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Home > Products > Integrated Circuits (ICs) > Linear > Comparators

Analog Devices Inc. ADCMP605BCPZ-R7

Name: ADCMP605BCPZ-R7
Brand: Analog Devices Inc.
SKU: ADCMP605BCPZ-R7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ADCMP605BCPZ-R7

Manufacturer:: Analog Devices Inc.

Category:: Comparators

Package:: 12-WFQFN Exposed Pad, CSP

Datasheet:: ADCMP605BCPZ-R7.pdf

Description:: IC COMPARATOR 1 W/LATCH 12LFCSP

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Product details

Overview

ADCMP605BCPZ-R7 from Analog Devices is a rail-to-rail, single-supply LVDS comparator with 1.6 ns propagation delay, 1.25 V programmable hysteresis bias, and independent 2.5 V–5.5 V input (VCCI) and 2.5 V–5.0 V output (VCCO) supplies-designed for high-speed clock/data restoration in ATE and pulse spectroscopy systems.

For engineers reviewing the ADCMP605BCPZ-R7 datasheet, ADCMP605BCPZ-R7 pinout, ADCMP605BCPZ-R7 application, or ADCMP605BCPZ-R7 equivalent, key selection criteria include its dual-supply LVDS output stage, LE/HYS pin-controlled hysteresis/latch, shutdown capability, <1.6 ns overdrive dispersion, and operation across −40°C to +125°C industrial temperature range.

Technical Context

The ADCMP605BCPZ-R7 implements a proprietary XFCB2 process-based front-end with dual-input-stage crossover architecture enabling rail-to-rail common-mode range (−0.2 V to VCCI + 0.2 V) and robust overdrive tolerance without phase reversal. Its LVDS output stage delivers 245–445 mV differential swing into 100 Ω with 1.125–1.375 V common-mode voltage.

It integrates a single-pin LE/HYS terminal supporting either TTL/CMOS latch mode (VIH ≥ 2.0 V, VIL ≤ +0.4 V) or resistor-biased hysteresis (1.145–1.40 V bias, 30–110 kΩ RHYS for 120 mV hysteresis), while SDN enables sub-25 ns wake-up from shutdown with 0.92 mA ICCI sleep current.

Key Specifications

Parameter	Value and Actual Design Meaning
Propagation Delay	1.6 ns at VOD = 50 mV - enables sub-2 ns timing-critical decision windows in data recovery paths.
Input Common-Mode Range	−0.2 V to VCCI + 0.2 V - supports direct interfacing to rail-to-rail sensors and DACs without level-shifting.
Differential Output Swing	245–445 mV into 100 Ω - meets LVDS standard compliance for driving backplane or FPGA inputs.
Hysteresis Control	1.25 V nominal bias on LE/HYS pin - allows precise, stable hysteresis tuning via external resistor (30–500 kΩ).
Shutdown Wake-Up Time	25 ns - permits rapid power cycling in burst-mode instrumentation without timing penalty.
Power Supply Rejection	>60 dB - maintains switching threshold stability under noisy supply conditions in mixed-signal PCBs.
Operating Temperature	−40°C to +125°C - qualified for under-hood automotive sensing and industrial control environments.

Pinout & Package

ADCMP605BCPZ-R7 is housed in a 12-lead LFCSP_WQ (CP-12-1) package with exposed thermal pad connected to VEE. Pin pitch is 0.5 mm; body size is 2 mm × 2 mm × 0.85 mm. The EPAD must be soldered to VEE for optimal thermal performance (θJA = 62°C/W).

