIC 16N pin description Figure 2. Detectable accelerations and pinout -X VREG 1 16 HCAP BUSIN CLK SDI SDO DR X Reserved DIRECTION OF THE DETECTABLE ACCELERATIONS AT1 AT2 8 AIS1200PS (TOP VIEW) RTN Reserved Reserved AT4 AT3 9 SH GAMS290420131018FSR DocID024648 Rev 4 5/21 Block diagram and pin description AIS1200PS Table 2. Pin description Pin# Name Function 1 - LV(1) VREG Voltage regulator output. A ceramic capacitor of 1.0F ± 40% must be connected to this pin, which should not be used to power up other devices. 2 - LV CLK SPI interface - connect to GND. 3 - LV SDI SPI interface - connect to GND. 4 - LV SDO SPI interface - driven to “0” by the device. 5 - LV DR Data Ready - driven to “0” by the device. 6 - LV CS SPI chip select, connect to GND. 7 - LV AT1 Analog port 1 - driven to “0” by the device. 8 - LV AT2 Analog port 2 - driven to “0” by the device. 9 - LV SH Connect to GND. 10 - LV AT3 Analog port 3 - driven to “0” by the device. 11 - LV AT4 Analog port 4 - driven to “0” by the device. 12 - LV Reserved Leave unconnected. 13 - LV Reserved Connect to GND. 14 - HV(2) RTN Bus low side. 15 - HV BUSIN Bus high side. 16 - HV HCAP An autarky ceramic capacitor of 0.047F ± 50% must be connected to this pin. 1. LV (low voltage) pin: 4.5 V max absolute rating. 2. HV (high voltage) pin: 20 V max absolute rating. 6/21 DocID024648 Rev 4 AIS1200PS Mechanical and electrical specifications 2 Mechanical and electrical specifications 2.1 Mechanical characteristics VDD 5 V to VDD 16 V, TL -40 °C to TH 125 °C, unless otherwise noted. Table 3. Mechanical characteristics Symbol Parameter FS Full-scale range(2) So Sensitivity Test conditions Min. Typ. ±200 1.8 TCSo Sensitivity change vs. temperature Off Zero-g level offset (1) NL Non-linearity(2) Asymmetry CrAx Cross axis(2) Unit g 2 2.2 LSb/g TA = 25°C -5 5 TL TA TH -10 10 TA = 25°C -26 0 26 TL TA TH -54 0 54 Best-fit straight line -2 +2 % FS -1.2 +1.2 % -5 +5 % 22.5 kHz +125 °C (2) Asym Max. F0 MEMS resonant frequency(2) 16.6 Top Operating temperature range -40 19.6 % LSb 1. Zero-g level offset (10-bit representation) including aging and soldering effects. 2. Verified by characterization, not tested in production. 2.2 Electrical characteristics TA -40°C to TH 125 °C, unless otherwise noted(a) Table 4. Electrical characteristics Symbol Vbus Parameter Test conditions Min. Max. Unit 16 V 7 mA ±1 mA/ min -400 400 LSb -480 480 LSb -10 +10 % IQ IQ+IS mA Supply voltage at BUSIN 5 IQ Quiescent current(1) 2 Id Drift of quiescent current (time gradient)(3) RNG RNGmax OutFF IS Output range C T ------- 0.5 ------s t ±200 g Output range before clamp Output frequency flatness 5 g @ freq 20, 30, 40 Data sink current Hz(2) Typ. 4 a. All voltage levels are referred to RTN DocID024648 Rev 4 7/21 Mechanical and electrical specifications AIS1200PS Table 4. Electrical characteristics (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit 22 26 30 mA 1 s IS Delta sink current tr, tf Current rise and fall times 20%...80% of IS 0.33 Vregout VREG output voltage Creg = 1.0 F, ceramic 3.1 3.3 3.5 V HVTH BUSIN reset threshold(3) Rise 4.30 4.60 4.96 V Fall 4.30 4.60 4.90 V LVTH REGOUT reset threshold(4) Rise 2.65 2.85 3.05 V 2.62 2.85 3.05 V 52 61 72 LSb TL TA TH 52 61 154 LSb Max deviation from mean -4 +4 LSb -40 +125 °C DELTAdef Deflection (self-test - offset) N Top Noise Fall T = 25°C (4) Operating temperature range 1. Over life and temperature. 2. Verified by characterization, not tested in production. 3. See Figure 3. 4. Without aging or stressing. Figure 3. Power-on-Reset (POR) operation(b) b. Whenever BUSIN falls below HVTH or VREG falls below LVTH, the device will go into reset. 8/21 DocID024648 Rev 4 AIS1200PS 2.3 Mechanical and electrical specifications Control timing Table 5. Control timing Symbol fc Conditions(1) Parameter Bessel filter cutoff frequency Min Typ Max Unit 157 175 193 Hz 1 kHz -26 -20 2 kHz -38 -35 11.63 12.25 12.9 MHz 212 224 236 s -3 dB Att Signal attenuation fosc Internal oscillator frequency tref Refresh period Tbit Bit duration 125 kbps 7.6 8 8.4 s DC Duty cycle (tfall,80 - trise,20)/Tbit (tfall,20 - trise,80)/Tbit 47 50 53 % Tdelay Tset Treset Signal processing time(2)(3) Settling time for quiescent current 1.31 I = IQ ± 2 mA Recovery time after high-g shock(3) TTH Undervoltage reset delay Ramping BUSIN from 16 V to 0 V over 2 s TRJ Microcut rejection time(3) Ramping BUSIN from 16 V to 0 V over 2 s 10 dB ms 5 ms 10 ms 200 s s 1. Creg = 1.0 F ± 40%, ceramic, Cauth = 0.047 F ± 50%, ceramic. 