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Analog Devices Inc. ADA4432-1BCPZ-R2
- Part No.:
- ADA4432-1BCPZ-R2
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 8-WFDFN Exposed Pad, CSP
- Datasheet:
-
ADA4432-1BCPZ-R2.pdf
- Description:
- IC AMP AUTO SYST 8LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,310
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Product details
Overview
ADA4432-1BCPZ-R2 from Analog Devices is a single-ended SD video filter amplifier with integrated short-to-battery (STB) and short-to-ground (STG) protection, −3 dB bandwidth of 10.5 MHz, 0.1 dB flatness to 3.3 MHz, and 43 dB out-of-band rejection at 27 MHz - designed for automotive rearview camera signal conditioning into 150 Ω coaxial cables.
For engineers reviewing the ADA4432-1BCPZ-R2 datasheet, ADA4432-1BCPZ-R2 pinout, ADA4432-1BCPZ-R2 application, or ADA4432-1BCPZ-R2 equivalent, this page delivers verified electrical specs, automotive-grade thermal and fault-protection behavior, real-world video performance metrics (differential gain 0.38%, differential phase 0.69°), and precise pin-level interface guidance for cable-driven video ECUs.
Technical Context
The ADA4432-1BCPZ-R2 implements a fifth-order low-pass filter with fixed 2 V/V (6.1 dB) passband gain optimized for NTSC/PAL baseband video. Its STB protection activates at 7.2 V (typical) on the OUT pin and disconnects output devices within 150 ns when voltage exceeds +VS by >300 mV - enabling robust operation in 12 V automotive battery environments up to 18 V fault voltage.
It features an internal 200 mV output offset to support ground-referenced DAC outputs in single-supply 2.6 V–3.6 V systems, while maintaining 7.6 mA quiescent current (typical) and 13.5 µA power-down current. The STB flag pin provides logic-compatible fault indication (3.3 V VOH, 0.02 mV VOL) independent of ENA state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3 dB Bandwidth | 10.5 MHz (ensures full NTSC/PAL luminance and chrominance fidelity without aliasing) |
| 0.1 dB Flatness | 3.3 MHz (preserves sharp video edges and fine detail in SD resolution) |
| Out-of-Band Rejection | 43 dB at 27 MHz (suppresses second-harmonic interference from clock sources) |
| Differential Gain / Phase | 0.38% / 0.69° (meets stringent PAL/NTSC color fidelity requirements) |
| STB Protection Threshold | 7.2 V (typical), triggers at +VS + ~3.9 V - compatible with 12 V battery transients |
| Quiescent Current | 7.6 mA (typical) at 3.3 V - enables low-power always-on camera ECU designs |
| Operating Temp Range | −40°C to +125°C - qualified per AEC-Q100 Grade 0 for under-hood automotive placement |
Pinout & Package
ADA4432-1BCPZ-R2 is housed in an 8-lead, 3 mm × 3 mm LFCSP package with exposed pad (EPAD) for thermal and grounding integrity. Pin 1 and Pin 5 are NC (no connect); EPAD must be soldered to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No internal connection - must remain unconnected per datasheet |
| 2 | STB | Open-drain logic flag: high = STB fault active; low = normal operation; requires external pull-up |
| 3 | +VS | Positive supply input (2.6–3.6 V); bypass with 0.1 µF ceramic capacitor to GND |
| 4 | OUT | Single-ended video output; drives 150 Ω back-terminated coaxial cable directly |
| 5 | NC | No internal connection - must remain unconnected per datasheet |
| 6 | GND | Power ground reference; connects to solid PCB ground plane and EPAD |
| 7 | ENA | Enable/disable control: float or tie to +VS = enabled; tie to GND = 13.5 µA shutdown mode |
| 8 | IN | Single-ended video input; accepts dc-coupled signals from ground-referenced DACs |
Key Features
| Feature | Design Value |
|---|---|
| Fifth-order low-pass filter | Ensures monotonic roll-off beyond 10 MHz while preserving 3.3 MHz video bandwidth flatness |
| Output short-to-battery protection | Withstands 18 V faults indefinitely without external components - eliminates coupling capacitors |
| STB output flag with 150 ns response | Enables real-time wire diagnostics and fault logging in automotive ECU firmware |