Pin/Terminal	Circuit Role	Design Meaning
1 (VCCO)	Output section supply	Independent 2.5 V–5.0 V rail powers LVDS output stage; decoupling required within 2 mm of pin.
2 (VCCI)	Input section supply	2.5 V–5.5 V rail powers comparator core; enables split-supply operation with no sequencing constraints.
3,5,9,11 (VEE)	Negative supply / ground reference	Four dedicated VEE pins reduce ground inductance; EPAD electrically tied to VEE for thermal conduction.
4 (VP)	Noninverting analog input	Rail-to-rail capable (−0.2 V to VCCI + 0.2 V); 1 pF input capacitance minimizes high-frequency loading.
6 (VN)	Inverting analog input	Matches VP characteristics; differential input resistance >200 kΩ ensures minimal signal attenuation.
7 (SDN)	Shutdown control	Active-low; VIL ≤ +0.4 V guarantees shutdown; tSD = 1.4 ns ensures fast disable of output stage.
8 (LE/HYS)	Latch enable / hysteresis control	Single-pin dual function: drives low for latch mode; biased at 1.25 V for hysteresis; 70 kΩ series impedance.
10 (Q)	Inverting LVDS output	LVDS-compatible complementary output; requires 100 Ω termination to VCCI/2 or VCCO/2.
12 (Q)	Noninverting LVDS output	Paired with Q for true differential signaling; matches tR/tF (600 ps) and skew (<70 ps) for jitter-sensitive links.

Key Features

Feature	Design Value
Rail-to-rail input stage	Supports −0.2 V to VCCI + 0.2 V common-mode range - eliminates need for external biasing networks in DC-coupled interfaces.
Programmable hysteresis via LE/HYS pin	1.25 V internal bias with ±105 mV tunability using 30–500 kΩ resistor - replaces external feedback resistors and improves layout simplicity.
LVDS-compatible differential outputs	245–445 mV swing into 100 Ω with <70 ps Q/Q skew - ensures clean eye diagrams in 1+ Gbps serial data restoration.
Independent input/output supplies	VCCI (2.5–5.5 V) and VCCO (2.5–5.0 V) with ±3 V differential operating range - enables low-power output stage while maintaining full input dynamic range.
Sub-25 ns wake-up from shutdown	25 ns valid output after SDN deassertion - supports power-gating in battery-operated test equipment without latency penalty.

Applications

High-Speed Clock Restoration	Automated Test Equipment (ATE)
Use Scenario: Recovering degraded clock edges from long PCB traces or cables in high-speed digital test systems. IC Role / Device Role / Timing Role: Comparator acting as a zero-crossing detector with LVDS output to regenerate clean, jitter-minimized clock signals. Use Value: 1.6 ns propagation delay and <1.6 ns overdrive dispersion preserve timing integrity across varying signal amplitudes in multi-GHz test fixtures.	Use Scenario: Threshold detection and pass/fail decision logic in semiconductor wafer sort and board-level functional testers. IC Role / Device Role / Timing Role: High-speed comparator providing sub-nanosecond decision latency for real-time go/no-go evaluation of analog stimulus responses. Use Value: −40°C to +125°C operation and 60 dB PSRR ensure reliable performance in thermally unstable ATE rack environments with noisy power rails.
Pulse Spectroscopy Systems	Logic Level Translation
Use Scenario: Converting fast-rising nuclear detector pulses (e.g., from scintillation photomultipliers) into digital timing markers. IC Role / Device Role / Timing Role: Comparator serving as leading-edge trigger with programmable hysteresis to reject baseline noise while preserving pulse arrival time accuracy. Use Value: 1.25 V LE/HYS bias enables stable 10–160 mV hysteresis tuning - critical for discriminating weak pulses above system noise floor.	Use Scenario: Interfacing 1.8 V FPGA I/O banks to 3.3 V or 5 V legacy peripherals in mixed-voltage embedded systems. IC Role / Device Role / Timing Role: LVDS-output comparator translating voltage thresholds between domains while maintaining signal integrity and timing margins. Use Value: Independent VCCI/VCCO supplies allow 1.8 V input sensing and 3.3 V LVDS output generation - eliminating level-shifter ICs and reducing BOM count.

High-Speed Clock Restoration

Automated Test Equipment (ATE)

Use Scenario: Recovering degraded clock edges from long PCB traces or cables in high-speed digital test systems.

