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| TA6039FN TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA6039FN Shock Sensor IC TA6039FN detects an existence of external shock through the shock sensor and output. Compared with TA6009FN, S/N ratio is improved by 8dB. It is suitable for applications which require low-noise operation. Features * * TA6039FN operates from 2.7 to 5.5 V DC single power supply voltage. Signal from the shock sensor is amplified according to setting gain, and is detected through the internal window comparator. TA6039FN incorporates 1-ch shock detecting circuitry. Input terminal of sensor signal is designed high impedance. Differential input impedance = 100 M (typ.) * * * LPF (low pass filter) circuitry is incorporated. Cut-off frequency of LPF = 7 kHz Sensitivity of shock detection can be adjusted by external devices. Small package SSOP10-P-0.65A (0.65 mm pitch) Weight: 0.04 g (typ.) * * Block Diagram Pin Connection (top view) SIA 1 2 3 4 5 10 W-CONT 9 8 7 6 DO AI AO VCC 10 A 1 B 2 9 8 7 SIB GUARD BUFFER 50 MW DIFF&LPF 20 7 kHz R 1.7 V (1.7 V) E 1.4 V (1.2 V) F 1.1 V (0.7 V) ) = 10 pin (R) GND -OP-AMP + + - Comparator + - Comparator 6 VCC OUT GND BUFFER 50 MW ( GUARD 0.57 V 5 GND 3 GUARD 4 1 2002-01-17 TA6039FN Pin Function Pin No. 1 2 3 4 5 6 7 8 9 10 Pin Name SIA SIB GUARD OUT GND VCC AO AI DO W-CONT Function Connection terminal of shock sensor Connection terminal of shock sensor Input (1, 2 pin) GUARD terminal Output terminal (output = "L" when shock is detected.) Ground terminal Power supply voltage Op-Amp output terminal Op-Amp input terminal Differential-Amp output terminal Window-comparator trip voltage selection terminal. Maximum Ratings (Ta = 25C) Characteristics Power supply voltage Power dissipation Storage temperature Symbol VCC PD Tstg Rating 7 300 -55 to 150 Unit V mW C Recommend Operating Condition Characteristics Power supply voltage Operating temperature Symbol VCC Topr Rating 2.7 to 5.5 -25 to 85 Unit V C Note: The IC may be destroyed due to short circuit between adjacent pins, incorrect orientation of device's mounting, connecting positive and negative power supply pins wrong way round, air contamination fault, or fault by improper grounding. 2 2002-01-17 TA6039FN Electrical Characteristics (unless otherwise specified, VCC = 3.3 V, Ta = 25C) Characteristics Supply voltage Supply current Symbol VCC ICC Test Circuit 3/4 (1) VCC = 3.3 V VCC = 5.0 V Test Condition Min 2.7 Typ. 3.3 1.8 1.8 Max 5.5 2.6 2.7 Unit V mA (GUARD) Characteristics Output voltage Symbol VoGur Test Circuit (2) Test Condition Min 0.52 Typ. 0.57 Max 0.62 Unit V (DIFF-AMP) Characteristics Input impedance Gain Output DC voltage Low pass filter cut-off frequency Output source current Output sink current (Note 1) Symbol Zin GvBuf VoBuf fc IBso IBsi Test Circuit 3/4 (3) (4) (5) (6) (7) Connect C = 100 pF between 1 pin, 2 pin and 3 pin Frequency at -3dB point Voh = VCC - 1 V Vol = 0.3 V Test Condition Min 30 25.6 0.7 5 350 75 Typ. 100 26.0 1 7 800 130 26.4 1.3 10 Max Unit MW dB V kHz mA mA (OP-AMP) Characteristics Cut-off frequency Openloop gain Input voltage 1 Input voltage 2 Input current Offset voltage Output source current Output sink current (Note 1) (Note 1) (Note 1) Symbol fT Gvo Vin1 Vin2 Iin Voff IAso IAsi Test Circuit 3/4 3/4 (8) (9) (10) 3/4 (11) (12) Voh = VCC - 1 V Vol = 0.3 V -5 300 130 10 pin (R) OPEN 10 pin (R) GND (Note 2) (Note 2) Test Condition Min 1.5 80 1.33 1.14 Typ. 2 90 1.4 1.2 25 0 800 200 1.47 1.26 50 5 Max Unit MHz dB V V nA