AD7998BRUZ-1REEL3 datasheet(7/32 Pages) AD

tên linh kiện	AD7998BRUZ-1REEL3

Giải thích chi tiết về linh kiện	8-Channel, 10- and 12-Bit ADCs with I2CCompatible

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AD7997/AD7998

Rev. 0 | Page 7 of 32

I2C TIMING SPECIFICATIONS

Guaranteed by initial characterization. All values measured with input filtering enabled. CB refers to capacitive load on the bus line. tr and

tf measured between 0.3 VDD and 0.7 VDD.

High speed mode timing specifications apply to the AD7997-1/AD7998-1 only. Standard and fast mode timing specifications apply to

both the AD7997-0/AD7998-0 and the AD7997-1/AD7998-1. See Figure 2. Unless otherwise noted, VDD = 2.7 V to 5.5 V; REFIN = 2.5 V;

TA =TMIN to TMAX.

Table 3.

AD7997/AD7998 Limit at TMIN, TMAX

Parameter

Conditions

Min

Max

Unit

Description

fSCL

Standard mode

100

kHz

Serial clock frequency

Fast mode

400

kHz

High speed mode

CB = 100 pF max

3.4

MHz

CB = 400 pF max

1.7

MHz

t1

Standard mode

4

µs

tHIGH, SCL high time

Fast mode

0.6

µs

High speed mode

CB = 100 pF max

60

ns

CB = 400 pF max

120

ns

t2

Standard mode

4.7

µs

tLOW, SCL low time

Fast mode

1.3

µs

High speed mode

CB = 100 pF max

160

ns

CB = 400 pF max

320

ns

t3

Standard mode

250

ns

tSU;DAT, data setup time

Fast mode

100

ns

High speed mode

10

ns

t41

Standard mode

0

3.45

µs

tHD;DAT, data hold time

Fast mode

0

0.9

µs

High speed mode

CB = 100 pF max

0

702

ns

CB = 400 pF max

0

150

ns

t5

Standard mode

4.7

µs

tSU;STA, setup time for a repeated start condition

Fast mode

0.6

µs

High speed mode

160

ns

t6

Standard mode

4

µs

tHD;STA, hold time (repeated) start condition

Fast mode

0.6

µs

High speed mode

160

ns

t7

Standard mode

4.7

µs

tBUF, bus free time between a stop and a start condition

Fast mode

1.3

µs

t8

Standard mode

4

µs

tSU;STO, setup time for stop condition

Fast mode

0.6

µs

High speed mode

160

ns

t9

Standard mode

1000

ns

tRDA, rise time of SDA signal

Fast mode

20 + 0.1 CB

300

ns

High speed mode

CB = 100 pF max

10

80

ns

CB = 400 pF max

20

160

ns

Số phần tương tự - AD7998BRUZ-1REEL3

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Analog Devices	AD7998	934Kb / 28P	2-Channel, 12-Bit ADC with I2C-Compatible REV. 0
Analog Devices	AD7998	1Mb / 32P	8-Channel, 10- and 12-Bit ADCs with IC Compatible Interface in 20-Lead TSSOP REV. 0

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