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BQ7693003DBT Datasheet(PDF) 41 Page - Texas Instruments |
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BQ7693003DBT Datasheet(HTML) 41 Page - Texas Instruments |
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41 / 63 page  bq76920, bq76930, bq76940 www.ti.com SLUSBK2F – OCTOBER 2013 – REVISED NOVEMBER 2015 ADCGAIN2:0 (Bits 7–5, address 0x59): ADC GAIN offset lower 3 LSB ADCGAIN<4:0> is a production-trimmed value for the ADC transfer function, in units of µV/LSB. The range is 365 µV/LSB to 396 µV/LSB, in steps of 1 µV/LSB, and may be calculated as follows: GAIN = 365 µV/LSB + (ADCGAIN<4:0>in decimal) × (1 µV/LSB) Alternately, a conversion table is provided below: ADC GAIN Gain (µV/LSB) ADC GAIN Gain (µV/LSB) 0x00 365 0x10 381 0x01 366 0x11 382 0x02 367 0x12 383 0x03 368 0x13 384 0x04 369 0x14 385 0x05 370 0x15 386 0x06 371 0x16 387 0x07 372 0x17 388 0x08 373 0x18 389 0x09 374 0x19 390 0x0A 375 0x1A 391 0x0B 376 0x1B 392 0x0C 377 0x1C 393 0x0D 378 0x1D 394 0x0E 379 0x1E 395 0x0F 380 0x1F 396 Table 7-23. ADCOFFSET (0x51) BIT 7 6 5 4 3 2 1 0 NAME ADC ADC ADC ADC ADC ADC ADC ADC OFFSET7 OFFSET6 OFFSET5 OFFSET4 OFFSET3 OFFSET2 OFFSET1 OFFSET0 RESET — — — — — — — — ACCESS R R R R R R R R ADCOFFSET7:0 (Bits 7–0): ADC offset, stored in 2’s complement format in mV units. Positive full-scale range corresponds to 0x7F and negative full-scale corresponds to 0x80. The full-scale input range is –128 mV to 127 mV, with an LSB of 1 mV. The table below shows example offsets. ADCOFFSET Offset (mV) 0x00 0 0x01 1 0x7F 127 0x80 –128 0x81 –127 0xFF –1 Copyright © 2013–2015, Texas Instruments Incorporated Detailed Description 41 Submit Documentation Feedback Product Folder Links: bq76920 bq76930 bq76940 |
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