2. Bessel filter =1.24 ms, [SAR A/D + C/V + Gain] = 0.07 ms. 3. Verified by characterization, not tested in production. DocID024648 Rev 4 9/21 Mechanical and electrical specifications 2.4 AIS1200PS Sensor communication interface The AIS1200PS is a single-axis accelerometer with a PSI5 v.1.3 asynchronous communication interface (PSI5-A). PSI5-A describes a point-to-point connection for unidirectional, asynchronous data transmission. The sensor is connected to the ECU by two wires. After switching on the power supply, the sensor starts transmitting data to the ECU periodically. Timing and repetition rate of the data transmission are controlled by the sensor. 2.4.1 Physical layer PSI5 uses two wires for both power supplies to the sensors and data transmission. The ECU provides a preregulated voltage to the sensor. Data transmission from the sensor to the ECU is done by current modulation on the power supply lines. Current oscillations are damped by the ECU. Bit encoding is done by a “low” level (IS,Low) which is represented by the normal (quiescent) current consumption of the sensor(s); a “high” level (IS,High) which is generated by an increased current sink of the sensor (IS,Low + IS). The current modulation is detected within the receiver ASIC. Figure 4. Bit encoding using supply current modulation Manchester coding is used for data transmission. A logic “0” is represented by a rising slope and a logic “1” by a falling slope of the current in the middle of TBit (125 kbps 8 μs ± 5%). 2.4.2 Data link layer Each AIS1200 PSI5 data frame consists of 13 bits containing two start bits and one parity bit with even parity and 10 data bits. Data bits are transmitted LSB first. The data frames are sent periodically from the sensor to the ECU at intervals Tref of 224 μs (typ). 10/21 DocID024648 Rev 4 AIS1200PS Mechanical and electrical specifications Figure 5. Frame example with 10 data bits (D0-D9), 2 start bits (S1,S2) and one parity bit (P). Tref Error detection by single bit even parity. * Frame duration = 104 s ± 5% 2.4.3 Data range PSI5 data messages are divided into three separate ranges: a data range for the sensor output signal, a range for status and error messages and a range for initialization data. The decimal values –480 to +480 are used for the sensor output signal. The range –512 to –481 is reserved for the block and data ID’s which are used for transmitting initialization data during startup of the sensor (see Section 2.5). The range from +481 to +511 is used for status and error messages. DocID024648 Rev 4 11/21 Mechanical and electrical specifications AIS1200PS Table 6. Data mapping Dec Hex Description Reserved for ECU internal use Range (1) +511 0x1FF : : +504 0x1F8 “Memory Fail” +503 0x1F7 Reserved(2) +502 0x1F6 Reserved(2) +501 0x1F5 Reserved(2) +500 0x1F4 “Sensor defect” +499 0x1F3 Reserved for ECU internal use(1) Reserved for ECU internal use(1) Reserved for ECU internal use(1) : +496 0x1F0 Reserved for ECU internal use(1) +495 0x1EF Reserved(2) : : Reserved(2) +489 0x1E9 Reserved(2) +488 0x1E8 “Sensor busy” +487 0x1E7 “Sensor ready” +486 0x1E6 Reserved(2) +485 0x1E5 Reserved(2) +484 0x1E4 Reserved(2) +483 0x1E3 Reserved(2) +482 0x1E2 Reserved(2) +481 0x1E1 Reserved(2) +480 0x1E0 Maximum positive sensor signal : : 0 0x000 : : -480 0x220 Maximum negative sensor signal -481 0x21F Status data 1111 : : -496 0x210 Status data 0000 -497 0x20F Block ID 16 0x200 Block ID 1 Status & errors messages 2 Sensor output signal 1 Block IDs and data for initialization 3 Intermediate positive sensor signal values Signal amplitude “0” Intermediate negative sensor signal values : : -512 1. Usage for ECU internal purposes is possible (e.g. “No Data”, “Manchester Error” etc.) 2. Not to be used. 12/21 DocID024648 Rev 4 AIS1200PS 2.4.4 Mechanical and electrical specifications Initialization After each power-on or undervoltage reset, the sensor performs an internal initialization which is divided into three phases. Figure 6. Initialization of the sensor 121ms 43ms 448s For the AIS1200PS device, k = 3 ID blocks and data blocks are sent in an alternating sequence, 3 times each. The block identifiers are used for numbering of the following data nibbles. After any power-on or undervoltage