tle4997i Infineon Technologies Corporation, tle4997i Datasheet
tle4997i
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tle4997i Summary of contents
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Preliminary Data Sheet, V 1.01, September 2006 Programmable Linear Hall Sensor ...
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Edition 2006-07 Published by Infineon Technologies AG, Am Campeon 1-12, 85579 Neubiberg, Germany © Infineon Technologies AG 2006. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee ...
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... TLE4997I Revision History: Previous Version: Page Subjects (major changes since last revision) 8 Principle of operation adapted. Table DDrev 11 Table 3: R pull-up min. 50kOhm Table 4, Output DAC resolution: Note deleted. 14 Calculation of the junction temperature adapted. 15 Magnetic field path and temperature compensation adapted. ...
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... Open Circuit of Supply Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.3 Not correctable EEPROM Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 8 Temperature Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 8.1 Parameter Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 9 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9.1 Calibration Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.2 Programming Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.3 Data Transfer Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.4 Programming of Sensors with Common Supply Lines . . . . . . . . . . . . . . . 29 10 Application Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 11 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 12 Life Support Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Preliminary Data Sheet 4 TLE4997I V 1.01, 2006-09 ...
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... Individual programming and operation of multiple sensors with common power supply • Two point calibration of magnetic transfer function • Precise calibration without iteration steps • High immunity against mechanical stress, EMC, ESD Type Marking TLE4997I 4997I2 Preliminary Data Sheet Ordering Code Package SP000248475 PG-SSO-3-10 5 TLE4997I V 1.01, 2006-09 ...
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... Pin Configuration and Hall Cell Location Table 1 Pin Definitions and Functions Pin No. Symbol GND 3 OUT Preliminary Data Sheet Center of Hall Probe 1.625 ± 0.1mm 2 3 Function Supply voltage / programming interface Ground Output voltage / programming interface 6 TLE4997I Overview 0.38 ± 0.05mm Branded Side V 1.01, 2006-09 ...
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... Figure 2 Block Diagram 2.2 Functional Description The linear Hall IC TLE4997I has been designed specifically to meet the demands of highly accurate rotation and position detection, as well as for current measurement applications. The sensor provides a ratiometric analog output voltage which is ideally suited for A/D conversion with the supply voltage as a reference. ...
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... The output voltage range can be clamped by digital limiters. • The final output value converted. • The output voltage is proportional to the supply voltage (ratiometric DAC). • An OBD (On-Board-Diagnostics) circuit connects the output GND in case of errors. DD Preliminary Data Sheet 8 TLE4997I General V 1.01, 2006-09 ...
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... Preliminary Data Sheet show how flexible different magnetic field ranges can (mT) 5 100 0 0 -100 Example 2: - Unipolar - Big offset - Output for 3 TLE4997I (V) B (mT) OUT 5 200 OUT -200 Example 3: - Bipolar - Inverted (neg. gain) line are imaged in the ...
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... DDov DDrev -16 16 OUTov B - unlimited T MAX - 2.0 V ESD < 80° pins with respect to ground ( DD 10 TLE4997I Maximum Ratings Unit Notes °C ° According HBM 6) JESD22-A114 > must not SS V 1.01, 2006-09 ...
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... Operating Range The following operating conditions must not be exceeded in order to ensure correct operation of the TLE4997I. All parameters specified in the following sections refer to these operating conditions, unless otherwise noticed. Table 3 Operating Range Parameter Supply voltage Load resistance Load capacitance 3) Junction temperature 1) Keeping signal levels within the limits specified in this table, ensures operation without overload conditions. ...
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... DNL 250 range; see chapter “Ratiometry” on Page 13 OUT 20. samples are out of limit. OUT V shows amplitude of 20% of OUT 12 TLE4997I Unit Notes extend. V range DD mA for operating supply voltage range only lifetime error band ov ...
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... 5V OUT × 100 % range below 4.5V and above 5.5V is defined as DD the value for n is 2%. For kept (clamped) in between, the value for n is 1%. OUT 13 TLE4997I higher 80 OUT and V line degrading the DD OUT V 1.01, 2006- ...
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... least square error fit out ) < V < (95 OUT DD “Operating Range” on Page 11 14 TLE4997I R (Junction to Ambient) leads thJA Junction to Case > direction is into IC OUT DD OUT is more adequate. Unit Notes max. ± 300 1) 2) mV/mT ± 200 ...
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... The linear path is multiplied with the TC Preliminary Data Sheet shows the data processing algorithm. Range Offset Gain Stored in EEPROM Memory Table 9) 8) value TLE4997I Signal Processing Limiter (Clamp DAC (Table Table 8) plus value (zero point of the 0 V 1.01, 2006-09 out 10). ...
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... Register size 1) Ranges do not have an guaranteed absolute accuracy. The temperature pre-calibration is performed in the Mid range (100mT). Preliminary Data Sheet Range in mT ± 50 ± 100 ± 200 Symbol Limit Values min. max TLE4997I Signal Processing Parameter Unit Notes 1) bit V 1.01, 2006-09 ...
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... Symbol Limit Values min. max -400 399 OS ∆ 16384 – V --------------------------------- = OS 4096 17 Signal Processing Unit Notes bit unsigned integer value 1)2) - ppm corresponds to value Unit Notes bit unsigned integer value generally DD value. OS × 1.01, 2006-09 TLE4997I 1/4096 / 4095 ...
