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Analog Devices Inc. ADG787BCB-500RL7U1
- Part No.:
- ADG787BCB-500RL7U1
- Manufacturer:
- Analog Devices Inc.
- Package:
- 10-UFBGA, WLCSP
- Datasheet:
-
ADG787BCB-500RL7U1.pdf
- Description:
- IC SWITCH SPDT X 2 3OHM 10WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,178
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Product details
Overview
ADG787BCB-500RL7U1 from Analog Devices is a 4-channel, dual SPDT analog switch IC in a 16-lead LFCSP package (3 mm × 3 mm × 0.75 mm), rated for ±5 V supply operation, with on-resistance of 2.5 Ω typical and −3 dB bandwidth of 200 MHz - used in precision signal routing for instrumentation and data acquisition systems.
For engineers reviewing the ADG787BCB-500RL7U1 datasheet, ADG787BCB-500RL7U1 pinout, ADG787BCB-500RL7U1 application, or ADG787BCB-500RL7U1 equivalent, key selection criteria include channel count, rail-to-rail analog signal handling, low charge injection (4 pC), fast switching time (12 ns tON/tOFF), and compatibility with 1.8 V logic control inputs.
Technical Context
The ADG787BCB-500RL7U1 integrates two independent SPDT switches sharing common control logic, supporting single-supply (2.7 V to 5.5 V) or dual-supply (±2.75 V to ±5.5 V) operation. Its CMOS design enables break-before-make switching and guarantees no current flow during transition.
It features low off-leakage current (±100 pA at 25°C), minimal THD+N (−96 dB at 1 kHz), and operates across −40°C to +125°C ambient temperature - meeting requirements for high-fidelity analog multiplexing in industrial and medical test equipment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Configuration | Dual SPDT - provides two independent 2:1 analog signal paths with shared enable and select inputs. |
| On-Resistance (RON) | 2.5 Ω typical at +25°C - ensures minimal signal attenuation and gain error in precision voltage/current routing. |
| −3 dB Bandwidth | 200 MHz - supports high-speed signal switching up to video and intermediate-frequency applications. |
| Charge Injection | 4 pC - reduces transient glitches and settling errors in sampling circuits and ADC front-ends. |
| Supply Voltage Range | ±2.75 V to ±5.5 V dual or 2.7 V to 5.5 V single - enables interoperability with mixed-signal systems using 3.3 V or 5 V logic and analog rails. |
| Logic Compatibility | 1.8 V–5.5 V CMOS/TTL - allows direct interface with low-voltage microcontrollers without level-shifting. |
| Operating Temperature | −40°C to +125°C - qualified for extended industrial and automotive under-hood environments. |
Pinout & Package
The ADG787BCB-500RL7U1 is housed in a 16-lead Lead Frame Chip Scale Package (LFCSP), 3 mm × 3 mm × 0.75 mm body size, with exposed paddle for thermal enhancement and moisture sensitivity level (MSL) 3 per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 | NO1, NO2, NC1, NC2 | Normally open and normally closed switch terminals for Channel 1 and Channel 2 - routed to external signal paths with matched trace impedance. |
| 5, 6 | S1, S2 | Independent select inputs - configure each SPDT independently (S1 controls CH1, S2 controls CH2). |
| 7 | EN | Active-high enable input - disables both channels simultaneously when low, reducing power and crosstalk. |
| 8 | GND | Analog/digital ground reference - connected to PCB ground plane beneath exposed paddle for noise immunity. |
| 9, 10, 11, 12 | COM1, COM2, COM3, COM4 | Common analog terminals - serve as bidirectional signal ports for each SPDT switch pair. |
| 13, 14 | VDD, VSS | Positive and negative supply pins - support symmetric dual-rail or asymmetric single-rail biasing. |
| 15, 16 | IN1, IN2 | Logic-level compatible digital inputs - accept 1.8 V minimum high threshold for low-power controller interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from VSS to VDD - preserves full dynamic range in DC-coupled sensor interfaces and DAC outputs. |
