SC531 datasheet(4/15 Pages) SEMTECH

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SC531

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Digital Section (continued)

Digital Output High

CLF, ZVS, ILOAD=7mA

2.64

Digital Output Low

CLF, ZVS, ILOAD=-7mA

0.66

BLANKB pull-up resistance

BLANKB

internal pull-up to V

3.3

4.5

SPI CLK Frequency

CLK

MHz

SPI CLK High & Low Time

SPI

CSB, DIN to Clock Falling Edge

Setup and Hold Time

Chip Select Reset Time

CSB

DAC Section

DAC Response Time

RESPONSE

Settling to within LSB

0.5

DAC INL

INL

LSB

DAC DNL

DNL

-0.2

0.2

LSB

Voltage Reference

REF

VREF/VREFH, HiZ voltmeter

0.245

0.255

V/V

Voltage Reference Buffer Offset

BOFFSET

-5

Voltage Ref Divider Resistance

REF

384

640

896

Current Sense Comparator Section

Current Sense Voltage Range

SENSE

Comparator Offset Voltage

COFFSET

-6

CSENSE to CLF Propagation Delay

CLF

CSENSE to Driver Output Propaga-

tion Delay

DRIV

nF load, 60mV overdrive, 0% to 90% of drive

output

Driver Section

Driver OUT, OUT2, OUT3

Resistance (Sourcing)

DSP,2,3

Driver OUT, OUT2, OUT3

Resistance (Sinking)

DSN,2,3

0.7

Rise Time — OUT, OUT2, OUT3

RISE,2,3

PVDD=8V, load capacitance=nF

Fall Time — OUT, OUT2, OUT3

FALL,2,3

PVDD=8V, load capacitance=nF

Propagation Delay from IN to

OUT, OUT2

PROP,2

PVDD=8V, load capacitance=nF

Electrical Characteristics (continued)

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