| Internal 200 mV output offset | Permits direct dc-coupling to ground-referenced video DACs without level-shifting circuitry |
| AEC-Q100 Grade 0 qualification | Validated for −40°C to +125°C operation - suitable for front/rear camera modules near engine bay |
Applications
| Automotive Rearview Camera | Video ECU Signal Conditioning |
|---|---|
Use Scenario: Driving 150 Ω coaxial cable from CMOS image sensor ADC to display controller over 3–5 m harness. IC Role / Device Role / Timing Role: Single-ended video reconstruction filter with STB/STG protection and fixed 2× gain. Use Value: Eliminates need for external coupling caps and TVS diodes - reduces BOM count and PCB area by ≥3 components per channel. |
Use Scenario: Integrating analog video output from multiple camera inputs into centralized domain controller with diagnostic capability. IC Role / Device Role / Timing Role: Fault-aware video driver with STB flag used for automated cable continuity checks during boot. Use Value: Enables real-time detection of short-to-battery faults in wiring harnesses - supports ISO 26262 ASIL-B diagnostic coverage. |
| SD Video Surveillance System | Automotive Parking Assist Module |
Use Scenario: Transmitting composite NTSC video from analog security camera over long coaxial runs in industrial vehicle fleets. IC Role / Device Role / Timing Role: Low-power, wide-temp video buffer with 43 dB 27 MHz rejection to suppress switching noise. Use Value: Maintains 70 dB SNR across temperature - ensures stable grayscale reproduction in varying ambient conditions. |
Use Scenario: Processing reverse gear video feed in parking assist ECU with fail-safe monitoring of output integrity. IC Role / Device Role / Timing Role: Protected video driver whose STB flag feeds safety monitor logic for ASIL-A compliance. Use Value: Provides hardware-level fault signaling independent of microcontroller - meets functional safety timing constraints (<100 µs response). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar video filter amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4432-1WBCPZ-R7 | Extended temperature range (−40°C to +125°C) with tighter parametric limits (e.g., 5.57–6.44 dB gain vs. 5.80–6.24 dB) | Required for AEC-Q100 Grade 0 production release; ADA4432-1BCPZ-R2 is standard grade | Select ADA4432-1WBCPZ-R7 for production automotive programs requiring full AEC-Q100 test report traceability. |
| MAX9542ETE+ | Lower −3 dB bandwidth (8 MHz), no STB flag, higher quiescent current (12 mA), SOT23-6 only | Lacks short-to-battery diagnostics and fails AEC-Q100 qualification - limited to non-automotive surveillance | Use MAX9542ETE+ only in cost-sensitive, non-automotive SD video links where fault detection is not required. |
Compared with ADA4432-1BCPZ-R2, the ADA4432-1WBCPZ-R7 offers guaranteed automotive-grade parametric stability across temperature, while MAX9542ETE+ trades protection and diagnostics for lower unit cost in non-safety-critical applications.
Availability
ADA4432-1BCPZ-R2 is available at Aetrix Electronics and suitable for automotive rearview cameras, video ECUs, and surveillance systems requiring stable component supply, AEC-Q100-aligned sourcing, and long-term lifecycle support.
Supply support for ADA4432-1BCPZ-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, and automotive markets since 1965.
The ADA4432-1BCPZ-R2 belongs to Analog Devices' automotive-qualified video signal conditioning portfolio, engineered specifically for robust SD video transmission in electrically noisy, thermally demanding vehicle environments.
FAQ
What is the function of the STB pin on the ADA4432-1BCPZ-R2?
The STB (short-to-battery) pin on the ADA4432-1BCPZ-R2 is an open-drain logic output that asserts high (≥3.3 V) when an overvoltage condition (>7.2 V typical) is detected on the OUT pin - indicating activation of internal short-to-battery protection. It remains functional whether the device is enabled or disabled, enabling real-time cable fault diagnostics in automotive ECU firmware without interrupting video signal path. The ADA4432-1BCPZ-R2 STB pin requires an external pull-up resistor to +VS.
