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Analog Devices Inc. AD7576JP-REEL
- Part No.:
- AD7576JP-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 20-LCC (J-Lead)
- Datasheet:
-
AD7576JP-REEL.pdf
- Description:
- 8-BIT SAR ADC, PARALLEL ACCESS
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
AD7576JP-REEL from Analog Devices is an LC2MOS 8-bit successive approximation analog-to-digital converter with 10 µs conversion time, µP-compatible parallel interface, and ±0.5 LSB integral nonlinearity, designed for data acquisition in industrial control and instrumentation systems.
For engineers reviewing the AD7576JP-REEL datasheet, AD7576JP-REEL pinout, AD7576JP-REEL application, or AD7576JP-REEL equivalent, key selection factors include its 10 µs conversion speed, 8-bit resolution, single +5 V supply operation, and compatibility with 8-bit microprocessor data buses.
Technical Context
The AD7576JP-REEL implements a successive approximation register (SAR) architecture with internal track-and-hold and reference buffer. It operates from a single +5 V supply and accepts analog inputs from 0 V to +5 V (unipolar) or ±2.5 V (bipolar with external configuration).
Its parallel 8-bit data output interfaces directly to microprocessor data buses without external latching, and conversion is initiated via WR signal with BUSY flag indicating completion. The device uses CMOS process technology with Schottky diode clamping on all inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit - delivers 256 discrete digital codes for unambiguous quantization of analog input signals. |
| Conversion Time | 10 µs - enables sampling rates up to 100 kSPS for real-time control loop feedback. |
| Integral Nonlinearity | ±0.5 LSB - ensures monotonic transfer function and minimal code-width variation across full scale. |
| Supply Voltage | +5 V only - simplifies power design by eliminating dual-supply requirements. |
| Analog Input Range | 0 V to +5 V (unipolar) - matches standard TTL/CMOS logic levels and DAC outputs. |
| Reference Voltage | Internal 5 V reference - eliminates need for external precision reference in basic configurations. |
Pinout & Package
AD7576JP-REEL is housed in a 20-lead plastic leaded chip carrier (PLCC) package with J-lead geometry, suitable for surface-mount reflow assembly and socketing in prototyping.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DB0–DB7 | Digital Output Bus | 8-bit parallel data output lines compatible with 8080/8085/Z80 microprocessor data buses. |
| WR | Write Control Input | Active-low signal initiating conversion and latching input sample; edge-triggered. |
| RD | Read Control Input | Active-low signal enabling data output onto DB0–DB7 bus after conversion completes. |
| BUSY | Status Output | Active-high open-drain output indicating conversion in progress; used for polling or interrupt generation. |
| VREF | Reference Input/Output | Provides internal 5 V reference; can be overdriven externally for custom scaling (±2.5 V bipolar mode). |
| AGND/DGND | Analog & Digital Ground | Separate ground pins minimize digital switching noise coupling into analog conversion path. |
Key Features
| Feature | Design Value |
|---|---|
| LC2MOS Process Technology | Combines low-power CMOS logic with high-voltage linear capability for robust analog front-end performance. |
| µP-Compatible Parallel Interface | Direct connection to 8-bit microprocessor data buses without glue logic or external latch. |
| Single +5 V Supply Operation | Reduces system power supply complexity and eliminates negative rail generation. |
| Internal Track-and-Hold | Enables accurate sampling of dynamic signals without external sample-hold circuitry. |
| On-Chip Reference Buffer | Stabilizes internal 5 V reference under varying load conditions, improving ADC accuracy stability. |
Applications
| Industrial Data Acquisition | Process Monitoring Systems |
|---|---|
Use Scenario: Digitizing sensor outputs (e.g., thermocouples, pressure transducers) in PLC I/O modules. IC Role / Device Role / Timing Role: Primary ADC converting analog field signals to digital values for microcontroller processing. Use Value: 10 µs conversion time supports >100 channel scans per second in multiplexed systems with minimal latency. | Use Scenario: Real-time monitoring of voltage, current, and temperature in factory automation panels. IC Role / Device Role / Timing Role: Standalone ADC interfacing directly to 8-bit microcontrollers for local decision-making. Use Value: Single +5 V supply and internal reference reduce BOM count and board space versus multi-rail alternatives. |
| Test Equipment Front Ends | Embedded Instrumentation |
Use Scenario: Signal conditioning stage in portable multimeters and handheld analyzers. IC Role / Device Role / Timing Role: High-speed digitizer capturing transient events during calibration and diagnostics. Use Value: ±0.5 LSB INL ensures measurement repeatability within Class II accuracy requirements. | Use Scenario: On-board sensor digitization in medical diagnostic devices and HVAC controllers. IC Role / Device Role / Timing Role: Low-power ADC operating from main system +5 V rail with minimal thermal drift. Use Value: LC2MOS process provides stable performance across commercial temperature range (0°C to +70°C). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX160A | 12-bit resolution, 25 µs conversion time, requires ±5 V supplies. | Higher resolution but slower and incompatible with single +5 V systems. | Select when higher accuracy outweighs speed and supply simplicity. |
| ADC0804LCN | 8-bit, 100 µs conversion, built-in clock generator, no BUSY flag. | Lacks BUSY signaling and has 10× slower throughput; suited for low-speed polling. | Choose for cost-sensitive, non-real-time applications where timing headroom exists. |
Compared with MAX160A and ADC0804LCN, the AD7576JP-REEL offers optimal balance of speed (10 µs), single-supply operation, and µP interface simplicity for time-critical 8-bit data acquisition where layout space and power rails are constrained.
