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Analog Devices Inc. AD4006BRMZ-RL7
- Part No.:
- AD4006BRMZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD4006BRMZ-RL7.pdf
- Description:
- IC ADC 18BIT SAR 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,096
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Product details
Overview
AD4006BRMZ-RL7 from Analog Devices is a precision 18-bit, pseudo-differential successive approximation register (SAR) analog-to-digital converter with 1 MSPS throughput, ±3.2 LSB INL, 95 dB SNR at 1 kHz, and single 1.8 V supply operation. It features Easy Drive architecture to reduce input current to 1 μA at 1 MSPS and supports input span compression for single-supply signal chain simplification in high-accuracy data acquisition systems.
For engineers reviewing the AD4006BRMZ-RL7 datasheet, AD4006BRMZ-RL7 pinout, AD4006BRMZ-RL7 application, or AD4006BRMZ-RL7 equivalent, this page delivers verified specifications, validated pin functions, real-world use cases in medical and industrial instrumentation, and two confirmed alternative parts with documented technical and application differences.
Technical Context
The AD4006BRMZ-RL7 implements a true SAR architecture with no pipeline delay-first conversion is accurate and latency-free. Its Easy Drive input stage reduces kickback and extends acquisition time to ≥79% of the conversion cycle at 1 MSPS, enabling direct connection to high-impedance sources without dedicated driver amplifiers.
It supports flexible digital interfacing via SPI/QSPI/MICROWIRE/DSP-compatible 3- or 4-wire modes-including daisy-chain and turbo modes-and uses separate VIO (1.71 V to 5.5 V) for logic-level compatibility across host systems. Input overvoltage clamp protection sinks up to 50 mA while minimizing reference disturbance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 18-bit, guaranteed no missing codes-ensures full code coverage for precision measurement applications. |
| Throughput Rate | 1 MSPS-supports accurate sampling of signals up to ~10 MHz bandwidth with adequate oversampling headroom. |
| INL | ±3.2 LSB max-enables <12 ppm absolute accuracy in calibrated systems using 5 V reference. |
| SNR | 95 dB at fIN = 1 kHz, VREF = 5 V-provides >15.5 effective number of bits (ENOB) for low-noise sensor digitization. |
| Power Consumption | 7–8.4 mW total at 1 MSPS, high-Z disabled-enables battery-powered or thermally constrained precision DAQ designs. |
| Input Voltage Range | 0 V to VREF, with VREF = 2.4 V to 5.1 V-allows flexible scaling for varying sensor output ranges. |
| Operating Temperature | −40°C to +125°C-qualified for industrial and automotive under-hood environments. |
Pinout & Package
AD4006BRMZ-RL7 is housed in a 10-lead MSOP package (3 mm × 4.90 mm), RoHS-compliant, with exposed pad connected to GND for thermal performance. Pinout matches AD4003/AD4007/AD4011 family for design reuse.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| REF | Analog reference input | Accepts 2.4 V–5.1 V external reference; requires local 10 µF X7R decoupling to GND for stability. |
| VDD | Analog power supply | 1.71 V–1.89 V only; bypass with 0.1 µF ceramic capacitor to minimize noise coupling into ADC core. |
| IN+ | Pseudo-differential analog input (+) | Samples voltage relative to IN−; operates over full 0 V to VREF range with span compression option. |
| IN− | Analog ground sense | Provides remote analog ground reference point-connect directly to sensor ground or low-impedance AGND plane. |
| GND | Power supply ground | Common return for VDD, REF, and analog inputs; must be low-impedance and separated from digital ground where possible. |
| CNV | Convert control input | Edge-triggered start of conversion; also selects interface mode (CS vs. daisy-chain) based on SDI state at rising edge. |
| SDO | Serial data output | Outputs 18-bit straight-binary result synchronized to SCK falling edge; tri-stated when CNV/SDI high in CS mode. |
| SCK | Serial clock input | Drives data shift-out; minimum 80 MHz required for full 1 MSPS throughput in turbo mode. |
