AD7663ACP 데이터 시트보기 (PDF) - Analog Devices

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AD7663ACP

16-Bit, 250 kSPS CMOS ADC

Analog Devices 

ABSOLUTE MAXIMUM RATINGS1

Analog Inputs

IND2, INC2, INB2 . . . . . . . . . . . . . . . . . . . . –11 V to +30 V

INA, REF, INGND, REFGND

. . . . . . . . . . . . . . . . . . . . AGND – 0.3 V to AVDD + 0.3 V

Ground Voltage Differences

AGND, DGND, OGND . . . . . . . . . . . . . . . . . . . . . ±0.3 V

Supply Voltages

AVDD, DVDD, OVDD . . . . . . . . . . . . . . . . –0.3 V to +7 V

AVDD to DVDD, AVDD to OVDD . . . . . . . . . . . . . . ±7 V

DVDD to OVDD . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

Digital Inputs . . . . . . . . . . . . . . . . –0.3 V to DVDD + 0.3 V

Internal Power Dissipation3 . . . . . . . . . . . . . . . . . . . 700 mW

Internal Power Dissipation4 . . . . . . . . . . . . . . . . . . . . . 2.5 W

Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C

Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C

Lead Temperature Range

(Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C

1Stresses above those listed under Absolute Maximum Ratings may cause perma-

nent damage to the device. This is a stress rating only; functional operation of the

device at these or any other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect device reliability.

2See Analog Inputs section.

3Specification is for device in free air: 48-Lead LQFP: qJA = 91°C/W, qJC = 30°C/W.

4Specification is for device in free air: 48-Lead LFCSP: qJC = 26ЊC/W.

AD7663

PIN CONFIGURATION

ST-48 and CP-48

48 47 46 45 44 43 42 41 40 39 38 37

AGND 1

AVDD 2

NC 3

BYTESWAP 4

OB/2C 5

NC 6

NC 7

SER/PAR 8

D0 9

D1 10

D2/DIVSCLK[0] 11

D3/DIVSCLK[1] 12

PIN 1

IDENTIFIER

AD7663

TOP VIEW

(Not to Scale)

36 AGND

35 CNVST

34 PD

33 RESET

32 CS

31 RD

30 DGND

29 BUSY

28 D15

27 D14

26 D13

25 D12

NC = NO CONNECT

13 14 15 16 17 18 19 20 21 22 23 24

ORDERING GUIDE

Model

Temperature Range

Package Description

Package Option

AD7663AST

AD7663ASTRL

AD7663ACP

AD7663ACPRL

EVAL-AD7663CB1

EVAL-CONTROL BRD22

–40°C to +85°C

–40°C to +85°C

–40ЊC to +85ЊC

–40ЊC to +85ЊC

Quad Flatpack (LQFP)

Quad Flatpack (LQFP)

Chip Scale (LFCSP)

Chip Scale (LFCSP)

Evaluation Board

Controller Board

ST-48

ST-48

CP-48

CP-48

NOTES

1This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BRD2 for evaluation/demonstration purposes.

2This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection. Although

the AD7663 features proprietary ESD protection circuitry, permanent damage may occur on

devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are

recommended to avoid performance degradation or loss of functionality.

REV. B

–5–

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