IC Role / Device Role / Timing Role: Comparator acting as a zero-crossing detector with LVDS output to regenerate clean, jitter-minimized clock signals.

Use Value: 1.6 ns propagation delay and <1.6 ns overdrive dispersion preserve timing integrity across varying signal amplitudes in multi-GHz test fixtures.

Use Scenario: Threshold detection and pass/fail decision logic in semiconductor wafer sort and board-level functional testers.

IC Role / Device Role / Timing Role: High-speed comparator providing sub-nanosecond decision latency for real-time go/no-go evaluation of analog stimulus responses.

Use Value: −40°C to +125°C operation and 60 dB PSRR ensure reliable performance in thermally unstable ATE rack environments with noisy power rails.

Pulse Spectroscopy Systems

Logic Level Translation

Use Scenario: Converting fast-rising nuclear detector pulses (e.g., from scintillation photomultipliers) into digital timing markers.

IC Role / Device Role / Timing Role: Comparator serving as leading-edge trigger with programmable hysteresis to reject baseline noise while preserving pulse arrival time accuracy.

Use Value: 1.25 V LE/HYS bias enables stable 10–160 mV hysteresis tuning - critical for discriminating weak pulses above system noise floor.

Use Scenario: Interfacing 1.8 V FPGA I/O banks to 3.3 V or 5 V legacy peripherals in mixed-voltage embedded systems.

IC Role / Device Role / Timing Role: LVDS-output comparator translating voltage thresholds between domains while maintaining signal integrity and timing margins.

Use Value: Independent VCCI/VCCO supplies allow 1.8 V input sensing and 3.3 V LVDS output generation - eliminating level-shifter ICs and reducing BOM count.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed LVDS comparator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ADCMP604BCPZ-R7	6-lead SC70 package; shared VCCI/VCCO pin; no LE/HYS or SDN pins; no latch/hysteresis control.	Suitable only for fixed-threshold, non-shutdown LVDS comparison where space is constrained and features are minimal.	Select ADCMP604BCPZ-R7 only when latch, hysteresis, and shutdown are unnecessary and board area is premium.
TLV3501CDCKR	Single 2.7–5.5 V supply; CMOS output (not LVDS); 4.5 ns propagation delay; no programmable hysteresis pin.	Applicable for lower-speed, cost-sensitive comparators where LVDS drive strength and sub-2 ns timing are not required.	Choose TLV3501CDCKR only for non-LVDS, single-supply applications below 500 Mbps data rates and where hysteresis is implemented externally.

Compared with ADCMP605BCPZ-R7, ADCMP604BCPZ-R7 lacks feature flexibility but saves board area, while TLV3501CDCKR trades speed and interface compatibility for cost and supply simplicity-neither offers pin-compatible replacement due to differing pin count, supply architecture, or output standards.

Availability

ADCMP605BCPZ-R7 is available at Aetrix Electronics and suitable for high-speed clock restoration, automated test equipment (ATE), pulse spectroscopy systems, and logic level translation requiring stable component supply across extended temperature and high-reliability production cycles.

Supply support for ADCMP605BCPZ-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with design centers worldwide and ISO 9001-certified manufacturing.

The ADCMP605BCPZ-R7 belongs to Analog Devices' high-speed comparator product line, engineered specifically for sub-2 ns timing-critical applications including data communications, instrumentation, and nuclear detection systems requiring LVDS output compliance and wide-temperature operation.

FAQ

What is the maximum hysteresis achievable with ADCMP605BCPZ-R7?

The ADCMP605BCPZ-R7 supports up to approximately 160 mV of hysteresis when the LE/HYS pin is biased with an appropriate pull-down resistor or current source. This value is confirmed in the datasheet's Figure 20 and Table for Hysteresis vs. RHYS Control Resistor, where 30 kΩ yields ~120 mV and extrapolation to lower resistance confirms the 160 mV upper limit under specified conditions.

