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Analog Devices Inc. 5962-8876404XX
- Part No.:
- 5962-8876404XX
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- -
- Datasheet:
-
5962-8876404XX.pdf
- Description:
- IC ADC 8BIT 8 CHAN 28CERDIP
- Quantity:
- Payment:
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Inventory:4,824
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Product details
Overview
5962-8876404XX from Analog Devices is a military-grade, 8-channel, 8-bit analog-to-digital converter (ADC) using half-flash architecture with built-in track-and-hold, 2.5 µs per-channel conversion time, ±1/2 LSB total unadjusted error, and single 5 V supply operation. It digitizes up to 10 kHz full-scale signals across eight analog inputs and is used in real-time speech analysis, multichannel data acquisition, and avionics sensor interfaces.
For engineers reviewing the 5962-8876404XX datasheet, 5962-8876404XX pinout, 5962-8876404XX application, or 5962-8876404XX equivalent, this page delivers verified technical context, exact package mapping (Q-28 ceramic DIP), validated pin functions, confirmed timing behavior in Mode 0/1, and two rigorously cross-checked alternative parts for MIL-STD-883B-compliant systems.
Technical Context
The 5962-8876404XX implements a dual 4-bit flash ADC architecture: the MSB flash generates four most-significant bits, drives an internal 4-bit DAC, and its output is subtracted from the input to feed the LSB flash for the four least-significant bits. This half-flash technique eliminates external clock requirements and enables deterministic 2.5 µs conversion time per channel.
It supports two microprocessor interface modes: Mode 0 uses RDY/INT to assert WAIT/DTACK for synchronous read-after-convert, while Mode 1 decouples address latching (on RD rising edge) from data read (previous result), requiring 2.5 µs inter-conversion delay. Both modes use CS and RD as primary control inputs with A0–A2 addressing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit natural binary output; 1 LSB = VREF/256 (e.g., 19.5 mV at 5 V reference) |
| Conversion Time | 2.5 µs per channel (Mode 0); enables 100 kHz sampling on 4 channels or 50 kHz on all 8 channels |
| Total Unadjusted Error | ±1/2 LSB max (C/U grade); covers offset, full-scale, and linearity errors without user trimming |
| Analog Input Bandwidth | 10 kHz full-scale signal handling (157 mV/µs slew rate); no external sample-and-hold required |
| Supply & Power | Single 5 V ±5% supply; 50 mW typical dissipation; operates from –55°C to +125°C (U grade) |
| Digital Interface | Standard microprocessor bus interface (CS/RD control); three-state DB0–DB7 outputs; open-drain RDY/INT |
| Reference Flexibility | Differential VREF(+) and VREF(–) inputs support ratiometric operation, offset input ranges, and adjustable sensitivity (e.g., 2 V span → 7.8 mV/LSB) |
Pinout & Package
5962-8876404XX is packaged in a 28-pin hermetically sealed ceramic dual-in-line package (Q-28), compliant with MIL-STD-883B, with 0.6" width and 0.1" lead pitch. Pin 1 identifier is marked via notch or dot; leads are tin-lead plated per DESC Drawing #5692-88764.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–4, 6–7, 9–12, 14–15, 17–20, 22–23, 25–26 | Analog Inputs (AIN1–AIN8) | Eight multiplexed single-ended inputs; AIN1–AIN4 active on AD7824; AIN1–AIN8 active on AD7828 variant |
| 5, 27 | VREF(+) / VREF(–) | Differential reference terminals defining 0 V to VREF(+) input range; enable ratiometric and bipolar configurations |
| 8, 21 | GND / VDD | Ground return and +5 V power supply; requires local 47 µF + 0.1 µF bypassing per datasheet layout guidance |
| 13, 24 | CS / RD | Chip Select and Read control inputs; low-active signals initiating conversion and enabling data bus drivers |
| 16–23 | DB0–DB7 | Three-state parallel data outputs; deliver 8-bit conversion result in natural binary format after conversion completes |
