My Inquiry
My Account
Analog Devices Inc. ADA4830-1BCPZ-R2
- Part No.:
- ADA4830-1BCPZ-R2
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-WFDFN Exposed Pad, CSP
- Datasheet:
-
ADA4830-1BCPZ-R2.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:250
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADA4830-1BCPZ-R2 from Analog Devices is a single-channel, high-speed difference amplifier with integrated short-to-battery input overvoltage protection up to 18 V, −3 dB bandwidth of 84 MHz (at 0.1 Vp-p, 1 kΩ), 250 V/µs slew rate, and 0.50 V/V fixed gain optimized for CVBS video signal conditioning in automotive rearview camera interfaces.
For engineers reviewing the ADA4830-1BCPZ-R2 datasheet, ADA4830-1BCPZ-R2 pinout, ADA4830-1BCPZ-R2 application, or ADA4830-1BCPZ-R2 equivalent, key selection criteria include input common-mode range (−10 V to +9.5 V on 5 V supply), STB fault-flag logic behavior, rail-to-rail output swing into 150 Ω, and automotive-grade thermal specification (−40°C to +125°C).
Technical Context
The ADA4830-1BCPZ-R2 implements a precision resistive difference amplifier topology with four matched on-chip resistors, delivering fixed 0.50 V/V differential-to-single-ended gain. Its core amplifier uses a 0.35 µm CMOS process and supports true single-supply operation with input extending 8.5 V below and 8.5 V above ground on 5 V supply.
Short-to-battery protection operates independently of enable state and supply presence, using fast-switching clamping circuitry to hold internal nodes at safe voltage levels during 18 V input faults. The open-drain STB pin asserts low when input exceeds 10.3 V (typ) and requires external pull-up; ENA pin enables/disables amplifier with TTL-compatible thresholds (VIH ≥ 3.0 V, VIL ≤ 1.0 V on 5 V supply).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3 dB Bandwidth | 84 MHz at 0.1 Vp-p, 1 kΩ load - ensures full NTSC/PAL video baseband preservation without attenuation |
| Slew Rate | 250 V/µs (2 V step) - supports fast transient response for composite sync pulses and edge integrity |
| Input Common-Mode Range | −10 V to +9.5 V on 5 V supply - enables direct connection to ungrounded remote cameras without AC coupling |
| Gain Accuracy | 0.49–0.51 V/V - maintains decoder-compatible 1 Vp-p output swing with <0.1% gain error |
| STB Trigger Threshold | 10.3 V (typ), 9.8–10.8 V (min–max) - provides robust fault detection margin above 12 V battery transients |
| Quiescent Current | 6.8 mA per channel at 5 V - enables low-power always-on video receiver operation |
| Operating Temperature | −40°C to +125°C - qualified for under-hood and cabin-mounted automotive vision systems |
Pinout & Package
ADA4830-1BCPZ-R2 is housed in a thermally enhanced 8-lead 3 mm × 3 mm LFCSP package with exposed paddle (EPAD) that must be soldered to PCB copper for thermal management. Pin 1 is VREF; pins 2 and 3 are INP and INN; pin 4 is GND; pin 5 is open-drain STB; pin 6 is VOUT; pin 7 is ENA; pin 8 is +VS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VREF (Pin 1) | Voltage reference input | Sets DC output bias; internally biased to +VS/2 when floating; 1 V/V gain from VREF to VOUT |
| INP (Pin 2) | Positive differential input | Accepts video signal source; protected to ±20 V input range with short-to-battery clamping |
| INN (Pin 3) | Negative differential input | Completes differential pair; matched impedance (6.7 kΩ diff, 2 kΩ common-mode) with INP |
| GND (Pin 4) | Power ground reference | Return path for supply current and output load; connects to EPAD for thermal conduction |
| STB (Pin 5) | Open-drain fault flag output | Drives low during input overvoltage (>10.3 V); requires external pull-up resistor to +VS |
| VOUT (Pin 6) | Amplifier output | Delivers 0.5× attenuated differential signal; swings 0.01–4.75 V into 150 Ω load |
| ENA (Pin 7) | Enable/disable control input | High (≥3.0 V) enables amplifier; low (≤1.0 V) disables, reducing IQ to 90 µA |
| +VS (Pin 8) | Positive supply rail | Accepts 2.9–5.5 V; requires 0.1 µF ceramic bypass capacitor to GND for stability |
Key Features
| Feature | Design Value |
|---|---|