mV mA mA (Window-Comparator) Characteristics Trip voltage 1 Trip voltage 2 Output source current Output sink current (Note 1) (Note 2) Symbol Vtrp1 Vtrp2 IW so IW si Test Circuit 3/4 3/4 (13) (14) Test Condition 10 pin (R) OPEN 10 pin (R) GND Voh = VCC - 0.5 V Vol = 0.3 V (Note 2) (Note 2) Min Vin1 0.285 Vin2 0.475 30 300 Typ. Vin1 0.3 Vin2 0.5 50 800 Max Vin1 0.315 Vin2 0.525 Unit V V mA mA Note 1: Marked parameters are reference data. Note 2: 10 pin must be non-connected otherwise connected to GND. 3 2002-01-17 TA6039FN Application Note 1.7 V (1.7 V) Buffer 1 1 Shock sensor 2 Buffer 1 1.4 V (1.2 V) REF 1.1 V (0.7 V) LPF AMP 20 9 C1 R1 C2 R2 8 7 Window Comparator 4 OUT Figure 1 The Composition of G-Force Sense Amplifier Figure 1 shows the configuration of G-Force sensor amplifier. The shock sensor is connected between the pins 1 and 2. External registor R1 and R2 are used to adjust the sensitivity. When G-force Sensor (sensor sensibility = s (mV/G)) is used to detect external shock of g (G), the external parts are determined as following. (gain setting) * 10 PIN (R) GND 500/(s g) = G1 G1/20 = G (OP-AMP) (HPF setting) fc = 1/(2 p R1 C1) (LPF setting) fc = 1/(2 p R2 C2) 4 2002-01-17 TA6039FN Reference Data (1) 9 pin (DIFF-AMP output) CMRR, PSRR CMRR, PSRR (9 pin) -30 -40 -50 CMRR (dB) -60 PSRR -70 -80 100 1000 10000 100000 (Hz) (2) 7 pin (OP-AMP output) source current Source Current (7 pin) 1800 1500 85C (mA) Source current 1200 900 25C 600 -25C 300 0 1.8 2.0 2.2 2.4 2.6 Voh (V) (3) 7 pin (OP-AMP output) sink current Sink Current (7 pin) 300 85C 250 Sink current (mA) 200 25C 150 -25C 100 50 0 0 0.1 0.2 0.3 0.4 0.5 Vol (V) 5 2002-01-17 VREF Equivalent Circuit 10 13.59 kW 1.7 V 500 W 22 kW 8 1.5 kW 9 6 kW 6 kW 50 mA AMP 7 10 mA 250 W 10 kW 10 mA 100 W 10 mA 100 W 6 10 mA 50 mA 4 1 kW 7 50 mA 50 mA 5 kW 100 W 3 TA6039FN 2002-01-17 TA6039FN Test Circuit (1) Supply current ICC (2) GUARD Pin Output voltage VoGur 30 kW 10 9 8 7 6 M 10 3.3 V 9 8 7 6 3.3 V 1 2 3 4 5 1 2 3 M 4 5 (3) DIFF-AMP Gain GvBuf Step 1 M1 M 10 9 8 7 6 3.3 V Step 2 M2 M 10 9 8 7 6 3.3 V 1 0.6 V 2 0.64 V 3 4 5 1 2 3 4 5 Gain = 2 - 1 0.64 - 0.60 (4) DIFF-AMP Output DC voltage VoBuf VoBuf (5) DIFF-AMP Low cut-off frequency fc M 10 9 8 7 6 3.3 V M 10 9 8 7 6 3.3 V 100 kW 100 kW 0.1 mF 1 2 3 4 5 1 100 pF 2 3 4 5 100 pF 7 2002-01-17 TA6039FN (6) DIFF-AMP Output source current IBso M 2.3 V 0.3 V 10 9 8 7 6 3.3 V (7) DIFF-AMP Output sink current IBsi M 10 9 8 7 6 3.3 V 1 0.62 V 2 0.5 V 3 4 5 1 0.45 V 2 0.65 V 3 4 5 (8) OP-AMP Input voltage 1 Vin1 30 kW M 10 9 8 7 (9) OP-AMP Input voltage 2 Vin2 M 30 kW 9 8 7 6 3.3 V 1 2 3 4 5 9 8 7 6 3.3 V 1 2 3 4 5 6 3.3 V 10 1 2 3 4 5 (10) OP-AMP Input current Iin M 1.2 V 10 9 8 7 6 3.3 V 1 2 3 4 5 (11) OP-AMP Output source current IAso M 2.3 V 1.2 V 0.3 V (12) OP-AMP Output sink current IAsi M 1.6 V 10 9 8 7 6 3.3 V 10 1 2 3 4 5 8 2002-01-17 TA6039FN (13) Window comparator Output source current IWso (14) Window comparator Output sink current IWsi 1.2 V 3.3 V 0.6 V 3.3 V 1.4 V 10 9 8 7 6 10 9 8 7 6 3.3 V 1 2 3 2.8 V 4 M 5 1 2 3 0.3 V 4 M 5 Test Circuit (for reference) (a) DIFF-AMP CMRR M 10 9 8 7 6 3.3 V (b) DIFF-AMP PSRR M 10 9 8 7 6 3.3 V 1 2 3 4 5 1 2 3 4 5 9 2002-01-17 TA6039FN Package Dimensions Weight: 0.04 g (typ.) 10 2002-01-17 TA6039FN RESTRICTIONS ON PRODUCT USE 000707EAA * TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. * The information contained herein is subject to change without notice. 11 2002-01-17 |
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