| SDI | Serial data input / mode select | Configures interface mode (CS/daisy-chain); used for register writes when CNV low in CS mode. |
| VIO | Digital I/O supply | Independent 1.71 V–5.5 V logic rail-enables interoperability with 1.8 V, 3.3 V, or 5 V microcontrollers without level shifters. |
Key Features
| Feature | Design Value |
|---|---|
| Easy Drive input architecture | Reduces input current to ≤1 μA at 1 MSPS and extends acquisition phase to 790 ns-eliminates need for high-speed ADC driver in many applications. |
| Input span compression | Allows 0 V to VREF input range with single 1.8 V supply-removes requirement for negative rail in amplifier front-end. |
| Integrated overvoltage clamp | Sinks up to 50 mA on IN+/IN−-protects ADC core during transients and avoids external clamping diodes that degrade reference stability. |
| Oversampled dynamic range | 125 dB at OSR = 1024-enables high-resolution DC or low-frequency measurements without external filtering. |
| Flexible serial interface | Supports 3-/4-wire SPI, turbo mode, and daisy-chain-reduces GPIO count and simplifies multi-channel synchronization. |
Applications
| Automated Test Equipment | Medical Imaging Front-End |
|---|---|
Use Scenario: High-precision voltage/current measurement in modular PXI-based test instruments with tight channel density constraints. IC Role / Device Role / Timing Role: Primary digitizer for sensor excitation and feedback loops, operating at 1 MSPS with deterministic latency. Use Value: No missing codes and ±3.2 LSB INL ensure traceable calibration across temperature; Easy Drive allows direct connection to multiplexer outputs without buffer amplifiers. |
Use Scenario: Digitizing low-noise photodiode or piezoelectric sensor outputs in portable ultrasound or patient monitors. IC Role / Device Role / Timing Role: High-fidelity analog front-end ADC capturing weak biopotential signals with minimal added noise. Use Value: 95 dB SNR and 125 dB oversampled dynamic range preserve signal integrity for sub-microvolt-level diagnostics; 1.8 V supply reduces system power and heat. |
| Industrial Process Control | Battery-Powered Precision DAQ |
Use Scenario: Monitoring temperature, pressure, and flow sensors in distributed PLC I/O modules deployed in harsh factory environments. IC Role / Device Role / Timing Role: Isolated analog input channel ADC with robust ESD and overvoltage tolerance for field-side signal conditioning. Use Value: −40°C to +125°C operation and integrated 50 mA input clamp ensure reliability in uncontrolled enclosures; VIO/VDD separation simplifies isolated power design. |
Use Scenario: Portable environmental monitoring devices requiring long battery life and high-resolution sensor logging (e.g., gas analyzers, water quality meters). IC Role / Device Role / Timing Role: Low-power, high-accuracy ADC managing duty-cycled sampling to extend runtime on coin-cell or Li-ion batteries. Use Value: 70 μW at 10 kSPS and 8.4 mW at 1 MSPS enables adaptive sampling strategies; single-supply operation eliminates charge pump complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD4003BRMZ-RL7 | Same 18-bit resolution and Easy Drive architecture, but rated for 2 MSPS throughput and higher power (14 mW at 2 MSPS). | Preferred for higher-bandwidth applications (e.g., vibration analysis) where >1 MSPS sampling is required. | Select AD4003BRMZ-RL7 only if system demands ≥2 MSPS; AD4006BRMZ-RL7 offers better power efficiency at 1 MSPS. |
| AD7606C-18BSTZ | 8-channel simultaneous-sampling 18-bit SAR ADC with internal reference and parallel/serial interface; consumes 110 mW at 1 MSPS per channel. | Used in multi-sensor synchronized acquisition (e.g., motor phase current monitoring), not single-channel precision DAQ. | Choose AD7606C-18BSTZ for multi-channel time-aligned sampling; AD4006BRMZ-RL7 is optimal for space-constrained, ultra-low-power single-channel designs. |
Compared with AD4003BRMZ-RL7, AD4006BRMZ-RL7 trades maximum speed for lower power and cost in 1 MSPS applications; versus AD7606C-18BSTZ, it provides superior single-channel efficiency and smaller footprint but lacks multi-channel synchronization.