| Input short-to-battery protection | Withstands 18 V continuous input faults without damage or latch-up, enabling direct camera cable connection |
| STB diagnostic flag | Provides real-time wire-integrity feedback via open-drain output, simplifying ECU-level fault logging |
| DC-coupled wide common-mode range | Accepts inputs from −10 V to +9.5 V on 5 V supply, eliminating need for large series coupling capacitors |
| Automotive temperature qualification | Specified across −40°C to +125°C ambient, meeting AEC-Q100 stress test requirements for vision systems |
| Low-distortion video performance | 0.1% differential gain / 0.1° differential phase error preserves color fidelity in NTSC CVBS signals |
Applications
| Automotive Rearview Camera Interface | Automotive Blind Spot Monitor |
|---|---|
Use Scenario: Direct connection between analog CVBS output of rearview camera module and SoC video decoder input in parking assist system. IC Role / Device Role / Timing Role: Difference amplifier with input overvoltage protection and fixed 0.5× gain, rejecting common-mode noise from long coaxial cable runs. Use Value: Eliminates external protection diodes and coupling capacitors, reducing BOM count by 4 components while maintaining 28 MHz 0.1 dB flatness for sharp image edges. | Use Scenario: Signal conditioning of differential video feed from side-mirror camera in blind spot detection ECU. IC Role / Device Role / Timing Role: High-speed receiver with STB fault flag, monitoring cable integrity during vehicle startup and motion events. Use Value: Enables real-time diagnostics of open/short circuits in camera harness via STB pin, improving ASIL-B functional safety compliance without added microcontroller overhead. |
| Automotive Infotainment Display Input | Industrial Vehicle Vision System |
Use Scenario: CVBS signal routing from backup camera to head unit display processor in premium infotainment platform. IC Role / Device Role / Timing Role: Video amplifier with rail-to-rail output swing and 73 dB SNR, driving 150 Ω terminated decoder input. Use Value: Delivers 1 Vp-p output compatible with decoder ADC range while suppressing common-mode interference from infotainment power rails. | Use Scenario: Analog video interface in off-road construction vehicle camera system operating in extreme ambient temperatures. IC Role / Device Role / Timing Role: Robust difference amplifier qualified for −40°C to +125°C, handling vibration-induced cable transients and ESD events. Use Value: Maintains 64 MHz minimum −3 dB bandwidth across full temperature range, ensuring consistent video latency and resolution in harsh environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed difference amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4830-1WBCPZ-R7 | Automotive-grade variant with identical electrical specs; qualified per AEC-Q100 Grade 1 (−40°C to +125°C) and enhanced reliability screening | Required for new automotive designs requiring formal automotive qualification; same pinout and footprint | Select ADA4830-1WBCPZ-R7 when AEC-Q100 documentation and PPAP support are mandatory for OEM Tier-1 supply chain |
| THS4531IDR | Fixed 1 V/V gain, no integrated short-to-battery protection, 1.5 GHz GBW, higher quiescent current (11.5 mA), no STB flag | Suitable for non-automotive industrial video where external protection is acceptable and higher bandwidth is needed | Choose THS4531IDR only if gain flexibility and bandwidth >100 MHz outweigh need for integrated fault protection and automotive qualification |
Compared with ADA4830-1WBCPZ-R7, the ADA4830-1BCPZ-R2 lacks formal AEC-Q100 certification but shares identical electrical performance and pinout; versus THS4531IDR, it trades bandwidth and gain programmability for built-in 18 V input protection and diagnostic flag-critical for automotive camera front-end resilience.
Availability
ADA4830-1BCPZ-R2 is available at Aetrix Electronics and suitable for automotive vision systems, infotainment display interfaces, and industrial vehicle camera modules requiring stable component supply, extended temperature operation, and integrated overvoltage diagnostics.
Supply support for ADA4830-1BCPZ-R2 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.
