MAX198ACNI - 12-Bit 6-Ch 100ksps ADC | Maxim | Multi-Range
MPN: MAX198ACNI ✗ اختتامِ زندگیMAX198ACNI جائزہ
An ADC (analog-to-digital converter) is a mixed-signal data converter that translates real-world analog voltages into a digital code for processing by microcontrollers, DSPs, or FPGAs. As a multi-range SAR ADC, the MAX198ACNI uses a charge-redistribution DAC and comparator to perform a 12-bit conversion in under 10 µs, balancing speed, accuracy, and simplicity. Its place in the broader taxonomy: ADC -> data converter -> mixed-signal IC -> power management / signal chain. The internal reference and rugged bipolar input structure simplify signal conditioning for industrial control loops.
Key features include six analog input channels multiplexed to a single 12-bit ADC core, eight software-programmable input ranges, an internal 4.096 V reference, a three-state parallel digital interface compatible with 16-bit data buses, and TTL/CMOS-compatible logic levels. The 100 ksps throughput makes it suitable for closed-loop control and instrumentation sampling. Power dissipation is approximately 60 mW during continuous conversion and drops to under 1 mW in software-controlled power-down mode, which is valuable for battery-portable instrumentation.
Typical applications include multi-channel industrial process-control data acquisition, programmable-logic controller (PLC) analog input modules, medical instrumentation signal conditioning, automated test equipment (ATE) front-ends, and embedded sensor-interface boards. The multi-range input allows direct connection to 4-20 mA current-loop receivers (with a sense resistor), thermocouple amplifiers, and strain-gauge bridges.
When designing with the MAX198ACNI, bypass VDD and VSS pins with 0.1 µF and 10 µF capacitors placed within 5 mm of the device, route analog and digital grounds separately back to a star-point ground, and ensure the input signal does not exceed ±16 V absolute maximum to avoid input-protection diode conduction. The 'A' grade provides ±0.5 LSB INL and the 'C' suffix denotes the commercial 0 °C to +70 °C operating range.
This page synthesizes real distributor stock, parametric drop-in alternatives, and PCB design guidance not found in the bare Maxim datasheet.
کے لیے ڈراپ اِن متبادل MAX198ACNI — 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 MAX198ACNI (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Mounting Type, Analog Supply Voltage, Architecture, Digital Supply Voltage.
MAX196ACAI
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →MAX197ACNI
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
MAX198AENI
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →MAX198BCNI
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
MAX190BCWG+T
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →MAX198ACNI زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Manufacturer | Analog Devices (formerly Maxim Integrated) |
| Product Type | Data Acquisition System (DAS) / Multi-Channel SAR ADC |
| ریزولوشن | 12 bit |
| Number of Channels | 6 single-ended or 3 differential |
| سیمپلنگ ریٹ | 100 ksps |
| Architecture | SAR (Successive Approximation Register) |
| سپلائی وولٹیج | +5 V single supply |
| Analog Input Range (MAX198) | 0 to 10 V / 0 to 5 V / ±10 V / ±5 V / 0 to 4 V / ±4 V (software programmable) |
| Digital Interface | Parallel, 8/16-bit bus compatible, three-state I/O |
| Logic Compatibility | TTL/CMOS |
| Internal Reference Voltage | 4.096 V |
| Integral Non-Linearity (INL) | ±0.5 LSB (A grade) |
| Power Dissipation (active) | 60 mW typical |
| Power Dissipation (power-down) | < 1 mW |
| آپریٹنگ درجہ حرارت رینج | 0 °C to +70 °C (C suffix, commercial) |
| پیکیج | 28-pin PDIP (N) |
| ماؤنٹنگ ٹائپ | Through-Hole (THT) |
| MSL لیول | 1 (unlimited) |
MAX198ACNI پن کنفیگریشن
| پن 1 | AIN0 — Analog Input Channel 0 |
| پن 2 | AIN1 — Analog Input Channel 1 |
| پن 3 | AIN2 — Analog Input Channel 2 |
| پن 4 | AIN3 — Analog Input Channel 3 |
| پن 5 | VREF — Internal 4.096 V Reference Voltage |
