3-1

File Number

4657.3

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143

ADVANCE INFORMATION

ISL5640

3V Dual 8-Bit, 20/40/60MSPS A/D

Converter with Internal Voltage Reference

The ISL5640 is a monolithic, dual 8-bit analog-to-digital

converter fabricated in an advanced CMOS process. It is

designed for high speed applications where integration,

bandwidth and accuracy are essential. The ISL5640

features a 9-stage pipeline architecture. The fully pipelined

architecture and an innovative input stage enable the

ISL5640 to accept a variety of input configurations, single-

ended or fully differential. Only one external clock is

necessary to drive both converters and an internal band-gap

voltage reference is provided. This allows the system

designer to realize an increased level of system integration

resulting in decreased cost and power dissipation.

The ISL5640 has excellent dynamic performance while

consuming less than 100mW power at 40MSPS. The A/D

only requires a single +3.0V power supply. Data output

latches are provided which present valid data to the output

bus with a latency of 5 clock cycles.

The ISL5640 is offered in 20MSPS, 30MSPS, 40MSPS and

60MSPS sampling rates.

Features

• Sampling Rate . . . . . . . . . . . . . . . . . . . . . . . . . . .40MSPS

• Low Power at 40MSPS. . . . . . . . . . . . . . . . . . . . . 100mW

• Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . <1mW

• Wide Full Power Input Bandwidth. . . . . . . . . . . . . 250MHz

• Excellent Channel-to-Channel Isolation . . . . . . . . . >75dB

• On-Chip Sample and Hold Amplifiers

• Internal Bandgap Voltage Reference . . . . . . . . . . . . 1.25V

• Single Supply Voltage Operation . . . . . . . . . . . . . . . +3.0V

• Offset Binary or Two’s Complement Output Format

• Dual 8-Bit A/D Converters on a Monolithic Chip

• Pin Compatible Upgrade to AD9288

Applications

• Wireless Local Loop

• PSK and QAM I&Q Demodulators

• Medical Imaging

• High Speed Data Acquisition

Pinout

48 LEAD LQFP

TOP VIEW

Ordering Information

PART

NUMBER

TEMP.

RANGE

PACKAGE

PKG. NO.

SAMPLING

RATE

(MSPS)

ISL5640/2IN

-40 to 85 48 Ld LQFP

Q48.7x7

20

ISL5640/3IN

-40 to 85 48 Ld LQFP

Q48.7x7

30

ISL5640/4IN

-40 to 85 48 Ld LQFP

Q48.7x7

40

ISL5640/6IN

-40 to 85 48 Ld LQFP

Q48.7x7

60

ISL5640 EVAL

25

Evaluation Platform

1

2

3

4

5

6

7

8

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

9

10

11

12

13 14 15 16

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

N/C

N/C

GND

GND

GND

GND

N/C

N/C

GND

DFS

S1

S2

GND

Data Sheet

June 2000