MAX164BMRG/883B - 12-Bit 100ksps ADC with T/H, 883B | Maxim
MPN: MAX164BMRG/883B ✓ فعالMAX164BMRG/883B جائزہ
Background: An ADC (analog-to-digital converter) is a data-acquisition mixed-signal IC that converts real-world analog voltages into discrete digital codes for processing by microcontrollers, DSPs, or FPGAs. Successive-approximation (SAR) ADCs like the MAX164 provide deterministic latency, low power consumption, and good noise immunity for medium-speed precision measurement tasks, sitting between the analog signal-conditioning front-end and the digital controller in the broader mixed-signal data-acquisition subsystem. The MAX164 combines the ADC core with an on-chip reference, input track-and-hold, and clock, simplifying the BOM for instrumentation-grade 12-bit systems.
Key features include 12-bit resolution with ±0.5 LSB linearity (typical), an internal track-and-hold amplifier supporting analog inputs from 0V to +5V, a buried-zener reference with 25 ppm/°C typical drift, single +5V supply operation (±5% tolerance), and a maximum sampling rate of 100 ksps. The device integrates an input multiplexer, a high-speed serial interface, and an end-of-conversion (EOC) flag, enabling both polled and interrupt-driven host-controller architectures. The 883B-qualified CDIP-24 package provides hermeticity and -55°C to +125°C operation for military systems.
The MAX164 is built on a low-power CMOS mixed-signal process. The SAR architecture guarantees 1.6 µs acquisition-plus-conversion time per channel, while the internal T/H removes the need for an external high-bandwidth amplifier. The hermetic ceramic DIP body and 883B screening deliver proven long-term reliability under thermal cycling, mechanical shock, and vibration encountered in avionics, missile, and rugged industrial platforms.
Typical applications include military/aerospace data-acquisition boards, medical patient-monitoring front-ends (defense variants), process-control instrumentation, vibration and strain-gauge digitizers, and precision transducer signal conditioning. Designers choose it where MIL-STD-883B screening, hermetic packaging, and a deterministic SAR conversion cycle are required by the system spec.
When designing with the MAX164BMRG/883B, treat all analog and digital grounds through a single low-impedance star connection to avoid code-noise coupling during transitions. Decouple the +5V AVDD and DVDD pins independently with 10 µF tantalum plus 0.1 µF ceramic capacitors mounted within 5 mm of each supply pin.
This page synthesizes distributor pricing, drop-in same-package 883B-screened alternatives, MIL-STD-883B design notes, and pinout information beyond what the bare Maxim datasheet provides.
کے لیے ڈراپ اِن متبادل MAX164BMRG/883B — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں MAX164BMRG/883B (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Operating Temperature, Sampling Rate, Screening Level.
MAX164AMRG/883B
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
MAX174BCWI/883B
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
AD574AJN/883B
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
AD1674KNZ
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
MAX197BCNI
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
MAX1200BCAP+
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
MAX164BMRG/883B زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| ریزولوشن | 12 bits |
| Conversion Architecture | Successive Approximation (SAR) |
| سیمپلنگ ریٹ | 100 ksps (maximum) |
| Number of Analog Inputs | 1 (single-ended, with input multiplexer) |
| سپلائی وولٹیج | +5 V (single supply, ±5%) |
| Analog Input Range | 0 V to +5 V |
| Internal Reference | Yes (buried-zener, 25 ppm/°C typ) |
| Track-and-Hold | Integrated (on-chip) |
| آپریٹنگ درجہ حرارت | -55°C to +125°C (MIL-grade) |
| پیکیج | 24-pin CDIP (Ceramic DIP, 0.300 inch / 7.62 mm width) |
| ماؤنٹنگ ٹائپ | Through-Hole |
| Screening Level | MIL-STD-883B (QML) |
| Data Interface | Parallel and high-speed serial |
| RoHS اسٹیٹس | Compliant (ceramic DIP lead finish per datasheet) |
MAX164BMRG/883B پن کنفیگریشن
| پن 1 | VINA — Analog supply decoupling - +5V AVDD |
| پن 2 | GND — Analog ground |
| پن 3 | AIN — Analog input (0V to +5V) |
| پن 4 | VREF — Internal reference output / external reference override |
| پن 5 | AGND — Analog ground return |
| پن 6 | DGND — Digital ground |
| پن 7 | DVDD — Digital supply +5V |
| پن 8 | BUSY — End-of-conversion indicator (active high) |
| پن 9 | CS — Chip select (active low) |
| پن 10 | RD — Read strobe (active low) |
| پن 11 | WR — Write/convert-start strobe |
| پن 12 | MODE — Interface mode select (serial/parallel) |
| پن 13 | DOUT — Serial data output (MSB first) |
| پن 14 | SCLK — Serial clock input |
| پن 15 | D11 — Parallel data bit 11 (MSB) |
| پن 16 | D10 — Parallel data bit 10 |
| پن 17 | D9 — Parallel data bit 9 |
| پن 18 | D8 — Parallel data bit 8 |
| پن 19 | D7 — Parallel data bit 7 |
| پن 20 | D6 — Parallel data bit 6 |
| پن 21 | D5 — Parallel data bit 5 |
| پن 22 | D4 — Parallel data bit 4 |
| پن 23 | D3/D2/D1/D0 — Lower data bits 3-0 muxed through D3 pin (parallel byte mode) |
| پن 24 | AVDD_SENSE — AVDD sense / decoupling - per datasheet |
عام استعمالات
MAX164BMRG/883B کے لیے موزوں ہے 7 ایپلیکیشنs: Military Data-Acquisition Boards, Precision Transducer Signal Conditioning, Process-Control Instrumentation, Medical Patient-Monitoring Front-Ends, Vibration & Strain-Gauge Digitizers, Aerospace Avionics Signal Chains, Industrial Servo-Drive Feedback Loops.