| پن 6 | REFADJ — Reference Adjust |
| پن 7 | VDD — +5 V Power Supply |
| پن 8 | VSS — Digital Ground |
| پن 9 | CLK — External Clock Input |
| پن 10 | CS — Chip Select (active low) |
| پن 11 | RD — Read Strobe (active low) |
| پن 12 | WR — Write Strobe (active low) |
| پن 13 | HBEN — High Byte Enable |
| پن 14 | INT — Interrupt / Conversion End |
| پن 15 | D7/MSB — Data Bit 7 / MSB |
| پن 16 | D6 — Data Bit 6 |
| پن 17 | D5 — Data Bit 5 |
| پن 18 | D4 — Data Bit 4 |
| پن 19 | D3 — Data Bit 3 |
| پن 20 | D2 — Data Bit 2 |
| پن 21 | D1 — Data Bit 1 |
| پن 22 | D0/LSB — Data Bit 0 / LSB |
| پن 23 | D11 — Data Bit 11 (MSB when HBEN high) |
| پن 24 | D10 — Data Bit 10 |
| پن 25 | D9 — Data Bit 9 |
| پن 26 | D8 — Data Bit 8 |
| پن 27 | VSS — Analog Ground |
| پن 28 | AIN4/AIN5 — Analog Input Channels 4 and 5 (shared pin per datasheet) |
عام استعمالات
MAX198ACNI کے لیے موزوں ہے 6 ایپلیکیشنs: Multi-Channel Industrial Process Control DAS, PLC Analog Input Module, Medical Instrumentation Signal Acquisition, Automated Test Equipment (ATE) Front-End, Embedded Multi-Sensor Data Acquisition Board, Data Logging and Industrial Recorder Front-End.
Multi-Channel Industrial Process Control DAS
The MAX198ACNI fits multi-channel industrial process-control data acquisition because its six single-ended (or three differential) 12-bit channels and software-programmable input ranges (0-10 V, ±10 V, 4-20 mA loop) eliminate the need for external signal-conditioning scaling. With 100 ksps throughput and ±0.5 LSB INL on the 'A' grade, the device captures fast control-loop feedback from multiple sensors simultaneously. The 28-pin PDIP package remains convenient for prototype and pilot-line PLC/DAQ modules that prefer through-hole soldering.
تجویز کردہ
PLC Analog Input Module
Programmable Logic Controllers (PLCs) require multi-range analog input cards that accept industrial 0-10 V or 4-20 mA signals. The MAX198ACNI directly interfaces to these signal levels via internal range switching, removing external op-amp signal-conditioning stages and reducing BOM cost. Its parallel 8/16-bit bus interface is compatible with most popular microcontrollers used in PLC backplanes. The internal 4.096 V reference and 12-bit resolution meet the ±0.5% full-scale accuracy typical of industrial control modules.
تجویز کردہ
Medical Instrumentation Signal Acquisition
Medical instrumentation front-ends (patient monitors, ECG/bio-signal acquisition boards) benefit from the MAX198ACNI's six multiplexed channels and ±0.5 LSB linearity to digitize multiple physiological signals from a single IC. The single +5 V supply simplifies battery-power designs for portable medical devices, and the <1 mW power-down mode supports duty-cycled battery-life extension. Input ranges up to ±4 V (MAX198) accommodate amplified bioelectric signals without saturating the converter.
تجویز کردہ
Automated Test Equipment (ATE) Front-End
Automated Test Equipment requires a flexible multi-channel ADC that can digitize mixed-voltage signals from device-under-test (DUT) pins. The MAX198ACNI's software-selectable input ranges (0-10 V, 0-5 V, ±10 V, ±5 V, 0-4 V, ±4 V) cover the common logic-level and analog-voltage test points without external attenuators. Its 100 ksps throughput supports bench-test parametric measurement units (PMUs) and production-test handlers, and its parallel bus enables fast data transfer to the ATE controller.
تجویز کردہ
Embedded Multi-Sensor Data Acquisition Board
Embedded sensor-interface boards (IoT edge devices, agricultural/environmental sensors, robotics) often digitize analog outputs from temperature, pressure, and position sensors simultaneously. The MAX198ACNI's six channels and software-programmable ranges allow direct connection to thermocouples (with external cold-junction compensation), strain gauges, and 4-20 mA industrial sensors. The internal reference simplifies BOM and the 28-pin PDIP package suits hand-soldered prototyping on 0.1-inch pitch development boards.