The ADA4830 family was designed specifically for automotive video signal reception-integrating short-to-battery protection, precise 0.5× gain, and diagnostic flag functionality to simplify rearview and surround-view camera interface design.
FAQ
What is the function of the STB pin on the ADA4830-1BCPZ-R2?
The STB (Short-to-Battery) pin on the ADA4830-1BCPZ-R2 is an open-drain logic output that asserts low when either input exceeds 10.3 V (typ), signaling an overvoltage fault condition. It requires an external pull-up resistor to +VS and remains functional even when the device is disabled or unpowered, enabling robust wire-diagnostic capability in automotive camera systems using ADA4830-1BCPZ-R2.
Can the ADA4830-1BCPZ-R2 operate from a 3.3 V supply?
Yes, the ADA4830-1BCPZ-R2 operates from 2.9 V to 5.5 V. At 3.3 V, it delivers 73 MHz −3 dB bandwidth (0.5 Vp-p, 150 Ω), 165 V/µs slew rate, and maintains full input common-mode range (−8 V to +6 V) and STB flag functionality. Quiescent current drops to 5.5 mA, making ADA4830-1BCPZ-R2 suitable for dual-supply or low-voltage automotive subsystems.
Does the ADA4830-1BCPZ-R2 require external gain-setting resistors?
No, the ADA4830-1BCPZ-R2 integrates four precision-matched on-chip resistors to implement a fixed 0.50 V/V differential-to-single-ended gain. This eliminates external resistor networks, reduces layout sensitivity, and ensures consistent gain accuracy (±1%) across temperature and voltage-key for reliable CVBS signal conditioning in ADA4830-1BCPZ-R2-based camera receivers.
How does the ADA4830-1BCPZ-R2 handle input overvoltage conditions?
The ADA4830-1BCPZ-R2 employs passive clamping circuitry that activates during input overvoltage (e.g., 18 V short-to-battery), limiting internal node voltages and current flow without relying on supply presence or enable state. Protection operates continuously, preserving functionality and preventing latch-up-enabling direct connection of ADA4830-1BCPZ-R2 to unregulated camera cables in automotive environments.
What is the purpose of the VREF pin on the ADA4830-1BCPZ-R2?
The VREF pin on the ADA4830-1BCPZ-R2 sets the DC output bias voltage with 1 V/V gain from VREF to VOUT. When left floating, it defaults to +VS/2; externally driven, it allows precise level-shifting of the 0.5× attenuated video signal to match downstream decoder input requirements-ensuring optimal dynamic range utilization in ADA4830-1BCPZ-R2 video receiver designs.
ADA4830-1BCPZ-R2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-WFDFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Differential
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 250V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 84 MHz
- Current - Input Bias:
- -
- Voltage - Input Offset:
- -
- Current - Supply:
- 6.8mA
- Current - Output / Channel:
- 125 mA
- Voltage - Supply Span (Min):
- 2.9 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-LFCSP-WD (3x3)
ADA4830-1BCPZ-R2 FAQ
1.How can I place an order for ADA4830-1BCPZ-R2 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4830-1BCPZ-R2 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 ADA4830-1BCPZ-R2 reliable?
The price and inventory of ADA4830-1BCPZ-R2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4830-1BCPZ-R2 is usually 5 days.
3.What payment methods are accepted for ADA4830-1BCPZ-R2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4830-1BCPZ-R2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4830-1BCPZ-R2?
ADA4830-1BCPZ-R2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4830-1BCPZ-R2 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 ADA4830-1BCPZ-R2?
For technical support, including ADA4830-1BCPZ-R2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4830-1BCPZ-R2 requirements.
6.How does Aetrix verify that ADA4830-1BCPZ-R2 is sourced from the original manufacturer or authorized distributors?
All ADA4830-1BCPZ-R2 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 ADA4830-1BCPZ-R2 meets industry standards.
7.What is the process for return or replacement of ADA4830-1BCPZ-R2?
All ADA4830-1BCPZ-R2 units undergo pre-shipment inspection (PSI). If there is an issue with ADA4830-1BCPZ-R2, 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 ADA4830-1BCPZ-R2 part is unused and in its original packaging.
Return procedure for ADA4830-1BCPZ-R2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADA4830-1BCPZ-R2 Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