Availability
AD7576JP-REEL is available at Aetrix Electronics and suitable for industrial data acquisition, process monitoring, and embedded instrumentation requiring stable component supply despite its obsolete status.
Supply support for AD7576JP-REEL 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 semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies.
The AD7576JP-REEL belongs to the AD757x family of microprocessor-compatible 8-bit ADCs, engineered for direct integration into 8-bit data acquisition systems with minimal external components.
FAQ
What is the conversion time specification for the AD7576JP-REEL?
The AD7576JP-REEL has a guaranteed maximum conversion time of 10 µs across the commercial temperature range (0°C to +70°C). This timing is measured from WR pulse initiation to BUSY going low, and enables sustained sampling rates up to 100 kSPS in burst-mode operation. The AD7576JP-REEL achieves this performance using an integrated track-and-hold and optimized SAR architecture.
Does the AD7576JP-REEL require external reference components?
No, the AD7576JP-REEL includes an internal 5 V bandgap reference and reference buffer, allowing operation in unipolar 0 V to +5 V mode without external components. For bipolar ±2.5 V operation, an external resistor divider may be used to scale the internal reference, but no precision external reference IC is required. The AD7576JP-REEL's on-chip reference stability supports typical INL of ±0.5 LSB.
Is the AD7576JP-REEL pin-compatible with other members of the AD757x family?
Yes, the AD7576JP-REEL shares identical pinout and electrical interface with AD7576JP and AD7576KP, both also offered in 20-lead PLCC packages. All three variants use the same WR/RD/BUSY control protocol and DB0–DB7 data bus mapping. However, AD7576JP-REEL is rated for commercial temperature range only, unlike industrial-grade versions.
What microprocessor families is the AD7576JP-REEL compatible with?
The AD7576JP-REEL is designed for direct interface with 8-bit microprocessors including Intel 8080/8085, Zilog Z80, and Motorola 6800 families. Its WR and RD control signals match standard memory-mapped I/O timing, and its open-drain BUSY output supports both polling and interrupt-driven operation. The AD7576JP-REEL does not require external address decoding logic in basic configurations.
Why is the AD7576JP-REEL marked as OBSOLETE, and is it still available for purchase?
The AD7576JP-REEL is designated obsolete by Analog Devices due to end-of-life manufacturing, but Aetrix Electronics maintains legacy inventory and supports continued procurement through authorized channels. Full traceability, lot-level documentation, and lifecycle coordination are provided. The AD7576JP-REEL remains viable for repair, replacement, and long-lifecycle industrial programs where redesign is impractical.
AD7576JP-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- AD7576
- Package/Case:
- 20-LCC (J-Lead)
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- -
- Number of Inputs:
- 8
- Input Type:
- Single Ended
- Data Interface:
- -
- Configuration:
- ADC
- Ratio - S/H:ADC:
- 0:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 4.75V ~ 5.25V
- Voltage - Supply, Digital:
- 4.75V ~ 5.25V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 20-PLCC (9x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD7576JP-REEL FAQ
1.How can I place an order for AD7576JP-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD7576JP-REEL 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 AD7576JP-REEL reliable?
The price and inventory of AD7576JP-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7576JP-REEL is usually 5 days.
3.What payment methods are accepted for AD7576JP-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7576JP-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD7576JP-REEL?
AD7576JP-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD7576JP-REEL 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 AD7576JP-REEL?
For technical support, including AD7576JP-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7576JP-REEL requirements.
6.How does Aetrix verify that AD7576JP-REEL is sourced from the original manufacturer or authorized distributors?
All AD7576JP-REEL 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 AD7576JP-REEL meets industry standards.
7.What is the process for return or replacement of AD7576JP-REEL?
All AD7576JP-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD7576JP-REEL, 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 AD7576JP-REEL part is unused and in its original packaging.
Return procedure for AD7576JP-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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