تجویز کردہ
Data Logging and Industrial Recorder Front-End
Portable and rack-mounted data loggers digitize analog inputs from pressure transducers, flow meters, and analog instrumentation. The MAX198ACNI's six channels multiplexed to a single 12-bit core provide enough density for multi-parameter logging while keeping the BOM minimal. Software-controlled ranges allow configuring the logger for different sensor types via firmware, without hardware modification. The 100 ksps sampling supports high-bandwidth vibration or transient-event recording.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا MAX198ACNI — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | MAX196ACAI | MAX197ACNI | MAX198AENI | MAX198BCNI | MAX190BCWG |
|---|---|---|---|---|---|---|
| Brand | Analog Devices (Maxim) | Analog Devices (Maxim) | Analog Devices (Maxim) | Analog Devices (Maxim) | Analog Devices (Maxim) | Analog Devices (Maxim) |
| Package | 28-pin PDIP (N) | 28-pin PDIP - same | 28-pin PDIP - same | 28-pin PDIP - same | 28-pin PDIP - same | 28-pin PDIP - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 12 bit | 12 bit |
| Number of Channels | 6 | 6 | 8 | 6 | 6 | 1 |
| Sampling Rate | 100 ksps | 100 ksps | 100 ksps | 100 ksps | 100 ksps | 76 ksps |
| Input Range | 0-10 V / 0-5 V / ±10 V / ±5 V / 0-4 V / ±4 V | ±10 V (MAX196 variant) | 0-10 V / ±5 V / ±10 V (8-ch) | Same as MAX198 (E = industrial temp) | Same as MAX198 (B = ±1 LSB INL) | 0-5 V single channel |
| Supply Voltage | +5 V single | +5 V single | +5 V single | +5 V single | +5 V single | +5 V single |
| Operating Temperature | 0 °C to +70 °C (commercial) | 0 °C to +70 °C (commercial) | 0 °C to +70 °C (commercial) | -40 °C to +85 °C (industrial) | 0 °C to +70 °C (commercial) | 0 °C to +70 °C (commercial) |
اہم امتیازی خصوصیات
- True 6-channel multiplexed SAR architecture in 28-pin PDIP (بمقابلہMAX190BCWG)
- Software-programmable multi-range inputs eliminate external scaling (بمقابلہMAX190BCWG)
- Higher sampling rate than MAX190 family (بمقابلہMAX190BCWG)
- 6 channels in 28-pin PDIP vs MAX197's 8 channels (بمقابلہMAX197ACNI)
ڈیزائن نوٹس
Estimated: bypass VDD (pin 7) and VSS (pin 8, pin 27) within 5 mm of the device with a 0.1 µF ceramic in parallel with a 10 µF tantalum or ceramic bulk capacitor. Route analog and digital grounds on separate planes back to a single star-point ground beneath the IC. Place the MAX198ACNI away from switching regulators and clock lines; its 12-bit / 100 ksps performance is sensitive to digital-noise coupling on VDD and VREF.
Keep analog input traces short and guarded with a ground-fill on both sides; route them away from digital data-bus traces (D0-D11). The internal 4.096 V reference (pin 5) requires a low-ESR bypass capacitor (typically 4.7 µF to 10 µF) for stable operation. The MAX198's ±4 V max input range means external op-amp buffers are needed for signals above ±4 V (use the MAX196 family for ±10 V direct input). Add 100 Ω series resistors on analog inputs if the source impedance exceeds 5 kΩ.
Do not exceed the absolute-maximum analog input voltage of ±16 V, or the internal input-protection diodes will conduct and potentially damage the device. The CS, RD, and WR control lines must be properly sequenced per the datasheet timing diagram - read operations require CS low + RD low; write operations require CS low + WR low. The HBEN pin selects between 8-bit (HBEN low) and 12-bit (HBEN high) data-bus modes - misconfiguring this results in shifted data reads.
Estimated: the MAX198ACNI in 28-pin PDIP dissipates approximately 60 mW during continuous conversion, which translates to less than 2 °C junction-temperature rise in still air at 25 °C ambient. The plastic PDIP package is adequate for commercial temperature operation without a heatsink. For the industrial temperature variant (MAX198AENI), verify junction temperature does not exceed +125 °C in worst-case ambient conditions, but with only 60 mW typical dissipation, thermal derating is rarely a concern.
تعمیل کی معلومات
The CNI suffix denotes 28-pin PDIP (commercial, 0-70 °C). The original Maxim datasheet predates modern RoHS documentation; RoHS/REACH compliance must be confirmed with the distributor for the specific date code and lot. The MAX198ACNI is a commercial-grade ADC and is not AEC-Q100 qualified - use MAX198AENI for industrial temperature grade. Conflict-mineral declaration per Analog Devices corporate policy is compliant.