FDC2114RGHR datasheet(7/60 Pages) TI1

tên linh kiện	FDC2114RGHR

Giải thích chi tiết về linh kiện	Capacitance-to-Digital Converter for Proximity Level Sensing Applications

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SCL

SDA

tHD;STA

tLOW

tr

tHD;DAT

tHIGH

tf

tSU;DAT

tSU;STA

tSU;STO

tf

START

REPEATED

START

STOP

tHD;STA

START

tSP

tr

tBUF

FDC2212, FDC2214, FDC2112, FDC2114

www.ti.com

SNOSCZ5A – JUNE 2015 – REVISED JUNE 2015

Electrical Characteristics (continued)

Unless otherwise specified, all limits ensured for TA = 25°C, VDD = 3.3 V

(1)

PARAMETER

TEST CONDITIONS(2)

MIN(3)

TYP(4)

MAX(3)

UNIT

VCLKIN_HI

CLKIN high voltage threshold

0.7*VDD

V

fINTCLK

Internal master clock frequency

35

43.4

55

MHz

range

TCf_int_μ

Internal master clock temperature

–13

ppm/°C

coefficient mean

8.6 Timing Requirements

MIN

NOM

MAX

UNIT

tSDWAKEUP

Wake-up time from SD high-low transition to I2C readback

2

ms

tSLEEPWAKEUP Wake-up time from sleep mode

0.05

ms

tWD-TIMEOUT

Sensor recovery time (after watchdog timeout)

5.2

ms

I2C TIMING CHARACTERISTICS

fSCL

Clock frequency

10

400

kHz

tLOW

Clock low time

1.3

μs

tHIGH

Clock high time

0.6

μs

Hold time (repeated) START condition: after this period, the first clock

tHD;STA

0.6

μs

pulse is generated

tSU;STA

Setup time for a repeated START condition

0.6

μs

tHD;DAT

Data hold time

0

μs

tSU;DAT

Data setup time

100

ns

tSU;STO

Setup time for STOP condition

0.6

μs

tBUF

Bus free time between a STOP and START condition

1.3

μs

tVD;DAT

Data valid time

0.9

μs

tVD;ACK

Data valid acknowledge time

0.9

μs

tSP

Pulse width of spikes that must be suppressed by the input filter(1)

50

ns

(1)

This parameter is specified by design and/or characterization and is not tested in production.

Figure 1. I2C Timing

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Product Folder Links: FDC2212 FDC2214 FDC2112 FDC2114

Số phần tương tự - FDC2114RGHR

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	FDC2114RGHR	1Mb / 61P	[Old version datasheet] EMI-Resistant 28-Bit,12-Bit Capacitance-to-Digital Converter

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Texas Instruments	FDC2112-Q1	1Mb / 58P	[Old version datasheet] Capacitance-to-Digital Converter (FDC) for Capacitive Sensing
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