SPT7725 Ver la hoja de datos (PDF) - Fairchild Semiconductor

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componentes Descripción

Fabricante

SPT7725

8-BIT, 300 MSPS, FLASH A/D CONVERTER

Fairchild Semiconductor 

PIN ASSIGNMENTS

9

8

76

5

4

3

21

A

D8

D6

D5

D4

D3

D2

D1

D0 DGND

AGND D7

B

DREAD AGND

VEE DGND

CLK MINV

VEE CLK

AGND AGND

VRBS VEE

Bottom

View

PGA

C

N/C VEE

D

LINV DRINV

E

VEE AGND

F

VRTS AGND

G

N/C VRTF

VRBF VR1

H

VR3 VEE

J

N/C AGND VIN AGND VR2 AGND VIN AGND N/C

1 VEE

2 N/C

3 LINV

4 VEE

5 AGND

6 DGND

7 D0 (LSB)

8 D1

9 D2

10 D3

11 D4

12 D5

13 D6

14 D7 (MSB)

15 DGND

16 AGND

17 VEE

18 MINV

19 N/C

20 CLK

21 CLK

DIP

DGND 1

AGND 2

VEE

3

MINV 4

CLK 5

CLK 6

VEE

7

AGND 8

AGND 9

VRBS 10

VRBF 11

Cerquad

33 AGND

32 VEE

31 LINV

30 N/C

29 DRINV

28 N/C

27 VEE

26 AGND

25 AGND

24 VRTS

23 VRTF

N/C 42

VRTF 41

N/C 40

VEE 39

VEE 38

N/C 37

N/C 36

AGND 35

VIN 34

AGND 33

VR2 32

AGND 31

VIN 30

AGND 29

N/C 28

N/C 27

VEE 26

VEE 25

N/C 24

VRBF 23

N/C 22

PIN FUNCTIONS

Name

LINV

VEE

DGND

D0

D1–D6

D7

MINV

CLK

CLK

AGND

VIN

VR2

VRTF

VRBF

Function

D0 through D6 Output Inversion Control Pin

Negative Analog Supply Nominally –5.2 V

Digital Ground

Digital Data Output (LSB)

Digital Data Output

Digital Data Output (MSB)

D7 Output Inversion Control Pin

Inverse ECL Clock Input Pin

ECL Clock Input Pin

Analog Ground

Analog Input; Can be Connected to the

Input Signal or Used as a Sense

Reference Voltage Tap 2 (–1.0 V typ)

Reference Voltage Top

Reference Voltage Bottom

The following pins are on PGA and cerquad packages only.

DRINV Data Ready Inverse

DREAD Data Ready Output

Overrange Overrange Output D8

VR1

Reference Voltage Tap 1 (–1.5 V typ)

VR3

Reference Voltage Tap 3 (–0.5 V typ)

VRTS

VRBS

Reference Voltage Top, Sense

Reference Voltage Bottom, Sense

ORDERING INFORMATION

PART NUMBER

LINEARITY

TEMPERATURE RANGE

SPT7725AIJ

0.75 LSB

–25 to +85 °C

SPT7725BIJ

0.95 LSB

–25 to +85 °C

SPT7725AIG

0.75 LSB

–25 to +85 °C

SPT7725BIG

0.95 LSB

–25 to +85 °C

SPT7725AIQ

0.75 LSB

–25 to +85 °C

SPT7725BIQ

0.95 LSB

–25 to +85 °C

SPT7725BCU

0.95 LSB

+25 °C

*Please see the die specification for guaranteed electrical performance.

PACKAGE TYPE

42L Ceramic S/B

42L Ceramic S/B

46L PGA

46L PGA

44L Cerquad

44L Cerquad

Die*

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO

IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR

USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR

THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS

WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

1. Life support devices or systems are devices or systems which, (a) are

intended for surgical implant into the body, or (b) support or sustain life,

and whose failure to perform, when properly used in accordance with

instructions for use provided in the labeling, can be reasonably

expected to result in a significant injury to the user.

2. A critical component is any component of a life support device or

system whose failure to perform can be reasonably expected to cause

the failure of the life support device or system, or to affect its safety or

effectiveness.

www.fairchildsemi.com

© Copyright 2002 Fairchild Semiconductor Corporation

SPT7725

12

8/17/01

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