reset, the internal logic starts up with an initialization program. During the first initialization phase, no data is transmitted and the ECU can perform a connectivity test. During the second initialization phase, the sensor transmits sensor and application-specific information to the ECU. During the third initialization phase, the sensor transmits “Sensor Ready”, “Sensor Defect” or other optional status data. If the sensor is defective, it will continue to send the “sensor defect” messages and other optional status data until it is powered off. The sensor status information must consist of data words out of data range 2 and 3. Usage of sensor output signal data words out of data range 1 is not allowed during initialization phases II and III. If the initialization is finished successfully, the sensor goes into run mode and starts transmitting sensor signal data or optional status data until it is switched off or an internal error is detected. In the AIS1200PS, phase 1 has a typical duration of 121 ms, and phase 2 of 43 ms. Phase 3 duration may vary, depending on the number of iterations needed to pass the self-test routine. If the self-test fails, the self-test routine is repeated until it passes, up to 5 times. If the selftest does not pass after 5 attempts, it will transmit a message of sensor failure. After phase 3 is passed successfully, the sensor goes into run mode and starts transmitting sensor signal data. The actual duration of all phases depends on the oscillator period, which has a tolerance of ±5% (see Table 5). DocID024648 Rev 4 13/21 Mechanical and electrical specifications AIS1200PS The following is the sequence of steps during the initialization phases, along with the approximate durations (all numbers are intended as typical values): Step 1. After POR, the Flash download begins and ends typically in 23 ms. Step 2. There is a waiting period of 16 ms after the Flash is downloaded. Step 3. The self-test starts at 39 ms and ends at 117 ms, provided it passes the first iteration. Step 4. If the self-test fails the first iteration, then second self-test will begin. Step 5. Each additional self-test operation requires 75 ms. Step 6. If the 5th iteration of self-test fails, then the PSI5 protocol will transmit a “sensor defect” code during phase 3. The PSI5 transmission sequence is accordingly the following: P1. Phase 1 ends at 121 ms (it varies with the oscillator frequency tolerance, as indicated previously). P2. Phase 2 starts after phase 1 and ends at 164 ms. P3. Phase 3 starts after phase 2 and transmits the “sensor ready” code twice (i.e. 448 s), then the ADC transmission begins. The start of the ADC transmission, however, is gated by step 4 above. If the self-test goes to the 2nd iteration and beyond, then the PSI5 will transmit the “sensor busy” code during phase 3 until either the self-test passes, at which point the “sensor ready” code will be transmitted once followed by the ADC data, or the self-test fails, in which case phase 3 will transmit the “sensor defect” code. The memory test is done during the Flash download phase (0 ms-23 ms). If the memory CRC error/parity error occurs during this phase, then a “memory fail” code will be transmitted during phase 3. The PSI5 codes transmitted during these phases are: Sensor ready: 0x1E7 Sensor busy: 0x1E8 Sensor defect: 0x1F4 Memory fail: 0x1F8 Figure 7. Block ID and data nibbles 14/21 DocID024648 Rev 4 AIS1200PS Mechanical and electrical specifications Figure 8. Startup sequence For the AIS1200PS device, k = 3 A special data format and a reserved data range are used during initialization in order to avoid a possible mix-up with sensor signal data. “Data Range 3” contains 16 block identifiers and 4-bit data nibbles (see Section 2.4.3). If the initialization data exceeds 4x16 = 64 bits (more than 36-bits of sensor specific information), data can be paged. The ID codes are reused for every 64-bit page of data to be transmitted. Data pages are not numbered. Mapping of the information contained in different data pages has to be derived from the chronology of the startup sequence. It is not mandatory to transmit complete data pages. The initialization data is based on a 10-bit data word length (see Section 2.4.3). The initialization data contains the following information: PSI protocol revision Total number of data blocks (nibbles) transmitted