MAX191BCWG+ Maxim Integrated Integrated Circuit (Small Outline Packages) In Stock
Maxim Integrated MAX191BCWG+ is a low-power 12-bit successive approximation ADC with internal reference and power-down mode, featuring up to 18 µs conversion time, ±5.25 V analog input range, and a 24-SOIC wide-body package, designed for precision data acquisition in battery-powered and portable instrumentation.
- Manufacturer
- Maxim Integrated
- Package
- Small Outline Packages
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- MAX191BCWG+ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $18.5700(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 12-bit resolution successive approximation ADC with up to 55,000 samples per second throughput
- Internal voltage reference eliminates external reference components, reducing BOM cost and board space
- Power-down mode enables ultra-low standby power for battery-operated portable instruments
- Wide ±5.25 V analog input range supports bipolar signal measurement without external level shifting
Applications
The MAX191BCWG+ is well suited for portable medical instruments, battery-powered data loggers, and precision industrial measurement systems that require 12-bit ADC performance with minimal power consumption. Its internal reference and power-down capability make it especially valuable in handheld test equipment and remote sensor nodes where extending battery life while maintaining accurate signal digitization at up to 55 ksps is a primary design goal.
Specifications
| Manufacturer Package Code | 24-SOIC_W-300_MIL |
| Date Of Intro | 1998-09-30 |
| YTEOL | 9 |
| Analog Input Voltage-Max | 5.25V |
| Analog Input Voltage-Min | -5.25 V |
| Conversion Time-Max | 18 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0244% |
| Negative Supply Voltage-Nom | -5 V |
| Number of Analog In Channels | 1 |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | SERIAL, PARALLEL, 8 BITS |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP24,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.1MHz |
| Sample and Hold / Track and Hold | TRACK |
| Supply Current-Max | 5mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.30 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MAX191BCWG+:
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Frequently Asked Questions
What resolution and conversion speed does the MAX191BCWG+ ADC deliver?
The MAX191BCWG+ provides 12-bit resolution with a maximum conversion time of 18 µs, allowing up to approximately 55,000 samples per second. This combination is well suited for data acquisition systems that need both high precision and moderate sampling rates, such as industrial process monitoring and portable medical diagnostic equipment.
How does the internal reference in the MAX191BCWG+ simplify portable instrument design?
The integrated voltage reference eliminates the need for a separate external reference IC, reducing component count, board area, and overall BOM cost. For battery-powered portable instruments operating from a single 5 V supply, this integration is particularly advantageous because it also avoids reference bypass capacitor placement challenges that can affect accuracy at the 12-bit level, where 1 LSB corresponds to only about 1.2 mV with a 5 V reference.
Which package does the MAX191BCWG+ use, and how does it affect PCB layout for high-accuracy analog circuits?
The MAX191BCWG+ is housed in a 24-pin wide-body SOIC (SOIC-24W, 300 mil) package. For high-accuracy 12-bit analog design, the wider 300 mil body provides more pin-to-pin spacing than narrow SOIC variants, which reduces parasitic coupling between analog input pins and digital output lines. Designers should still use a ground plane split between analog and digital domains and place decoupling capacitors within 1 mm to 3 mm of the power supply pins to achieve the datasheet-specified 0.0244% maximum linearity error.
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Why Buy from FindMyChip
About Maxim Integrated
Maxim Integrated is a leading electronic component manufacturer. FindMyChip sources Maxim Integrated ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $32.6700 | $32.67 |
| 3+ | $23.5700 | $70.71 |
| 10+ | $20.7200 | $207.20 |
| 30+ | $18.5700 | $557.10 |
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