Datasheet > AD5263BRU20-REEL7

AD5263BRU20-REEL7

更新时间： 2024-02-25 02:52:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
6页	85K
描述
Preliminary Technical Data

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PRELIMINARY TECHNICAL DATA

Quad +15V Digital Potentiometers

AD5263

SPI Compatible Digital Interface (DIS=’0’)

SDI

Ax or Dx

A'x or D'x

Ax or Dx

tDS

(Data In)

tDH

TABLE IA: SPI 10-Bit Serial-Data Word

Format

SDO

A'x or D'x

(Data Out)

tPD_MAX

ADDR

DATA

tCH

B8 B7 B6 B5 B4 B3 B2 B1 B0

tCS1

CLK

A0 D7 D6 D5 D4 D3 D2 D1 D0

MSB

2⁷

LSB

2⁰

tCSH0

tCSH1

tCL

2⁹

tCSS

tCSW

VOUT

SDI

A1 A0 D7 D6 D5 D4 D3

D1 D0

±1 LSB

±1 LSB ERROR BAND

CLK

Figure 1B. Detail SPI Timing Diagram

RDAC REGISTER LOAD

VOUT

Figure 1A. SPI Timing Diagram

I²C Compatible Digital Interface (DIS=’1’)

TABLE IIA: I²C Write Mode Data Word Format

Slave Address Byte

Instruction Byte

Data Byte

TABLE IIB: I²C Read Mode Data Word Format:

Slave Address Byte

Data Byte

S = Start Condition

P = Stop Condition

A = Acknowledge

SD = Shutdown active high, ties wiper (A1, A0) to terminal A,

opens terminal B, RDAC register contents are not disturbed. To exit

shutdown a command SD = ‘0’ must be executed for each RDAC

(A1, A0).

W = Write = ‘0’

AD1, AD0 = Package pin programmable address bits, Must match

with the logic states at pins AD1, AD0

R = Read = ‘1’

A1, A0 = RDAC sub address select

D7,D6,D5,D4,D3,D2,D1,D0 = Data Bits

X = Don’t Care

RS = Software Reset wiper (A1, A0) to mid scale position

t₈

SDA

t₁

t₆

t₈

t₉

SCL

t₂

t₃

t₄

t₅

t₇

t₁₀

Figure 2. I²C Compatible Detail Timing Diagram

08 AUG ’02, REV PrD

- 5 -

1 2 3 456

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