during initialization Manufacturer code Sensor type Sensor and application specific information Table 7. Data content in initialization phase II Field F1 (D1) Name Parameter Value Protocol description PSI5 v1.3 0100 F2 (D2, D3) Number of data blocks 32 nibbles 0010 0000 F3 (D4, D5) Sensor manufacturer code STMicroelectronics 1001 0011 F4 (D6, D7) Sensor type High-g accelerometer 0000 0001 F5 (D8, D9) Sensor parameter Sensitivity: 2 LSb/g 0000 1001 F6 (D10-D11) Sensor code (sensor) Customer defined F7 (D12-D14) Sensor code (vehicle) Customer defined F8 (D15-D18) Production date (1) F9 (D19-D32) Serial information (2) 1. This field contains the back-end assembly date. It contains 16 bits of data and is encoded as Year-MonthDay. The year code is a two-digit code. In terms of bits, the sequence is YYYY YYYM MMMD DDDD. 2. This field contains a specific product serial number. It originates from both the back-end lot number and the ASIC wafer number and die location on the wafer. Each part contains a unique number. DocID024648 Rev 4 15/21 Mechanical and electrical specifications AIS1200PS In normal operation mode, the sensor transmits sensor output data in data range 1. A special “diagnostic mode” is foreseen for testing and failure analysis. In the diagnostic mode, the sensor may send other than the specified sensor output data in data range 1. The condition for entering the diagnostic mode is the recognition of a valid “XLong” data frame during initialization phase II. The sensor indicates the diagnostic mode by sending the “Sensor in diagnostic mode” identifier during initialization phase III, see Section 2.4.3. 2.5 Absolute maximum ratings Stresses above those listed as absolute maximum ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. Table 8. Absolute maximum ratings Symbol Parameter Value Unit -0.3 to 16 V 1.7 A VBUS Supply voltage(1) IMAX BUSIN input current AMAX Max acceleration before mechanical stops ±3500 to ±4000 g AUNP Mechanical shock with device unpowered 2000 g hDROP Drop shock survivability 1.2 m ESD protection HBM (low-voltage pins) 2 kV ESD protection HBM (high-voltage pins) 4 kV CDM (corner pins) 750 V CDM (inside pins) 500 V MM 100 V ESD TSTG Storage temperature range -40 to 125 °C Tj Junction temperature range -40 to 150 °C 1. Voltage referred to RTN. This device is sensitive to mechanical shock, improper handling can cause permanent damage to the part This device is sensitive to electrostatic discharge (ESD), improper handling can cause permanent damage to the part 2.6 Factory calibration The IC interface is factory calibrated for sensitivity (So) and Zero-g level (Off). The trimming values are stored inside the device in a non-volatile structure. Any time the device is turned on, the trimming parameters are downloaded into the registers to be employed during normal operation. This allows the user to employ the device without further calibration. 16/21 DocID024648 Rev 4 AIS1200PS 3 Application hints Application hints Figure 9. AIS1200PS electrical connections REGOUT 16 1 HCAP BUS RTN AIS1200PS To ECU (TOP VIEW) CAUTH CREG 8 9 -X GND CREG = 1.0µF (ceramic, ± 40%) CAUTH = 0.047µF (ceramic, ± 50%) X DIRECTION OF THE DETECTABLE ACCELERATIONS GAMS290420131040FSR Note: Both CREG and CAUTH are mandatory for correct usage of the device. DocID024648 Rev 4 17/21 Package information 4 AIS1200PS Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 4.1 SOIC 16N package information Table 9. SOIC 16N package mechanical data mm. Dim. Min. Typ. Max. A 1.55 1.63 1.73 A1 0.127 0.15 0.25 A2 1.40 1.47 1.55 B 0.35 0.41 0.49 c 0.19 0.20 0.25 D 9.80 9.93 9.98 E1 3.81 3.94 3.99 e 18/21 1.27 bsc E 5.84 5.99 6.20 h 0.25 0.33 0.41 L 0.41 0.64 0.89 0° 5° 8° X 2.16 2.36 2.54 DocID024648 Rev 4 AIS1200PS Package information Figure 10. SOIC 16N package outline 8298989_A DocID024648 Rev 4 19/21 Revision history 5 AIS1200PS Revision history Table 10. Document revision history 20/21 Date Revision Changes 16-May-2013 1 First issue. 22-May-2013 2 Document status promoted from preliminary to production data. 04-Mar-2014 3 Updated Table 1: Device summary; minor textual updates. 14-Dec-2015 4 Updated Tj in Table 8: Absolute maximum ratings. 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All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2015 STMicroelectronics – All rights reserved DocID024648 Rev 4 21/21