LM12434 datasheet(13/80 Pages) NSC

부품명	LM12434

상세설명	Sign Data Acquisition System with Serial I/O and Self-Calibration

PDF	80 Pages

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제조업체	NSC [National Semiconductor (TI)]

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20 Electrical Specifications (Continued)

23 DIGITAL SWITCHING CHARACTERISTICS

The following specifications apply to the LM12434 and LM12 L 438 for VAa

VDae 5V 33V

AGND e DGND e 0V CL (load capacitance) on output lines e 80 pF unless otherwise specified

Boldface limits apply for TA e TJ e TMIN to TMAX all other limits for TA e TJ e 25 C (Notes 6 7 and 9) (Continued)

234 I2C Bus Interface

The switching characteristics of the LM124348 for I2C bus interface fully meets or exceeds the published specifications of the

I2C bus The following parameters given here are the timing relationships between SCL and SDA signals related to the

LM124348 They are not the I2C bus specifications

Symbol

Parameter

Conditions

Typical

Limits

Units

(See

Figure Below)

(Note 10)

(Note 11)

(Limit)

t17

SCL (Clock) Period

2500 10000

ns (min)

t18

Data in Set-Up Time to SCL High

ns (min)

t19

Data Out Stable after SCL Low

900 1400

ns (max)

t20

SDA Low Set-Up Time to SCL

ns (min)

Low (Start Condition)

t21

SDA High Hold Time after SCL

ns (min)

High (Stop Condition)

TLH11879 – 22

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