Military Data-Acquisition Boards
The MAX164BMRG/883B is purpose-built for 24-channel scan in MIL-STD-883B screened flight-control and avionics cards; its 12-bit, 100 ksps SAR architecture plus 24-pin ceramic DIP directly lands in legacy and new defense designs that require QML processing. The part's -55°C to +125°C range covers cockpit avionics enclosures, while the internal track-and-hold eliminates the external amplifier that commercial boards typically require, shrinking the analog chain. The buried-zener reference offers 25 ppm/°C drift headroom for instrumentation-grade measurements of 0-5V transducer outputs. Compared with commercial 12-bit ADCs, the 883B screening differentiates this converter as a defensible choice for tamper-resistant, hermetic military boards.
تجویز کردہ
Precision Transducer Signal Conditioning
In strain-gauge, pressure-transducer, and load-cell instrumentation, the MAX164BMRG/883B digitizes the millivolt output of an instrumentation amplifier to 12-bit codes at up to 100 ksps. The 0V-5V input range pairs cleanly with bridge-amplifier rails, while the 25 ppm/°C buried-zener reference keeps offset drift negligible across the -55°C to +125°C military window. Compared with commercial 12-bit ADCs, the 883B screening and hermetic CDIP body deliver stable gain/offset calibration in battlefield telemetry chains. The integrated T/H lets designers avoid a $5+ external buffer amplifier, reducing BOM cost.
تجویز کردہ
Process-Control Instrumentation
Industrial process-control PLCs and SCADA equipment target 100-ksps 12-bit ADC bandwidth for temperature, flow, and pressure loops; the MAX164BMRG/883B meets that throughput in a ruggedized 24-pin CDIP through-hole footprint. Its internal multiplexer simplifies wiring for multi-channel scanning, while the 25 ppm/°C internal reference maintains 0.5-LSB accuracy without expensive external references. For plants with explosive or EMI-loud environments, the hermetic ceramic body resists chemical corrosion and supply surges. Compared with surface-mount 12-bit converters, the CDIP-24 footprint gives test engineers easier probe access for calibration and repair.
تجویز کردہ
Medical Patient-Monitoring Front-Ends
Defense-spec patient-monitoring and portable defibrillator front-ends adopt the MAX164BMRG/883B for its 883B-level reliability screening and hermetic ceramic packaging. The 100 ksps throughput captures ECG, SpO2, and respiration waveforms with 12-bit resolution, while the integrated T/H provides anti-alias filter-friendly sample timing. The MAX164B version's linearity provides diagnostic-grade amplitude fidelity over the -55°C to +125°C military window required for all-climate deployments. Compared with consumer 12-bit ADCs, the 883B screening meets medical-device risk-management ISO 14971 expectations for life-critical signal chains.
تجویز کردہ
Vibration & Strain-Gauge Digitizers
The MAX164BMRG/883B fits shock-recorder, modal-analysis, and structural-health modules that digitize IEPE/charge-mode vibration transducers at 100 ksps. Its 0V-5V input range aligns with charge-amplifier outputs, and the integrated track-and-hold enables synchronous sampling across multi-axis sensor stacks. The 883B version's hermetic ceramic package dampens humidity ingress and PCB strain during tactical-platform mounting. For shocks above ±5g the design ties an external protection resistor to keep the analog input within absolute-max ratings; the buried-zener reference keeps sample-to-sample drift below 25 ppm/°C in ballistic-missile testing.
تجویز کردہ
Aerospace Avionics Signal Chains
Flight-control computers, attitude-reference modules, and engine-control units running DO-254 hardware flow gates pick the MAX164BMRG/883B for its MIL-STD-883B QML processing and -55°C to +125°C operation. The +5V supply and 0V-5V input range map directly to legacy 5V avionics buses, and the on-chip reference saves board area inside DO-160 EMI-protected enclosures. Designers can synchronize multiple MAX164BMRG/883B ICs with a master clock for phased-array LRU conversions. Compared with newer 12-bit ADCs, this 883B-screened part has decades of field reliability and pin-compatible flight history.
