ADCMP604BKSZ-R21 AD [Analog Devices], ADCMP604BKSZ-R21 Datasheet

ADCMP604BKSZ-R21

Manufacturer Part Number

ADCMP604BKSZ-R21

Description

Rail-to-Rail, Very Fast, 2.5 V to 5.5 V, Single-Supply LVDS Comparators

Manufacturer

AD [Analog Devices]

Datasheet

1.ADCMP604BKSZ-R21.pdf (16 pages)

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FEATURES

Fully specified rail to rail at V

Input common-mode voltage from −0.2 V to V

Low glitch LVDS-compatible output stage

1.6 ns propagation delay

37 mW at 2.5 V

Shutdown pin

Single-pin control for programmable hysteresis and latch

Power supply rejection > 60 dB

−40°C to +125°C operation

APPLICATIONS

High speed instrumentation

Clock and data signal restoration

Logic level shifting or translation

Pulse spectroscopy

High speed line receivers

Threshold detection

Peak and zero-crossing detectors

High speed trigger circuitry

Pulse-width modulators

Current-/voltage-controlled oscillators

Automatic test equipment (ATE)

GENERAL DESCRIPTION

The ADCMP604 and ADCMP605 are very fast comparators

fabricated on Analog Devices, Inc. ’ s, proprietary XFCB2

process. This family of comparators is exceptionally versatile

and easy to use. Features include an input range from V

V to V

and TTL/CMOS latch inputs with adjustable hysteresis and/or

shutdown inputs.

The devices offer 1.5 ns propagation delays with 1 ps rms

random jitter (RJ). Overdrive and slew rate dispersion are

typically less than 50 ps.

A flexible power supply scheme allows the devices to operate

with a single +2.5 V positive supply and a −0.5 V to +3.0 V

input signal range up to a +5.5 V positive supply with a −0.5 V

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

+ 0.2 V, low noise, LVDS-compatible output drivers,

= 2.5 V to 5.5 V

+ 0.2 V

− 0.5

Rail-to-Rail, Very Fast, 2.5 V to 5.5 V,

Single-Supply LVDS Comparators

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

to +6 V input signal range. Split input/output supplies, with no

sequencing restrictions on the ADCMP605, support a wide

input signal range with greatly reduced power consumption.

The LVDS-compatible output stage is designed to drive any

standard LVDS input. The comparator input stage offers robust

protection against large input overdrive, and the outputs do not

phase reverse when the valid input signal range is exceeded.

High speed latch and programmable hysteresis features are also

provided in a unique single-pin control option.

The ADCMP604 is available in a 6-lead SC70 package. The

ADCMP605 is available in a 12-lead LFCSP.

NONINVERTING

INVERTING

INPUT

FUNCTIONAL BLOCK DIAGRAM

ADCMP604/ADCMP605

ADCMP604/

ADCMP605

Figure 1.

CCI

LE/HYS INPUT

(ADCMP605 ONLY)

INPUT

LVDS

CCO

(ADCMP605

ONLY)

www.analog.com

Q OUTPUT

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ADCMP604BKSZ-R21 Summary of contents

Page 1

FEATURES Fully specified rail to rail 2 5 Input common-mode voltage from −0 Low glitch LVDS-compatible output stage 1.6 ns propagation delay 2.5 V Shutdown pin Single-pin ...

ADCMP604/ADCMP605 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Characteristics............................................................. 3 Timing Information ......................................................................... 5 Absolute Maximum Ratings............................................................ 6 Thermal Resistance ...................................................................... 6 Pin ...

Page 3

SPECIFICATIONS ELECTRICAL CHARACTERISTICS 3 25°C, unless otherwise noted. CCI CCO A Table 1. Parameter DC INPUT CHARACTERISTICS Voltage Range Common-Mode Range Differential Voltage Offset Voltage Bias Current Offset Current Capacitance Resistance, Differential Mode ...