Can the ADA4432-1BCPZ-R2 drive a 75 Ω video load?
No - the ADA4432-1BCPZ-R2 is characterized and specified for 150 Ω doubly terminated coaxial loads, matching standard automotive camera interface impedance. Driving a 75 Ω load would exceed its linear output current capability (±37 mA), causing distortion and potential clipping. For 75 Ω systems, Analog Devices recommends the ADA4433-1 (differential) or alternative 75 Ω-optimized drivers. The ADA4432-1BCPZ-R2 datasheet explicitly defines RL = 150 Ω for all AC performance parameters.
Does the ADA4432-1BCPZ-R2 require external output coupling capacitors?
No - the ADA4432-1BCPZ-R2 integrates internal DC biasing and short-to-battery protection that eliminate the need for external AC-coupling capacitors. Its 200 mV internal output offset allows direct dc-coupling to ground-referenced DACs, and its STB protection handles battery shorts up to 18 V without external clamping components. This simplifies layout and reduces BOM cost versus legacy video amplifiers requiring discrete protection networks.
What is the maximum supply voltage for continuous operation of the ADA4432-1BCPZ-R2?
The ADA4432-1BCPZ-R2 has a recommended operating supply voltage range of 2.6 V to 3.6 V. Its absolute maximum rating is 4 V, but sustained operation above 3.6 V risks parametric shift and reduced reliability. All specifications - including −3 dB bandwidth, differential gain, and quiescent current - are guaranteed only within the 2.6 V–3.6 V range. Exceeding 3.6 V voids AEC-Q100 qualification compliance for the ADA4432-1BCPZ-R2.
How does the ENA pin affect power consumption in the ADA4432-1BCPZ-R2?
When the ENA pin of the ADA4432-1BCPZ-R2 is pulled low (≤0.6 V), the device enters ultra-low-power shutdown mode with quiescent current reduced to 14 µA (typical). In normal operation (ENA floating or tied to +VS), it draws 7.6 mA (typical). This 540× reduction enables power-gating in camera systems during vehicle sleep mode while retaining fast wake-up (<1 µs enable time). The ENA pin's internal 250 kΩ pull-up ensures default-enable behavior if left unconnected.
ADA4432-1BCPZ-R2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-WFDFN Exposed Pad, CSP
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Reconstruction Filter
- Output Type:
- Single-Ended
- Number of Circuits:
- 1
- -3db Bandwidth:
- 10.5 MHz
- Slew Rate:
- -
- Current - Supply:
- 7.6 mA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply, Single/Dual (±):
- 2.6V ~ 3.6V
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- -
- Supplier Device Package:
- 8-LFCSP-WD (3x3)
ADA4432-1BCPZ-R2 FAQ
1.How can I place an order for ADA4432-1BCPZ-R2 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4432-1BCPZ-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 ADA4432-1BCPZ-R2 reliable?
The price and inventory of ADA4432-1BCPZ-R2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4432-1BCPZ-R2 is usually 5 days.
3.What payment methods are accepted for ADA4432-1BCPZ-R2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4432-1BCPZ-R2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4432-1BCPZ-R2?
ADA4432-1BCPZ-R2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4432-1BCPZ-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 ADA4432-1BCPZ-R2?
For technical support, including ADA4432-1BCPZ-R2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4432-1BCPZ-R2 requirements.
6.How does Aetrix verify that ADA4432-1BCPZ-R2 is sourced from the original manufacturer or authorized distributors?
All ADA4432-1BCPZ-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 ADA4432-1BCPZ-R2 meets industry standards.
7.What is the process for return or replacement of ADA4432-1BCPZ-R2?
All ADA4432-1BCPZ-R2 units undergo pre-shipment inspection (PSI). If there is an issue with ADA4432-1BCPZ-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 ADA4432-1BCPZ-R2 part is unused and in its original packaging.
Return procedure for ADA4432-1BCPZ-R2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADA4432-1BCPZ-R2 Tags
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