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DAC53401 Datasheet(Arkusz danych) 28 Page - Texas Instruments

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Numer części DAC53401
Szczegółowy opis  DACx3401 10-Bit and 8-Bit, Voltage-Output Digital-to-Analog Converters With Nonvolatile Memory and PMBus™ Compatible I2C Interface in Tiny 2 × 2 WSON
Pobierz  42 Pages
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
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 28 page
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28
DAC53401, DAC43401
SLASES7 – JULY 2019
www.ti.com
Product Folder Links: DAC53401 DAC43401
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Copyright © 2019, Texas Instruments Incorporated
Table 19. GENERAL_CONFIG Register Field Descriptions (continued)
BIT
FIELD
TYPE
RESET
DESCRIPTION
11 - 9
CODE_STEP
R/W
000
Code step for programmable slew rate control.
000: Code step size = 1 LSB (default)
001: Code step size = 2 LSB
010: Code step size = 3 LSB
011: Code step size = 4 LSB
100: Code step size = 6 LSB
101: Code step size = 8 LSB
110: Code step size = 16 LSB
111: Code step size = 32 LSB
8 - 5
SLEW_RATE
R/W
1111
Slew rate for programmable slew rate control.
0000: 25.6 µs (per step)
0001: 25.6 µs × 1.25 (per step)
0010: 25.6 µs × 1.50 (per step)
0011: 25.6 µs × 1.75 (per step)
0100: 204.8 µs (per step)
0101: 204.8 µs × 1.25 (per step)
0110: 204.8 µs × 1.50 (per step)
0111: 204.8 µs × 1.75 (per step)
1000: 1.6384 ms (per step)
1001: 1.6384 ms × 1.25 (per step)
1010: 1.6384 ms × 1.50 (per step)
1011: 1.6384 ms × 1.75 (per step)
1100: 12 µs (per step)
1101: 8 µs (per step)
1110: 4 µs (per step)
1111: No slew (default)
4 - 3
DAC_PDN
R/W
10
00: Power up
01: Power down to 10K
10: Power down to high impedance (default)
11: Power down to 10K
2
REF_EN
R/W
0
0: Internal reference disabled, VDD is DAC reference voltage,
DAC output range from 0 to VDD.
1: 0: Internal reference enabled, DAC reference = 1.21 V
1 - 0
DAC_SPAN
R/W
00
Only applicable when internal reference is enabled.
00: Reference to VOUT gain 1.5X
01: Reference to VOUT gain 2X
10: Reference to VOUT gain 3X
11: Reference to VOUT gain 4X




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