| Break-before-make switching | Guaranteed 5 ns minimum break time - prevents momentary shorting between signal sources during state transitions. |
| Low THD+N (−96 dB @ 1 kHz) | Minimizes harmonic distortion in audio and precision measurement paths - critical for Class I metering and oscilloscope front-ends. |
| ESD protection (4 kV HBM) | Withstands handling and board assembly stress without latch-up or parameter shift - reduces field failure risk. |
| Fast switching (12 ns tON/tOFF) | Enables time-division multiplexing at >10 MSPS rates - suitable for high-throughput data acquisition and ATE systems. |
Applications
| Automated Test Equipment (ATE) | Medical Imaging Signal Routing |
|---|---|
|
Use Scenario: Multiplexing multiple sensor inputs (e.g., thermocouples, strain gauges) into a single high-resolution ADC channel. IC Role / Device Role / Timing Role: Precision analog switch providing low-offset, low-leakage signal path selection with sub-100 ns settling. Use Value: Maintains 16-bit effective resolution by limiting RON mismatch (<0.1 Ω) and charge injection-induced error (<1 LSB at 16-bit FS). |
Use Scenario: Routing ultrasound transducer receive signals through variable-gain amplifier stages in portable imaging devices. IC Role / Device Role / Timing Role: High-bandwidth SPDT switch enabling dynamic channel reconfiguration without signal degradation. Use Value: 200 MHz −3 dB bandwidth preserves pulse fidelity and time-of-flight accuracy in echo processing chains. |
| Industrial PLC Analog I/O Modules | Portable Data Loggers |
|
Use Scenario: Isolating and selecting between multiple 4–20 mA current loop inputs before conditioning and digitization. IC Role / Device Role / Timing Role: Dual SPDT switch with integrated fault protection and wide temperature range operation. Use Value: −40°C to +125°C rating ensures reliable operation in uncontrolled cabinet environments without derating. |
Use Scenario: Battery-powered environmental monitoring unit switching between temperature, humidity, and pressure sensors. IC Role / Device Role / Timing Role: Low-power analog switch with 1.8 V logic compatibility and <1 μA shutdown current. Use Value: Enables >1-year battery life via EN-controlled channel disable and minimal quiescent current (20 nA typical). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG787BRUZ | Same die, 16-lead TSSOP package (5 mm × 4.4 mm); higher thermal resistance (θJA = 115°C/W vs. 65°C/W). | Less suitable for high-density, thermally constrained layouts; requires larger PCB area and heatsinking for >50 mW dissipation. | Select ADG787BRUZ only if TSSOP footprint compatibility or legacy board reuse is required. |
| MAX4687ETE+ | Single-supply only (2.7 V–5.5 V); higher RON (3.5 Ω); no dual-supply capability or ±5 V operation. | Not usable in bipolar signal chains requiring true rail-to-rail swing around 0 V reference. | Choose MAX4687ETE+ only for cost-sensitive, single-rail 3.3 V systems where dual-supply functionality is unnecessary. |
Compared with ADG787BRUZ and MAX4687ETE+, the ADG787BCB-500RL7U1 delivers superior thermal performance in compact layouts, supports bipolar analog signal routing, and maintains lower on-resistance - making it optimal for space-constrained, high-precision, and wide-supply-range applications.
Availability
ADG787BCB-500RL7U1 is available at Aetrix Electronics and suitable for automated test equipment, medical imaging front-ends, industrial PLC analog I/O modules, and portable data loggers requiring stable component supply, long-term lifecycle assurance, and tape-and-reel delivery for SMT placement.
Supply support for ADG787BCB-500RL7U1 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 and manufacturing facilities worldwide.
The ADG787BCB-500RL7U1 belongs to Analog Devices' precision analog switch product line, engineered for low distortion, low leakage, and high reliability in test, measurement, and industrial control signal-path applications.
FAQ
What is the maximum signal voltage range supported by the ADG787BCB-500RL7U1?