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... Note: In Range 7 (filter off), the output noise increases. Because of higher DSP load, also the current consumption rises slightly. Preliminary Data Sheet Cutoff frequency in Hz (at 3dB attenuation) 78 244 421 615 826 1060 1320 2) off Symbol Limit Values min. max ∆ TLE4997I Signal Processing Unit Notes bit % V 1.01, 2006-09 1) ...
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... The “off” position would be a flat 0dB line. In this case, output decimation filter limits the bandwidth of the sensor. The update rate after the lowpass filter is 16kHz Figure 6 DSP Input Filter (magnitude plot) Preliminary Data Sheet 2 10 Frequency (Hz) 19 TLE4997I Signal Processing 1.01, 2006-09 ...
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... The update rate after the interpolation filter is 256kHz Figure 7 DAC Input Filter (magnitude plot) Note: As this is a digital filter running with an RC-based oscillator, the cutoff frequency may vary within ±30%. Preliminary Data Sheet 2 10 Frequency (Hz) 20 TLE4997I Signal Processing 1.01, 2006-09 4 ...
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... CLL V 0 100 CLH ∆ V 1.22 CLQ ∆ V -0.5 0.5 CL -0.5 0.5 ) < V < (95 OUT DD CL × V ----------- - V = CLL 4096 CH × ----------- - CLH 4096 . V out 21 Signal Processing Unit Notes bit lifetime DD over temperature 1.01, 2006-09 TLE4997I V out 2) ...
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... V and 4 (V) out min Figure 8 Clamping example Note: The high value must be above the low value. Preliminary Data Sheet Error range Operating range Error range 22 TLE4997I Signal Processing B B and is min max V CLH V CLL B max B (mT) V 1.01, 2006-09 ...
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... DDov OUTov DDuv Table 2 "Absolute Maximum Ratings" on Page 10 1) min. max. 0 0.2 4.8 5 ≥ R 10kΩ pull-up TLE4997I Error detection 11. ≥ 10k pull down or 50k pull up) Unit Notes V V < ≤ DDov undervoltage Unit Notes 1.01, 2006-09 ...
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... A further single bit error in an other line will be detected, too. As this situation is not correctable, this status is signalled at the output pin by clamping the output value to Table 15 EEPROM Error Signalling Parameter Symbol V Output voltage @ EEPROM error Preliminary Data Sheet Limit Values min. max 0.96 x OUT TLE4997I Error detection V Unit Notes V V 1.01, 2006- ...
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... Temperature Compensation The magnetic field strength of a magnet depends on the temperature. This material constant is specific for the different magnet types. Therefore the TLE4997I offers a second order temperature compensation polynomial, by which the Hall signal output is multiplied in the DSP. There are three parameters for the compensation: • ...
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... TCnew Temperature Compensation × ≈ (T0) will be given due to the way that overall the next TCnew × ≈ TCHall can be calculated out of the pre ≈ 1.01, 2006-09 TLE4997I ...
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... But this feature is not required for a deterministic two point setup to fulfill the specification. 2) Details and basic algorithms for this step are available on request. Preliminary Data Sheet 2) . Symbol Limit Values min. max CAL ∆ V -0.5 0.5 CAL1 27 TLE4997I Calibration 1) of the setup before Unit Notes ° VDD in both positions V 1.01, 2006-09 ...
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... For the column bits, also the pre-calibration area must be read out and considered for correct parity generation. Note: A specific programming algorithm must be followed to ensure the data retention. A detailed separate programming specification is available on request. Preliminary Data Sheet Column Parity Bits User-Calibration Bits Pre-Calibration Bits 28 TLE4997I Calibration V 1.01, 2006-09 ...
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... Preliminary Data Sheet Symbol Limit Values min. max PRG PRG PRG 135 - TLE4997I Calibration Unit Notes Cycles programming only at 1) start of lifetime allowed °C ms for complete memory Bit all active EEPROM bits Bit all parity EEPROM bits V 1.01, 2006-09 2) ...
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... The given application circuit has to be understood as an example, needs to be adapted according to the specific requirements of the application. Preliminary Data Sheet Ref Voltage Tracker e.g. TLE4250 47nF 100 nF 10k optional 47nF 100 nF 10k 30 TLE4997I Application Circuit ADC ref 10k ADC in1 100 nF ADC in2 ADC GND µC 10k 100 nF ...
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... Total tolerance at 19 pitches ± solder function area Figure 11 PG-SSO-3-10 (Plastic Green Single Small Outline Package) Preliminary Data Sheet 45˚ 5˚ ±0.05 B 1.5 R0.13 MAX. 0.5 ±0.1 3x 0.42 ±0.05 0 1.27 = 2.54 4 ±0.2 ±0.3 31 TLE4997I Package Outlines 2 A 1.5 ±0.05 R0.1 MAX. 0.82 ±0.05 0.36 ±0.05 A Adhesive Tape Tape 0.25 -0.15 0.39 ±0.1 GPO09662 V 1.01, 2006-09 ...
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... Infineon Technologies AG customers using or selling this product for use in such applications their own risk and agree to fully indemnify Infineon Technologies AG for any damages resulting from such improper use or sale. Preliminary Data Sheet Life Support Applications 32 TLE4997I V 1.01, 2006-09 ...
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... Preliminary Data Sheet Life Support Applications 33 TLE4997I V 1.01, 2006-09 ...
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Published by Infineon Technologies AG ...