Does ADCMP605BCPZ-R7 support independent input and output supplies?

Yes, ADCMP605BCPZ-R7 explicitly supports independent VCCI (2.5 V–5.5 V) and VCCO (2.5 V–5.0 V) supplies with a ±3 V operating differential (VCCI − VCCO). This architecture enables optimized power partitioning-for example, running the input stage at 5 V for wide dynamic range while powering the LVDS output at 2.5 V to reduce power consumption.

What is the wake-up time from shutdown for ADCMP605BCPZ-R7?

The ADCMP605BCPZ-R7 wake-up time from shutdown is 25 ns, defined as the time from SDN deassertion to valid output transition. This parameter is specified in the Electrical Characteristics table under "Wake-Up Time" (tH) with VOD = 50 mV, ensuring rapid reactivation in burst-mode systems without compromising timing budgets.

Can ADCMP605BCPZ-R7 operate with a single 3.3 V supply?

Yes, ADCMP605BCPZ-R7 can operate with a single 3.3 V supply by connecting both VCCI and VCCO to 3.3 V. The device is fully specified across VCCI = 2.5 V–5.5 V and VCCO = 2.5 V–5.0 V, so 3.3 V falls within both ranges and enables full functionality-including LVDS output drive, hysteresis control, and shutdown-with no derating required.

Is the LE/HYS pin on ADCMP605BCPZ-R7 compatible with standard CMOS logic levels?

Yes, the LE/HYS pin on ADCMP605BCPZ-R7 functions as a TTL/CMOS-compatible latch enable when driven low (VIL ≤ +0.4 V) and disables hysteresis when left floating or pulled above 2.0 V (VIH). Its internal 1.25 V bias and 70 kΩ series resistance allow direct interfacing with 3.3 V or 5 V logic families without level-shifting circuitry.

ADCMP605BCPZ-R7 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Package/Case:: 12-WFQFN Exposed Pad, CSP

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Type:: with Latch

Number of Elements:: 1

Output Type:: Complementary, LVDS, Rail-to-Rail

Voltage - Supply, Single/Dual (±):: 2.5V ~ 5.5V

:: 5mV @ 3V

Voltage - Input Offset (Max):: 5µA @ 3V

Current - Input Bias (Max):: 50mA

Current - Output (Typ):: 3mA

Current - Quiescent (Max):: 50dB CMRR, 50dB PSRR

CMRR, PSRR (Typ):: 3ns

Propagation Delay (Max):: 100µV

Hysteresis:: -40°C ~ 125°C

Operating Temperature:: -

Grade:: -

Qualification:: Surface Mount

:: 12-LFCSP (3x3)

ADCMP605BCPZ-R7 FAQ

1.How can I place an order for ADCMP605BCPZ-R7 through Aetrix?

Please submit a Request for Quotation (RFQ) for ADCMP605BCPZ-R7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ADCMP605BCPZ-R7 reliable?

The price and inventory of ADCMP605BCPZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADCMP605BCPZ-R7 is usually 5 days.

3.What payment methods are accepted for ADCMP605BCPZ-R7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADCMP605BCPZ-R7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADCMP605BCPZ-R7?

ADCMP605BCPZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADCMP605BCPZ-R7 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ADCMP605BCPZ-R7?

For technical support, including ADCMP605BCPZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADCMP605BCPZ-R7 requirements.

6.How does Aetrix verify that ADCMP605BCPZ-R7 is sourced from the original manufacturer or authorized distributors?

All ADCMP605BCPZ-R7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADCMP605BCPZ-R7 meets industry standards.

7.What is the process for return or replacement of ADCMP605BCPZ-R7?

All ADCMP605BCPZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADCMP605BCPZ-R7, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ADCMP605BCPZ-R7 part is unused and in its original packaging.

Return procedure for ADCMP605BCPZ-R7:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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