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Analog Devices Inc. AD7367BRUZ-500RL7
- Part No.:
- AD7367BRUZ-500RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 24-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
AD7367BRUZ-500RL7.pdf
- Description:
- IC ADC 14BIT SAR 24TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:500
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Product details
Overview
AD7367BRUZ-500RL7 from Analog Devices is a dual-channel, simultaneous-sampling 14-bit SAR ADC with true bipolar ±10 V/±5 V/0 V–10 V input ranges, 1 MSPS throughput, and on-chip 2.5 V ±0.2% reference. It operates across −40°C to +85°C and targets precision industrial data acquisition systems requiring synchronized analog capture from two independent sensor channels.
For engineers reviewing the AD7367BRUZ-500RL7 datasheet, AD7367BRUZ-500RL7 pinout, AD7367BRUZ-500RL7 application, or AD7367BRUZ-500RL7 equivalent, key selection considerations include simultaneous conversion timing (≤680 ns), channel-to-channel isolation (−90 dB), SNR (76 dB at 50 kHz), iCMOS® high-voltage analog input capability, and SPI/QSPI/MICROWIRE™ interface compatibility.
Technical Context
The AD7367BRUZ-500RL7 integrates two independent 14-bit successive approximation register (SAR) ADCs, each preceded by a 2-channel multiplexer and a wide-bandwidth track-and-hold amplifier. Its iCMOS® process enables ±16.5 V supply rails (VDD/VSS) and true bipolar analog inputs without external level-shifting circuitry.
Conversion is initiated by a falling edge on CNVST, with BUSY signaling completion; results are serially output MSB-first on DOUTA and DOUTB within ≤1 μs. The device supports programmable input ranges via RANGE0/RANGE1 pins and internal/external reference selection via REFSEL, with DCAPA/DCAPB pins serving as buffered reference outputs or external reference inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit, guaranteed no missing codes - ensures full dynamic range utilization in precision measurement. |
| Throughput Rate | 1 MSPS - supports real-time sampling of fast transients in motor control or power quality monitoring. |
| SNR | 76 dB at 50 kHz input - enables accurate digitization of low-amplitude signals in noisy industrial environments. |
| Analog Input Ranges | ±10 V, ±5 V, 0 V to 10 V (programmable) - accommodates diverse sensor outputs without external gain/attenuation. |
| Channel Isolation | −90 dB - prevents crosstalk between simultaneously sampled channels in multi-sensor systems. |
| Reference | On-chip 2.5 V ±0.2% - eliminates need for external reference IC, reducing BOM count and layout complexity. |
| Supply Voltages | VDD = +11.5 V to +16.5 V, VSS = −16.5 V to −11.5 V, AVCC/DVCC = 4.75 V to 5.25 V - supports direct connection to standard industrial ±15 V rails. |
Pinout & Package
AD7367BRUZ-500RL7 is housed in a 24-lead TSSOP package (4.4 mm × 7.8 mm, 0.65 mm pitch) with exposed pad for thermal performance. Pin functions are validated per Analog Devices Rev. D datasheet Figure 2 and Table 6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DOUTA / DOUTB | Serial data outputs | Simultaneous 14-bit MSB-first results from ADC A and ADC B; each requires 14 SCLK cycles for full readout. |
| CNVST | Conversion start trigger | Falling-edge–initiated simultaneous sampling; also controls power-up from shutdown mode. |
| BUSY | Conversion status indicator | High during conversion; falling edge signals result readiness for serial read - enables tight timing control. |
| RANGE0 / RANGE1 | Analog input range select | Logic-level inputs that configure ±10 V, ±5 V, or 0 V–10 V full-scale range for both ADCs. |
| REFSEL | Reference source selector | High = internal 2.5 V reference enabled; low = external reference applied to DCAPA/DCAPB. |
| VA1 / VA2 / VB1 / VB2 | Analog input terminals | Four single-ended inputs (two per ADC); referenced to AGND, compatible with ±12 V inputs when 3 V external ref used. |
| VDD / VSS | High-voltage analog supplies | +11.5 V to +16.5 V and −16.5 V to −11.5 V rails - enable true bipolar signal handling without level shifters. |