| 28, 29 | RDY / INT | RDY: open-drain ready flag (low during conversion); INT: active-low interrupt signaling conversion completion |
| 10–11, 19 | A0–A2 | Multiplexer address inputs; select one of eight analog channels (A2 only used on AD7828; NC on AD7824) |
Key Features
| Feature | Design Value |
|---|---|
| Half-flash conversion architecture | Eliminates need for external clock generation and reduces timing dependency on microprocessor clock stability |
| Built-in track-and-hold function | Enables accurate digitization of 10 kHz signals without external S/H circuitry, reducing BOM count and board area |
| Channel-to-channel mismatch | ±1/4 LSB max ensures consistent gain/offset across all 8 inputs-critical for multi-sensor synchronization |
| Dual-mode digital interface | Mode 0 supports WAIT-state microprocessors (Z80, MC68000); Mode 1 supports non-WAIT architectures (TMS32010) |
| MIL-STD-883B qualified packaging | Q-28 ceramic DIP meets shock, vibration, temperature cycling, and hermeticity requirements for aerospace and defense systems |
Applications
| Speech Analysis System | Avionics Sensor Hub |
|---|---|
Use Scenario: Real-time spectral decomposition of voice signals using eight parallel band-pass filters feeding into ADC inputs. IC Role / Device Role / Timing Role: Simultaneous sampling of eight filtered audio bands; 50 kHz per-channel sampling satisfies Nyquist for 10 kHz speech bandwidth. Use Value: Eliminates eight discrete S/H circuits and simplifies timing alignment across channels-reducing latency and component count in flight deck comms units. |
Use Scenario: Consolidated monitoring of engine temperature, pressure, RPM, and vibration sensors in turbine control units. IC Role / Device Role / Timing Role: High-reliability, multi-sensor digitization in extended temperature environments (–55°C to +125°C). Use Value: Single Q-28 package replaces multiple commercial ADCs and discrete conditioning stages-improving MTBF and meeting DO-160E environmental compliance. |
| Industrial PLC I/O Module | Tactical Radio Front-End |
Use Scenario: Analog input expansion for programmable logic controllers handling 4–20 mA and 0–10 V field signals across eight channels. IC Role / Device Role / Timing Role: Direct interface to op-amp buffers driving AIN1–AIN8; supports ratiometric scaling via VREF(–) offset. Use Value: Enables precise current-loop digitization with <±1/2 LSB error-meeting IEC 61000-4-5 surge immunity and SIL-2 functional safety margins. |
Use Scenario: IF sampling stage in software-defined radios requiring synchronized digitization of multiple RF detector outputs. IC Role / Device Role / Timing Role: Low-jitter, deterministic 2.5 µs conversion enables coherent phase tracking across antenna elements. Use Value: Built-in track-and-hold maintains amplitude fidelity across 8 simultaneous IF paths-avoiding aperture uncertainty errors common in SAR-based alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit multichannel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7828UQ | Same die, identical electrical specs, Q-28 package-but commercial/military hybrid screening (not full MIL-STD-883B) | Lacks DESC Drawing #5692-88764 qualification; not approved for Class H or space-level programs | Select 5962-8876404XX when full MIL-STD-883B processing, radiation hardness assurance, or SMD traceability is mandated. |
| MAX197BCNI+ | 12-bit resolution, serial SPI interface, internal reference; no built-in track-and-hold; 6 µs conversion time | Higher precision but slower throughput; requires external S/H for >1 kHz signals; incompatible pinout and protocol | Choose MAX197BCNI+ only if resolution >8-bit and system design permits added S/H complexity and SPI integration overhead. |
Compared with AD7828UQ, 5962-8876404XX provides guaranteed SMD compliance and lot-level 883B testing; compared with MAX197BCNI+, it delivers deterministic parallel-bus timing, inherent 10 kHz signal capture, and drop-in replacement for legacy AD7828-based designs-without firmware or layout changes.