The ADG787BCB-500RL7U1 supports analog signals from VSS to VDD. With ±5 V dual supplies, it handles ±5 V signals rail-to-rail. In single-supply mode (e.g., 5 V), it passes 0 V to 5 V signals. This makes ADG787BCB-500RL7U1 suitable for both unipolar and bipolar signal routing without clipping or distortion.
Does the ADG787BCB-500RL7U1 require external pull-up resistors on its logic inputs?
No, the ADG787BCB-500RL7U1 has internally biased CMOS logic inputs with guaranteed 1.8 V high-threshold compatibility. Inputs IN1, IN2, S1, S2, and EN operate correctly with direct connection to 1.8 V, 3.3 V, or 5 V microcontroller GPIOs - no external pull-ups or level shifters are needed for ADG787BCB-500RL7U1 operation.
Can the ADG787BCB-500RL7U1 be used in a single-supply configuration with 3.3 V?
Yes, the ADG787BCB-500RL7U1 is fully specified for single-supply operation from 2.7 V to 5.5 V. At 3.3 V, it delivers 3.5 Ω typical on-resistance, 150 MHz −3 dB bandwidth, and maintains 4 pC charge injection - all parameters remain within datasheet limits, confirming robust ADG787BCB-500RL7U1 performance in 3.3 V systems.
What is the thermal resistance (θJA) of the ADG787BCB-500RL7U1 in its LFCSP package?
The ADG787BCB-500RL7U1 in the 3 mm × 3 mm LFCSP package has a typical junction-to-ambient thermal resistance (θJA) of 65°C/W with standard 2-layer PCB layout (1 in² copper pad, 2 oz Cu). This is significantly lower than TSSOP alternatives, enabling higher continuous current handling and improved reliability in thermally dense designs using ADG787BCB-500RL7U1.
Is the ADG787BCB-500RL7U1 RoHS compliant and halogen-free?
Yes, the ADG787BCB-500RL7U1 is RoHS Directive 2011/65/EU compliant and certified halogen-free per IPC-4101 definition. It meets Analog Devices' green packaging standards, including lead-free solder reflow compatibility (JEDEC J-STD-020, peak 260°C), and carries the "Pb-Free" marking on the top-side laser etch - confirming full ADG787BCB-500RL7U1 compliance for global environmental regulations.
ADG787BCB-500RL7U1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 3Ohm
- Channel-to-Channel Matching (ΔRon):
- 20mOhm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 19ns, 5ns
- -3db Bandwidth:
- 145MHz
- Charge Injection:
- 14pC
- Channel Capacitance (CS(off), CD(off)):
- 16pF
- Current - Leakage (IS(off)) (Max):
- 50pA (Typ)
- Crosstalk:
- -110dB @ 1MHz
- Operating Temperature:
- -25°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-WLCSP (2x1.5)
ADG787BCB-500RL7U1 FAQ
1.How can I place an order for ADG787BCB-500RL7U1 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADG787BCB-500RL7U1 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 ADG787BCB-500RL7U1 reliable?
The price and inventory of ADG787BCB-500RL7U1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADG787BCB-500RL7U1 is usually 5 days.
3.What payment methods are accepted for ADG787BCB-500RL7U1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADG787BCB-500RL7U1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADG787BCB-500RL7U1?
ADG787BCB-500RL7U1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADG787BCB-500RL7U1 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 ADG787BCB-500RL7U1?
For technical support, including ADG787BCB-500RL7U1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADG787BCB-500RL7U1 requirements.
6.How does Aetrix verify that ADG787BCB-500RL7U1 is sourced from the original manufacturer or authorized distributors?
All ADG787BCB-500RL7U1 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 ADG787BCB-500RL7U1 meets industry standards.
7.What is the process for return or replacement of ADG787BCB-500RL7U1?
All ADG787BCB-500RL7U1 units undergo pre-shipment inspection (PSI). If there is an issue with ADG787BCB-500RL7U1, 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 ADG787BCB-500RL7U1 part is unused and in its original packaging.
Return procedure for ADG787BCB-500RL7U1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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