ISL5640 Datasheet PDF ( Pinout ) - 3V Dual 8-Bit/ 20/40/60MSPS A/D Converter with Internal Voltage Reference

ISL5640 Datasheet PDF - Intersil Corporation

Part Number	*ISL5640*
Description	3V Dual 8-Bit/ 20/40/60MSPS A/D Converter with Internal Voltage Reference
Manufacturers	Intersil Corporation
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ADVANCE INFORMATION Data Sheet

ISL5640

June 2000 File Number 4657.3

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.

Ordering Information

PART

NUMBER

ISL5640/2IN

TEMP.

RANGE

(oC)

PACKAGE

SAMPLING

RATE

PKG. NO. (MSPS)

-40 to 85 48 Ld LQFP Q48.7x7

ISL5640/3IN -40 to 85 48 Ld LQFP Q48.7x7

ISL5640/4IN -40 to 85 48 Ld LQFP Q48.7x7

ISL5640/6IN -40 to 85 48 Ld LQFP Q48.7x7

ISL5640 EVAL 25 Evaluation Platform

Features

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

• 7.4 Bits at fIN = 1MHz

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

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

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

• SFDR at fIN = 1MHz . . . . . . . . . . . . . . . . . . . . . . . . . .55dB

• 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

GND

IIN+

IIN-

DFS

IVRIN

VROUT

QVRIN

QIN-

QIN+

GND

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

1 36

2 35

3 34

4 33

5 32

6 31

7 30

8 29

9 28

10 27

11 26

12 25

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

N/C

GND

DVCC

GND

AVCC

GND

DVCC

GND

N/C

3-1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

ISL5640

Absolute Maximum Ratings TA = 25oC

Supply Voltage, AVCC or DVCC to AGND or DGND . . . . . . . . . . .4V

DGND to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3V

Digital I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DGND to DVCC

Analog I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . AGND to AVCC

Operating Conditions

Thermal Information

Thermal Resistance (Typical, Note 1)

θJA (oC/W)

ISL5640IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .150oC

Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300oC

(Lead Tips Only)

Temperature Range

ISL5640IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to 85oC

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this speciﬁcation is not implied.

Electrical Speciﬁcations

AVDD = DVDD

CL = 10pF; TA

2+53o.3CV; ;UVnIlNes=s1O.5th0eVr;wfSise=

40MSPS

Speciﬁed

50%

Duty

Cycle;

PARAMETER

TEST CONDITIONS

MIN

ACCURACY

Resolution

Integral Linearity Error, INL

Differential Linearity Error, DNL

(Guaranteed No Missing Codes)

fIN = 1MHz

Offset Error, VOS

Full Scale Error, FSE

DYNAMIC CHARACTERISTICS

fIN = DC

-10

Minimum Conversion Rate

No Missing Codes

Maximum Conversion Rate

No Missing Codes

Effective Number of Bits, ENOB

Signal to Noise and Distortion Ratio, SINAD

= R-----M-----S------NR----oM---i--sS---e---S--+--i-g--D--n--i-as---lt--o---r--t--i-o----n-

fIN = 1MHz

Signal to Noise Ratio, SNR

= R-R----M-M----S-S-----SN----i-og---in-s---ae---l

fIN = 10MHz

TYP

0.5

±0.2

7.5

MAX

±1.0

+10

UNITS

Bits

LSB

MSPS

Bits

Total Harmonic Distortion, THD

2nd Harmonic Distortion

3rd Harmonic Distortion

Spurious Free Dynamic Range, SFDR

Intermodulation Distortion, IMD

I/Q Channel Crosstalk

I/Q Channel Offset Match

I/Q Channel Full Scale Error Match

Transient Response

Over-Voltage Recovery

ANALOG INPUT

Maximum Peak-to-Peak Single-Ended

Analog Input Range

Analog Input Resistance, RINA or RINB

Analog Input Capacitance, CINA or CINB

fIN = 10MHz

f1 = 1MHz, f2 = 1.02MHz

(Note 2)

0.2V Overdrive (Note 2)

VINA, VINB = VREF, DC

VINA, VINB = 1.5V, DC

- -53 -

dBc

- -54 -

dBc

- -70 -

dBc

- 54 - dBc

- - - dBc

- - - LSB

- - - Cycle

- 1.0 -

---

MΩ

3-5

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ISL5640 Datasheet PDF - Intersil Corporation

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