| AGND / DGND | Analog/digital ground references | Separate but tightly coupled grounds (≤0.3 V differential) required to maintain SNR and avoid digital noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| True bipolar input support | Accepts ±10 V, ±5 V, and 0 V–10 V ranges natively - eliminates external op-amp level-shifting circuitry for sensor interfacing. |
| Simultaneous sampling architecture | Two independent ADCs with matched aperture delay (±100 ps) - preserves phase coherence between channels for vibration analysis or motor current sensing. |
| iCMOS® process technology | Enables 30 V total analog supply range (VDD–VSS) while maintaining low power (8.3 mA typical) and small TSSOP footprint. |
| High-speed serial interface | SPI-/QSPI-/MICROWIRE-/DSP-compatible with 48 MHz SCLK - allows direct connection to FPGA or DSP without protocol translation. |
| Low-power shutdown mode | 320 nA typical ICC - extends battery life in portable test equipment or reduces thermal load in dense PCB layouts. |
Applications
| Industrial Motor Control | Power Quality Monitoring |
|---|---|
Use Scenario: Real-time acquisition of phase currents and bus voltage in three-phase inverters. IC Role / Device Role / Timing Role: Dual ADC simultaneously samples current shunt voltages and DC-link voltage to preserve vector control timing integrity. Use Value: 1 MSPS throughput and −90 dB channel isolation prevent torque ripple from cross-channel interference during PWM switching. |
Use Scenario: Simultaneous voltage and current waveform capture for harmonic distortion analysis per IEEE 519. IC Role / Device Role / Timing Role: Synchronized sampling of line voltage and CT/PT outputs ensures accurate phase-angle calculation for THD/SINAD metrics. Use Value: 76 dB SNR at 50 kHz and ±0.2% on-chip reference enable Class A power analyzer accuracy without external calibration. |
| Programmable Logic Controller (PLC) I/O Module | Test & Measurement Equipment |
Use Scenario: High-density analog input card supporting mixed-range sensors (4–20 mA, ±10 V, thermocouples). IC Role / Device Role / Timing Role: Configurable RANGE0/RANGE1 pins allow per-channel range selection in software-defined I/O architecture. Use Value: Single AD7367BRUZ-500RL7 replaces multiple lower-resolution ADCs, reducing component count and improving channel matching. |
Use Scenario: Portable oscilloscope or data logger requiring battery operation and high-fidelity signal capture. IC Role / Device Role / Timing Role: Low 320 nA shutdown current and 14-bit resolution support >10-hour runtime with minimal drift over temperature. Use Value: iCMOS® process enables ±15 V rail compatibility while consuming only 80.7 mW - critical for fanless thermal design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7367BRUZ | Same die, 1000-piece tape-and-reel vs. 500-piece reel (AD7367BRUZ-500RL7); identical electrical specs and pinout. | No functional difference; suited for medium-volume production where smaller reels reduce WIP inventory. | Select AD7367BRUZ-500RL7 when optimizing for just-in-time assembly or minimizing floor stock of high-value components. |
| AD7366BRUZ-500RL7 | 12-bit resolution (vs. 14-bit), 72 dB SNR (vs. 76 dB), same package, pinout, and interface - drop-in hardware replacement. | Lower cost for applications where 12-bit resolution suffices (e.g., basic sensor monitoring vs. metrology-grade measurement). | Choose AD7366BRUZ-500RL7 when system SNR requirements are ≤72 dB and BOM cost reduction is prioritized over resolution headroom. |
Compared with AD7367BRUZ-500RL7, AD7367BRUZ offers identical performance in larger reels for high-volume lines, while AD7366BRUZ-500RL7 trades 2 bits of resolution and 4 dB SNR for lower unit cost - enabling tiered product variants from a single PCB design.
Availability
AD7367BRUZ-500RL7 is available at Aetrix Electronics and suitable for industrial motor control, power quality monitoring, PLC I/O modules, and portable test equipment requiring stable component supply across extended product lifecycles.
