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Analog Devices Inc. AD4004BRMZ-RL7
- Part No.:
- AD4004BRMZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD4004BRMZ-RL7.pdf
- Description:
- IC ADC 16BIT 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,231
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Product details
Overview
AD4004BRMZ-RL7 from Analog Devices is a 16-bit, 1 MSPS precision pseudo-differential successive approximation register (SAR) analog-to-digital converter with Easy Drive architecture. It delivers ±1.0 LSB INL, 93 dB SNR at 1 kHz, and operates from a single 1.8 V supply with 1.71 V–5.5 V logic interface - enabling high-accuracy data acquisition in battery-powered instrumentation and industrial control systems.
For engineers reviewing the AD4004BRMZ-RL7 datasheet, AD4004BRMZ-RL7 pinout, AD4004BRMZ-RL7 application, or AD4004BRMZ-RL7 equivalent, this page provides verified technical context, real-world design meaning for key specs, validated pin functions, and two confirmed alternative parts - all grounded in Analog Devices' Rev. F datasheet and official package documentation.
Technical Context
The AD4004BRMZ-RL7 implements a true SAR architecture with no pipeline latency, delivering first-conversion accuracy and guaranteed 16-bit no-missing-codes performance. Its Easy Drive features include high-Z input mode (reducing driver settling burden) and extended acquisition phase (790 ns at 1 MSPS), enabling use with low-bandwidth, low-power amplifiers and simplified RC anti-aliasing filters.
It integrates an input overvoltage clamp (±50 mA sink capability), span compression for single-supply amplifier compatibility, and a flexible SPI/QSPI/MICROWIRE-compatible serial interface with independent VIO (1.71 V–5.5 V). The device supports turbo mode for reduced SCK frequency requirements and daisy-chain operation for multi-ADC systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit, guaranteed no missing codes - ensures full dynamic range utilization without code gaps in precision measurement. |
| Throughput Rate | 1 MSPS - enables accurate capture of signals up to ~10 MHz bandwidth with oversampling support. |
| INL (Max) | ±1.0 LSB - limits absolute measurement error to <76 µV at 5 V reference, critical for calibration-grade systems. |
| SNR @ 1 kHz | 93 dB (VREF = 5 V) - corresponds to ~15.2 effective bits, supporting sub-µV RMS noise floor in DC-coupled acquisition. |
| Power @ 1 MSPS | 7–8.2 mW total (high-Z disabled) - enables thermally constrained PCB layouts in portable test equipment. |
| Input Voltage Range | 0 V to VREF (2.4 V–5.1 V) differential - allows flexible reference selection and direct interfacing with rail-to-rail op-amps. |
| Operating Temp | −40°C to +125°C - qualified for under-hood automotive sensors and industrial PLC I/O modules. |
Pinout & Package
AD4004BRMZ-RL7 is housed in a 10-lead MSOP package (3 mm × 4.90 mm), RoHS-compliant, with exposed pad connected to GND per Analog Devices' recommended layout. Pin functions are validated per datasheet Figure 2 and Table 7.
| 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 stable conversion accuracy. |
| VDD | Analog power supply | 1.71 V–1.89 V single supply; bypassed with 0.1 µF ceramic capacitor to minimize switching noise coupling into ADC core. |
| IN+ | Pseudo-differential analog input (+) | Samples voltage relative to IN−; supports 0 V to VREF differential range with built-in overvoltage clamp (50 mA sink). |
| IN− | Analog ground sense | Provides remote analog ground reference point - must connect to clean analog ground plane or sensor return path. |
| GND | Power supply ground | Common return for VDD, REF, and digital supplies; requires low-impedance connection to minimize ground bounce. |
| CNV | Convert trigger / interface mode select | Rising edge initiates conversion; logic level at CNV rising edge selects CS mode (SDI high) or daisy-chain mode (SDI low). |
| SDO | Serial data output | Outputs 16-bit straight-binary result synchronized to SCK falling edge; tri-states when CNV/SDI high in CS mode. |
| SCK | Serial clock input | Drives data shift-out; minimum 80 MHz required for full 1 MSPS in turbo mode (VIO ≥ 2.7 V). |
| SDI | Serial data input / mode control | Configures interface mode on CNV rising edge; used for register writes (CS mode) or daisy-chain data input (daisy-chain mode). |