Page 4

ADCMP604/ADCMP605 Parameter 1 AC PERFORMANCE Rise Time /Fall time Propagation Delay Propagation Delay Skew—Rising to Falling Transition Propagation Delay Skew— Overdrive Dispersion Common-Mode Dispersion Input Bandwidth Minimum Pulse Width POWER SUPPLY Input Supply Voltage Range Output Supply Voltage ...

Page 5

TIMING INFORMATION Figure 2 illustrates the ADCMP604/ADCMP605 latch timing relationships. Table 2 provides definitions of the terms shown in Figure 2. LATCH ENABLE DIFFERENTIAL INPUT VOLTAGE Q OUTPUT Q OUTPUT Table 2. Timing Descriptions Symbol Timing Description t Input to ...

Page 6

ADCMP604/ADCMP605 ABSOLUTE MAXIMUM RATINGS Table 3. Parameter Supply Voltages Input Supply Voltage (V to GND) CCI Output Supply Voltage (V to GND) CCO Positive Supply Differential (V − CCI CCO Input Voltages Input Voltage Differential Input Voltage Maximum ...

Page 7

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS ADCMP604 V 2 TOP VIEW 5 EE (Not to Scale Figure 3. ADCMP604 Pin Configuration Table 5. ADCMP604 (SC70-6) Pin Function Descriptions Pin No. Mnemonic Description 1 Q ...

Page 8

ADCMP604/ADCMP605 TYPICAL PERFORMANCE CHARACTERISTICS 2 25°C, unless otherwise noted. CCI CCO A 800 600 400 V = 2.5V CC 200 0 –200 –400 –600 –800 – LE/HYS PIN (V) ...

Page 9

HYS PIN CURRENT (µA) Figure 11. Hysteresis vs. Pin Current 3.5 3.0 2.5 2.0 PROPAGATION DELAY 1.5 1 ...

Page 10

ADCMP604/ADCMP605 APPLICATION INFORMATION POWER/GROUND LAYOUT AND BYPASSING The ADCMP604/ADCMP605 comparators are very high speed devices. Despite the low noise output stage essential to use proper high speed design techniques to achieve the specified performance. Because comparators are uncompensated ...

Page 11

The ADCMP604 and ADCMP605 dispersion is typically < 1 the overdrive varies from 125 mV. This specification applies to both positive and negative signals because each the ADCMP604 and ADCMP605 have substantially equal delays for ...

Page 12

ADCMP604/ADCMP605 250 200 150 100 100 150 200 250 300 HYSTERESIS RESISTOR (kΩ) Figure 20. Hysteresis vs. R Control Resistor HYS CROSSOVER BIAS POINTS Rail-to-rail inputs of this type, ...

Page 13

TYPICAL APPLICATION CIRCUITS 2. 0.1µF INPUT 2kΩ ADCMP604 2kΩ 0.1µF Figure 21. Self-Biased, 50% Slicer 2.5V TO 3.3V ADCMP604 LVDS 100Ω Figure 22. LVDS to Repeater 2. ADCMP605 DIGITAL 74VHC INPUT 1G07 150kΩ CONTROL VOLTAGE 0V ...

Page 14

... Figure 27. 6-Lead Thin Shrink Small Outline Transistor Package (SC70) (KS-6) Dimensions shown in millimeters ORDERING GUIDE Temperature Model Range 1 ADCMP604BKSZ-R2 −40°C to +125°C 1 ADCMP604BKSZ-REEL7 −40°C to +125°C 1 ADCMP604BKSZ-RL −40°C to +125°C 1 ADCMP605BCPZ-WP −40°C to +125°C 1 ADCMP605BCPZ-R2 −40°C to +125°C 1 ADCMP605BCPZ-R7 −40°C to +125°C 1 EVAL-ADCMP605BCPZ Pb-free part ...

Page 15

NOTES Rev Page ADCMP604/ADCMP605 ...

Page 16

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