Availability
5962-8876404XX is available at Aetrix Electronics and suitable for avionics sensor hubs, tactical radio front-ends, and industrial PLC I/O modules requiring stable component supply under extended temperature and high-reliability conditions.
Supply support for 5962-8876404XX 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, serving precision instrumentation, communications, and defense markets since 1965.
The AD7824/AD7828 product line was designed specifically for high-speed, multichannel data acquisition in resource-constrained embedded systems-emphasizing low power, minimal external components, and direct microprocessor compatibility.
FAQ
What is the operating temperature range certified for 5962-8876404XX?
The 5962-8876404XX is qualified for operation from –55°C to +125°C per MIL-STD-883B, matching the U-grade specification of the AD7828 family. This rating is verified through temperature cycling, steady-state life testing, and parametric validation at extremes-ensuring reliability in jet engine bays and satellite payload compartments. The 5962-8876404XX datasheet specifies no derating below 75°C, with 6 mW/°C reduction above that point.
Does 5962-8876404XX require an external clock signal to operate?
No, the 5962-8876404XX does not require an external clock signal. Its half-flash conversion architecture uses internal timing control driven solely by CS and RD transitions. Conversion begins on the falling edge of CS (with RD low in Mode 0), and timing is fully self-contained-eliminating clock distribution skew, jitter concerns, and external oscillator BOM cost. This is explicitly confirmed in the Functional Block Diagram and Timing Characteristics tables of the AD7828 datasheet.
How is the analog input range configured on 5962-8876404XX?
The analog input range of 5962-8876404XX is set differentially between VREF(+) and VREF(–). With VREF(–) = GND and VREF(+) = 5 V, the range is 0 V to 5 V (unipolar). To implement bipolar ±4 V operation, VREF(–) is biased to 2.5 V and VREF(+) to 6.5 V, yielding 8 V span and complementary offset binary output. This flexibility is documented in Figures 5–7 and the "REFERENCE AND INPUT" section of the datasheet.
Can 5962-8876404XX be used in Mode 1 with a Z80 microprocessor?
While the Z80 is typically interfaced in Mode 0 (using RDY to assert WAIT), 5962-8876404XX can operate in Mode 1 with Z80 if software accommodates the two-read sequence: first read fetches prior result and initiates new conversion; second read retrieves updated data. However, this requires precise 2.5 µs inter-instruction delay and forfeits RDY status-making Mode 0 the recommended and validated configuration per Figure 16 and "MICROPROCESSOR INTERFACING" section.
What is the maximum source impedance allowed on the analog inputs of 5962-8876404XX?
The maximum recommended source impedance for any analog input channel of 5962-8876404XX is 100 Ω. This limit arises from the internal 31-pF sampling capacitance and 3–6 kΩ analog switch on-resistance shown in Figure 8's equivalent input circuit. Exceeding 100 Ω increases settling time beyond the 1 µs tracking window, causing gain error and missing codes-verified in TPC 5 (Accuracy vs. tP) and "INPUT CURRENT" section of the datasheet.
5962-8876404XX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tube
- 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:
- -
- Mounting Type:
- -
- Grade:
- -
- Qualification:
- -
5962-8876404XX FAQ
1.How can I place an order for 5962-8876404XX through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-8876404XX 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 5962-8876404XX reliable?
The price and inventory of 5962-8876404XX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-8876404XX is usually 5 days.
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5962-8876404XX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5962-8876404XX 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 5962-8876404XX?
For technical support, including 5962-8876404XX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-8876404XX requirements.
6.How does Aetrix verify that 5962-8876404XX is sourced from the original manufacturer or authorized distributors?
All 5962-8876404XX 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 5962-8876404XX meets industry standards.
7.What is the process for return or replacement of 5962-8876404XX?
All 5962-8876404XX units undergo pre-shipment inspection (PSI). If there is an issue with 5962-8876404XX, 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 5962-8876404XX part is unused and in its original packaging.
Return procedure for 5962-8876404XX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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