DAC8413BTC/883 Просмотр технического описания (PDF) - Analog Devices

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DAC8413BTC/883

Quad, 12-Bit DAC Voltage Output with Readback

Analog Devices 

DAC8412/DAC8413

CS

R/W

tRDS

tRCS

tRDH

tAS

tAH

A0/A1

DATA

OUT

HI-Z

tCSD

DATA VALID

tDZ

HI -Z

Figure 2. Data Output (Read Timing)

CS

tWS

R/W

tAS

A0/A1

tWCS

tWH

tAH

tLS

LDAC

DATA IN

tWDS

RESET

tRESET

tLH

tLDW

tWDH

Figure 3. Data WRITE (Input and Output Registers) Timing

CS

R/W

ADDRESS

LDAC

DATA IN

80ns

tWS

tWH

tAS

ADDRESS

ONE

tLS

ADDRESS

TWO

ADDRESS ADDRESS

THREE

FOUR

tLH

tWDS

DATA1

VALID

DATA2

VALID

DATA3

VALID

DATA4

VALID

Figure 4. Single Buffer Mode

tWDH

CS

R/W

ADDRESS

LDAC

DATA IN

80ns

tWS

tWH

tAS

ADDRESS

ONE

ADDRESS

TWO

ADDRESS

THREE

ADDRESS

FOUR

tLS tLH

tWDS

DATA1

VALID

DATA2

VALID

DATA3

VALID

tLDW

tWDH

DATA4

VALID

Figure 5. Double Buffer Mode

VDD

VREFH

VREFL

D1

++

C1

C1 C1 +

D1

R2

D1

C2 VREFH VREFL

R2 R1

N/C

C2 N/C

VOUTB

VOUTA

VSS

VOUTC

VOUTD

VDD

N/C

N/C C2

R3 R3 R3

DGND VLOGIC

RESET

CS C2

LDAC

A0

DB0

A1

DB1

R/W

DB2

DB11

R6

DB3

DB10

DB4

DB9

R1

DB5

DB8

DB6

DB7

R5 R4 R4

*

ONCE PER PORT

DGND

VSS

+

D1

C1

VDD = +15V, VSS = –15V, VREFH = +10V, VREFL = 0V

R1 = 10⍀, R2 = 100⍀, R3 = 5k⍀, R4 = 10k⍀, R5 = 100k⍀,

R6 = 47⍀ FOR LCC, R6 = 100⍀ FOR DIP

C1 = 4.7␮F (ONCE PER PORT), C2 = 0.01␮F (EACH DEVICE)

D1 = 1N4001 OR EQUIVALENT (ONCE PER PORT)

Figure 6. Burn-In Diagram

–4–

REV. D

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