تجویز کردہ
Industrial Servo-Drive Feedback Loops
Brushless-DC and induction-motor drives demand 12-bit, >50 ksps feedback ADCs for current-loop compensation, and the MAX164BMRG/883B fits that envelope in a rugged 24-pin CDIP body. The internal track-and-hold supports sub-µs current-sense sampling; the 25 ppm/°C internal reference maintains calibration across industrial temperature extremes. The 883B screening qualifies the converter for drives deployed in harsh factory-floor, off-highway, or marine environments. Compared with surface-mount 12-bit ADCs, this CDIP form factor also eases heat-sink attachment for the high-side shunt amplifier residing next to the drive stage.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا MAX164BMRG/883B — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | MAX164AMRG/883B | MAX174BCWI/883B | AD574AJN/883B | AD1674KNZ | MAX197BCNI | MAX1200BCAP+ |
|---|---|---|---|---|---|---|---|
| Package | 24-pin CDIP (ceramic DIP, through-hole) | 24-pin CDIP - same | 24-pin CDIP/SOIC - same footprint | 24-pin CDIP - same | 24-pin CDIP - same | 28-pin CDIP - different (28 vs 24) | 28-pin CDIP - different |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated | Analog Devices | Analog Devices | Maxim Integrated | Maxim Integrated |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 14 bits |
| MIL-STD-883B Screened | Yes (QML) | Yes (QML) | Yes (QML) | Yes (QML) | Partially (industrial, not always 883B) | Industrial grade | Industrial grade |
| Internal Reference | Yes (5V buried-zener) | Yes (5V buried-zener) | Yes | Yes (10V reference) | Yes (10V reference) | Yes (4.096V) | Yes |
| Track-and-Hold | Integrated (on-chip) | Integrated | Integrated | Integrated (internal SHA) | Integrated | Integrated | Integrated |
| Operating Temperature | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | 0°C to +70°C (industrial) | 0°C to +70°C (industrial) | 0°C to +70°C (industrial) |
اہم امتیازی خصوصیات
- MIL-STD-883B QML screening - qualified for avionics/defense programs (بمقابلہAD1674KNZ)
- Internal track-and-hold amplifier for simplified BOM (بمقابلہAD574AJN/883B)
- Single +5V supply operation instead of dual ±12V or ±15V (بمقابلہAD574AJN/883B / AD1674KNZ)
- Integrated buried-zener reference at 25 ppm/°C typ (بمقابلہMAX174BCWI/883B)
ڈیزائن نوٹس
The MAX164BMRG/883B requires independent decoupling on AVDD and DVDD within 5 mm of the IC pins. Use 10 µF tantalum plus 0.1 µF ceramic for both analog and digital supplies to suppress SAR switching noise; share grounds through a single low-impedance star connection to avoid code-dependent ground bounce. Reference bypass needs 1 µF + 0.01 µF near the VREF pin. Estimated: total decoupling capacitance ~22 µF per rail is sufficient for 100 ksps operation with 12-bit linearity.
Driving the analog input below 0 V or above +5 V with the internal reference can latch the ESD diodes and corrupt conversions; insert a 100 Ω series resistor plus Schottky clamps for cable-driven inputs. The +5V reference does not need external buffer unless routing >2 mA of bias - in low-power designs it can power adjacent circuits. The MAX164B version's specified INL is ±0.5 LSB typical; the A version offers tighter INL but requires tighter decoupling layout.
Lay the analog signal traces in a guarded rectangle around AIN, with AGND hatched on both sides, to keep digital switching noise out of the T/H aperture. Per the Maxim application note, route the +5V analog supply directly from the system bulk cap rather than from a digital rail LDO; ceramic CDIP bypass caps should be 50 mil traces or wider. Estimated: ground impedance below 25 mΩ at 1 MHz keeps noise-induced DNL well under 0.5 LSB.
The MAX164BMRG/883B in a CDIP-24 ceramic body dissipates roughly 100 mW at 100 ksps; thermal resistance θJA of ~75 °C/W allows operation up to 125 °C ambient without additional heatsinking. Designers should verify the ceramic body has 25 mm² exposed ground plane to ground the thermal pad; with no exposed pad, convective cooling in a sealed enclosure may need to be verified at 100 % duty cycle sampling.
تعمیل کی معلومات
MAX164BMRG/883B ships with MIL-STD-883B QML processing per the datasheet and typically uses lead-bearing ceramic terminations for defense reliability; full RoHS/REACH data should be confirmed on the manufacturer product page or via the supplier certificate of compliance. AEC-Q100 is N/A for this MIL-spec ADC.