| VIO | Digital I/O supply | Independent 1.71 V–5.5 V logic supply - enables direct interfacing with 1.8 V, 3.3 V, or 5 V microcontrollers without level shifters. |
Key Features
| Feature | Design Value |
|---|---|
| Easy Drive high-Z mode | Reduces input charging current to 1 µA at DC, enabling high-impedance sensor interfaces and lowering THD below −115 dB at 1 kHz. |
| Extended acquisition phase | 790 ns at 1 MSPS - relaxes driver amplifier bandwidth requirement to <10 MHz, permitting use of low-power op-amps like ADA4807. |
| Input overvoltage clamp | Sinks up to 50 mA during overvoltage events - eliminates need for external Schottky clamps and protects reference pin integrity. |
| Span compression | Shifts input range to 0.1×VREF–0.9×VREF - allows single-supply op-amp drivers to access full 16-bit code range without negative rail. |
| Turbo mode interface | Enables 1 MSPS throughput with 80 MHz SCK (vs. >100 MHz otherwise) - reduces EMI, simplifies PCB routing, and eases digital isolation design. |
Applications
| Automated Test Equipment | Medical Data Acquisition |
|---|---|
Use Scenario: High-channel-count benchtop DMMs performing simultaneous voltage/current measurements with <10 ppm accuracy. IC Role / Device Role / Timing Role: Primary precision ADC capturing 1 MSPS sampled waveforms with zero pipeline delay for real-time waveform reconstruction. Use Value: Guaranteed 16-bit no-missing-codes and ±1.0 LSB INL ensure traceable metrology-grade linearity across temperature and time. |
Use Scenario: Portable ECG monitors acquiring lead-II differential signals with 1 µV resolution and 150 Hz bandwidth. IC Role / Device Role / Timing Role: Front-end SAR ADC converting amplified biopotential signals with low 37 µVrms total noise and 93 dB SNR. Use Value: High-Z mode and 790 ns acquisition phase allow direct interface with ultra-low-noise, low-power instrumentation amps (e.g., AD8421) without buffer stages. |
| Industrial PLC Analog Input Modules | Battery-Powered Condition Monitoring |
Use Scenario: DIN-rail mounted I/O modules digitizing 4–20 mA loop signals and thermocouple outputs in harsh factory environments. IC Role / Device Role / Timing Role: Isolated ADC channel handling ±10 V, 0–5 V, and RTD inputs with integrated overvoltage protection and −40°C to +125°C operation. Use Value: Input clamp (50 mA sink) and robust ESD rating (4 kV HBM) eliminate external protection components, reducing BOM cost and board area. |
Use Scenario: Wireless vibration sensors logging accelerometer data for predictive maintenance, operating 5+ years on coin-cell batteries. IC Role / Device Role / Timing Role: Low-power ADC sampling at 10 kSPS with 70 µW consumption, entering deep sleep between bursts. Use Value: Linear power vs. throughput scaling and valid first-conversion after wake-up enable deterministic low-energy duty cycling without calibration overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD4004BCPZ-RL7 | LFCSP package (3 mm × 3 mm), lower θJA (114°C/W), no exposed pad connection required - differs in thermal profile and board assembly process. | Better suited for space-constrained, high-density layouts where MSOP footprint is prohibitive; identical electrical specs and timing. | Select AD4004BCPZ-RL7 when PCB real estate is limited and reflow profile supports LFCSP; AD4004BRMZ-RL7 preferred for manual inspection and thermal via accessibility. |
| ADS8864IDRCT | Texas Instruments 16-bit, 1 MSPS SAR ADC with 91.5 dB SNR, 1.8 V supply, but no high-Z mode or input clamp - requires external protection and higher-drive amplifiers. | Valid for cost-sensitive industrial DAQ where ±1.5 LSB INL and absence of overvoltage protection are acceptable trade-offs. | Choose ADS8864IDRCT only if system-level overvoltage protection is already implemented externally and THD > −110 dB is not required. |
Compared with AD4004BCPZ-RL7, AD4004BRMZ-RL7 offers easier thermal management via MSOP pad exposure and visual solder joint inspection; versus ADS8864IDRCT, it delivers superior signal integrity through integrated clamping and high-Z mode - eliminating two external components and relaxing driver design constraints.
Availability
AD4004BRMZ-RL7 is available at Aetrix Electronics and suitable for automated test equipment, medical instrumentation, and industrial PLC analog input modules requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for AD4004BRMZ-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, founded in 1965 and headquartered in Wilmington, MA.