Supply support for AD7367BRUZ-500RL7 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.
The AD7367 is part of Analog Devices' precision data acquisition portfolio, designed specifically for industrial automation and instrumentation systems demanding simultaneous sampling, high voltage tolerance, and metrology-grade accuracy.
FAQ
What is the maximum analog input voltage range supported by the AD7367BRUZ-500RL7?
The AD7367BRUZ-500RL7 supports true bipolar analog input ranges of ±10 V, ±5 V, and 0 V to 10 V, all programmable via RANGE0 and RANGE1 pins. With a 3 V external reference applied to DCAPA/DCAPB, it accepts ±12 V inputs - requiring minimum ±12 V on VDD/VSS supplies per the datasheet.
Does the AD7367BRUZ-500RL7 require an external reference, or does it have an internal one?
The AD7367BRUZ-500RL7 includes an on-chip 2.5 V ±0.2% reference that can be enabled via the REFSEL pin. When REFSEL is high, the internal reference is active and DCAPA/DCAPB must be decoupled. When REFSEL is low, an external reference (2.5 V to 3.0 V) may be applied to DCAPA and/or DCAPB.
How does simultaneous sampling work on the AD7367BRUZ-500RL7, and what is the timing relationship between the two ADCs?
The AD7367BRUZ-500RL7 performs true simultaneous sampling: a single CNVST falling edge initiates conversion in both ADCs at the exact same time. Aperture delay matching is ±100 ps, ensuring phase coherence critical for applications like motor current reconstruction or power factor measurement.
What serial interface protocols is the AD7367BRUZ-500RL7 compatible with?
The AD7367BRUZ-500RL7 features a high-speed serial interface compatible with SPI®, QSPI™, MICROWIRE™, and DSP serial protocols. It uses CS, SCLK, DOUTA, and DOUTB pins - with data clocked on the SCLK falling edge and MSB-first format requiring 14 cycles per 14-bit result.
What power supply configurations are required for the AD7367BRUZ-500RL7 to operate with ±10 V analog inputs?
For ±10 V analog input operation, the AD7367BRUZ-500RL7 requires VDD ≥ +11.5 V, VSS ≤ −11.5 V, AVCC/DVCC = 4.75 V to 5.25 V, and VDRIVE = 2.7 V to 5.25 V. Minimum recommended supplies are VDD = +15 V and VSS = −15 V to ensure full input range compliance and optimal SNR performance.
AD7367BRUZ-500RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- iCMOS®
- Package/Case:
- 24-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 500k
- Number of Inputs:
- 4
- Input Type:
- Single Ended
- Data Interface:
- SPI, DSP
- Configuration:
- MUX-S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- ±11.5V ~ 16.5V
- Voltage - Supply, Digital:
- 5V
- Features:
- Selectable Address, Simultaneous Sampling, True Bipolar
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 24-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD7367BRUZ-500RL7 FAQ
1.How can I place an order for AD7367BRUZ-500RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD7367BRUZ-500RL7 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 AD7367BRUZ-500RL7 reliable?
The price and inventory of AD7367BRUZ-500RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7367BRUZ-500RL7 is usually 5 days.
3.What payment methods are accepted for AD7367BRUZ-500RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7367BRUZ-500RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD7367BRUZ-500RL7?
AD7367BRUZ-500RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD7367BRUZ-500RL7 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 AD7367BRUZ-500RL7?
For technical support, including AD7367BRUZ-500RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7367BRUZ-500RL7 requirements.
6.How does Aetrix verify that AD7367BRUZ-500RL7 is sourced from the original manufacturer or authorized distributors?
All AD7367BRUZ-500RL7 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 AD7367BRUZ-500RL7 meets industry standards.
7.What is the process for return or replacement of AD7367BRUZ-500RL7?
All AD7367BRUZ-500RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD7367BRUZ-500RL7, 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 AD7367BRUZ-500RL7 part is unused and in its original packaging.
Return procedure for AD7367BRUZ-500RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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