Availability
AD4006BRMZ-RL7 is available at Aetrix Electronics and suitable for automated test equipment, medical imaging front-ends, and industrial process control systems requiring stable component supply, long-term lifecycle support, and guaranteed −40°C to +125°C operation.
Supply support for AD4006BRMZ-RL7 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, headquartered in Norwood, MA, with decades of expertise in precision data conversion and signal conditioning.
The AD400x family was designed specifically for high-accuracy, low-power, single-supply data acquisition systems-targeting applications where traditional precision ADCs demand complex support circuitry and excessive power.
FAQ
What is the maximum achievable throughput for AD4006BRMZ-RL7?
The AD4006BRMZ-RL7 is specified for 1 MSPS maximum throughput. This rate is achieved only in turbo mode with an SCK frequency ≥80 MHz and VIO ≥2.7 V. In standard 4-wire mode, throughput drops to ~1.62 MSPS at 80 MHz SCK. The device cannot operate at 2 MSPS-that rating applies exclusively to the AD4002 variant.
Does AD4006BRMZ-RL7 require an external reference voltage?
Yes, AD4006BRMZ-RL7 requires an external reference voltage applied to the REF pin. It accepts 2.4 V to 5.1 V, and the reference must be decoupled with a 10 µF X7R ceramic capacitor to GND. No internal reference is provided, and the device does not regulate or buffer the reference input.
Can AD4006BRMZ-RL7 interface directly with a 3.3 V microcontroller?
Yes, AD4006BRMZ-RL7 supports direct interface with 3.3 V microcontrollers via its independent VIO pin. Set VIO = 3.3 V, and the digital I/O (SDI, SDO, SCK, CNV) will operate at 3.3 V logic levels-no level-shifting circuitry is needed, even though the core ADC runs from 1.8 V (VDD).
What is the purpose of the IN− pin on AD4006BRMZ-RL7?
The IN− pin on AD4006BRMZ-RL7 serves as the analog ground sense reference for the pseudo-differential input pair (IN+/IN−). It is not a true differential input but enables rejection of common-mode noise when connected to the sensor's local ground or a quiet analog ground plane-critical for maintaining 95 dB SNR in noisy industrial environments.
Is AD4006BRMZ-RL7 pin-compatible with other devices in the AD400x family?
Yes, AD4006BRMZ-RL7 is pin-compatible with AD4003/AD4007/AD4011 in both MSOP and LFCSP packages. This allows drop-in substitution across throughput grades (500 kSPS/1 MSPS/2 MSPS) without PCB redesign-provided layout accommodates the same 10-lead footprint and decoupling requirements.
AD4006BRMZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 18
- Sampling Rate (Per Second):
- 1M
- Number of Inputs:
- 1
- Input Type:
- Pseudo-Differential
- Data Interface:
- SPI, DSP
- Configuration:
- ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 1.71V ~ 1.89V
- Voltage - Supply, Digital:
- 1.7V ~ 5.5V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 10-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD4006BRMZ-RL7 FAQ
1.How can I place an order for AD4006BRMZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD4006BRMZ-RL7 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 AD4006BRMZ-RL7 reliable?
The price and inventory of AD4006BRMZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD4006BRMZ-RL7 is usually 5 days.
3.What payment methods are accepted for AD4006BRMZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD4006BRMZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD4006BRMZ-RL7?
AD4006BRMZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD4006BRMZ-RL7 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 AD4006BRMZ-RL7?
For technical support, including AD4006BRMZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD4006BRMZ-RL7 requirements.
6.How does Aetrix verify that AD4006BRMZ-RL7 is sourced from the original manufacturer or authorized distributors?
All AD4006BRMZ-RL7 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 AD4006BRMZ-RL7 meets industry standards.
7.What is the process for return or replacement of AD4006BRMZ-RL7?
All AD4006BRMZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD4006BRMZ-RL7, 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 AD4006BRMZ-RL7 part is unused and in its original packaging.
Return procedure for AD4006BRMZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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