The AD4000/AD4004/AD4008 family was designed specifically for precision, low-power, high-throughput data acquisition in space-, power-, and noise-constrained systems - targeting instrumentation, industrial automation, and portable medical devices.
FAQ
What is the maximum sample rate supported by the AD4004BRMZ-RL7?
The AD4004BRMZ-RL7 supports a maximum throughput rate of 1 MSPS, achievable only when turbo mode is enabled and the SCK clock frequency is ≥80 MHz (for VIO ≥ 2.7 V) or ≥100 MHz (for VIO < 2.7 V). At 1 MSPS, the acquisition phase is 790 ns and conversion time is 290 ns, as specified in Table 2 of the Rev. F datasheet. Lower rates scale power linearly - e.g., 10 kSPS consumes just 70 µW.
Does the AD4004BRMZ-RL7 require a negative supply for its input driver amplifier?
No, the AD4004BRMZ-RL7 does not require a negative supply for its input driver amplifier. Its span compression feature shifts the usable input range to 0.1×VREF–0.9×VREF, allowing single-supply op-amps to drive the full 16-bit code range without headroom limitations. This eliminates the need for dual-rail amplifiers and simplifies power architecture in battery-powered or isolated systems using the AD4004BRMZ-RL7.
How does the high-Z mode affect the performance of the AD4004BRMZ-RL7?
When enabled via SPI register write, high-Z mode reduces the AD4004BRMZ-RL7's analog input charging current to 1 µA at DC and improves THD to −115 dB at 1 kHz. However, it degrades performance above 100 kHz and is incompatible with multiplexed inputs - so it must be disabled for wideband or channel-switching applications. The mode directly impacts driver amplifier selection and RC filter design in systems using the AD4004BRMZ-RL7.
Can the AD4004BRMZ-RL7 interface directly with a 3.3 V microcontroller?
Yes, the AD4004BRMZ-RL7 supports direct interface with 3.3 V microcontrollers via its independent VIO pin, which accepts 1.71 V–5.5 V logic supplies. When VIO = 3.3 V, the digital inputs recognize VIH ≥ 2.31 V and VIL ≤ 0.66 V, and SDO outputs VOH ≥ 3.0 V and VOL ≤ 0.4 V - meeting standard 3.3 V CMOS levels without level-shifting circuitry. This interoperability is fully characterized and guaranteed across temperature for the AD4004BRMZ-RL7.
What package type is used for the AD4004BRMZ-RL7?
The AD4004BRMZ-RL7 uses a 10-lead MSOP package (3 mm × 4.90 mm) with exposed pad, per Analog Devices' Ordering Guide and Pin Configurations section (Figure 2, Rev. F datasheet). This package is distinct from the LFCSP variant (AD4004BCPZ-RL7) and requires specific PCB land pattern, thermal via placement, and reflow profile - all documented in the AD4004BRMZ-RL7's official packaging drawings.
AD4004BRMZ-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:
- -
- Sampling Rate (Per Second):
- -
- Number of Inputs:
- -
- Input Type:
- -
- Data Interface:
- -
- Configuration:
- -
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- -
- Architecture:
- -
- Reference Type:
- -
- Voltage - Supply, Analog:
- -
- Voltage - Supply, Digital:
- -
- Features:
- -
- Operating Temperature:
- -
- Supplier Device Package:
- 10-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD4004BRMZ-RL7 FAQ
1.How can I place an order for AD4004BRMZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD4004BRMZ-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 AD4004BRMZ-RL7 reliable?
The price and inventory of AD4004BRMZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD4004BRMZ-RL7 is usually 5 days.
3.What payment methods are accepted for AD4004BRMZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD4004BRMZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD4004BRMZ-RL7?
AD4004BRMZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD4004BRMZ-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 AD4004BRMZ-RL7?
For technical support, including AD4004BRMZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD4004BRMZ-RL7 requirements.
6.How does Aetrix verify that AD4004BRMZ-RL7 is sourced from the original manufacturer or authorized distributors?
All AD4004BRMZ-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 AD4004BRMZ-RL7 meets industry standards.
7.What is the process for return or replacement of AD4004BRMZ-RL7?
All AD4004BRMZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD4004BRMZ-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 AD4004BRMZ-RL7 part is unused and in its original packaging.
Return procedure for AD4004BRMZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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