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MAX211IDWR RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The MAX211IDWR is a full-duplex RS232 transceiver manufactured by Texas Instruments, configured with 4 drivers and 5 receivers in a 28-SOIC surface mount package. This device operates across the industrial temperature range of -40°C to 85°C and is classified as Active product status. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and regulatory compliance to support procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | MAX211IDWR |
| Manufacturer | Texas Instruments |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 4/5 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120 Kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX211IDWR is determined by the following critical parameters:
- Protocol: RS232
- Number of Drivers/Receivers: 4/5 configuration
- Duplex Mode: Full
- Package / Case: 28-SOIC (0.295", 7.50mm Width)
- Voltage - Supply: 4.5V ~ 5.5V
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
Substitute parts are classified into two categories:
Direct Substitutes maintain identical electrical and mechanical specifications, including receiver hysteresis (500 mV), data rate (120 Kbps), and operating temperature range (-40°C ~ 85°C).
Parametric Equivalents share the same functional configuration and package but may differ in specific parameters such as receiver hysteresis (650 mV for ADM211 series) or operating temperature range (0°C ~ 70°C for commercial-grade variants). These parts are suitable for applications where the specified parameter variation does not impact system performance.
Parameter Comparison
| Part Number | Manufacturer | Drivers/Receivers | Receiver Hysteresis | Data Rate | Operating Temperature | Packaging | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|
| MAX211IDWR | Texas Instruments | 4/5 | 500 mV | 120 Kbps | -40°C ~ 85°C | Tape & Reel (TR) | 1408 |
| MAX211EEWI+ | Analog Devices Inc./Maxim Integrated | 4/5 | 500 mV | 120 Kbps | -40°C ~ 85°C | Tube | 1800 |
| ADM211ARZ | Analog Devices Inc. | 4/5 | 650 mV | 120 Kbps | -40°C ~ 85°C | Tube | 3200 |
| ADM211EARZ | Analog Devices Inc. | 4/5 | 650 mV | 120 Kbps | -40°C ~ 85°C | Tube | 1618 |
| ADM211EARZ-REEL | Analog Devices Inc. | 4/5 | 650 mV | 120 Kbps | -40°C ~ 85°C | Tape & Reel (TR) | 4600 |
| HIN211ECBZ | Renesas Electronics Corporation | 4/5 | 500 mV | 230 Kbps | 0°C ~ 70°C | Tube | 3516 |
| HIN211EIBZ | Renesas Electronics Corporation | 4/5 | 500 mV | 230 Kbps | -40°C ~ 85°C | Tube | 1511 |
| MAX211CWI+ | Analog Devices Inc./Maxim Integrated | 4/5 | 500 mV | 120 Kbps | 0°C ~ 70°C | Tube | 1095 |
| MAX211ECWI+ | Analog Devices Inc./Maxim Integrated | 4/5 | 500 mV | 120 Kbps | 0°C ~ 70°C | Tube | 2260 |
| MAX211EWI+ | Analog Devices Inc./Maxim Integrated | 4/5 | 500 mV | 120 Kbps | -40°C ~ 85°C | Tube | 956 |
| MAX241EEWI+T | Analog Devices Inc./Maxim Integrated | 4/5 | 500 mV | 120 Kbps | -40°C ~ 85°C | Tape & Reel (TR) | 2140 |
Engineering Selection Recommendations
For Direct Substitution (Identical Specifications):
MAX211EEWI+, MAX211EWI+, and MAX241EEWI+T are direct electrical equivalents to the MAX211IDWR. These parts maintain the same receiver hysteresis (500 mV), data rate (120 Kbps), and operating temperature range (-40°C ~ 85°C). Selection between these options depends on packaging preference: MAX211EEWI+ and MAX211EWI+ are supplied in Tube packaging, while MAX241EEWI+T is supplied in Tape & Reel format, matching the original part's packaging type.
For Industrial Temperature Range Applications:
HIN211EIBZ provides an alternative from Renesas Electronics Corporation with enhanced data rate capability (230 Kbps) while maintaining the full industrial temperature range (-40°C ~ 85°C). This part is suitable for applications requiring higher data throughput within the same thermal operating envelope.
For Parametric Equivalence (Modified Specifications):
ADM211ARZ, ADM211EARZ, and ADM211EARZ-REEL are Analog Devices alternatives with increased receiver hysteresis (650 mV) but identical operating temperature range and data rate. These parts are suitable for applications where enhanced noise immunity is beneficial. ADM211EARZ-REEL matches the original Tape & Reel packaging format.
For Commercial Temperature Range Applications:
MAX211CWI+ and MAX211ECWI+ are suitable for applications limited to 0°C ~ 70°C operating temperature. These parts maintain identical electrical specifications within their temperature range and are available in Tube packaging.
All substitute parts maintain ROHS3 compliance and MSL rating compatibility with the original specification.
Frequently Asked Questions (FAQ)
Q: Can MAX211EEWI+ directly replace MAX211IDWR in production?
A: Yes. MAX211EEWI+ is electrically and mechanically identical to MAX211IDWR. The primary difference is packaging format: MAX211EEWI+ is supplied in Tube while MAX211IDWR is supplied in Tape & Reel. Both maintain identical electrical specifications, operating temperature range, and RoHS compliance.
Q: What is the difference between ADM211EARZ and MAX211EEWI+?
A: Both are 4/5 RS232 transceivers in 28-SOIC packages with -40°C ~ 85°C operating range. The key difference is receiver hysteresis: ADM211EARZ specifies 650 mV while MAX211EEWI+ specifies 500 mV. Higher hysteresis provides improved noise immunity in electrically noisy environments.
Q: Is HIN211EIBZ suitable for MAX211IDWR replacement?
A: HIN211EIBZ is functionally compatible with identical driver/receiver configuration, package, and operating temperature range. It offers higher data rate capability (230 Kbps vs. 120 Kbps). Substitution is appropriate for applications that can utilize the enhanced data rate specification.
Q: Why do some substitutes have 0°C ~ 70°C operating temperature instead of -40°C ~ 85°C?
A: MAX211CWI+ and MAX211ECWI+ are commercial-grade variants with narrower operating temperature specifications. These parts are suitable only for applications operating within 0°C ~ 70°C. Industrial applications requiring -40°C ~ 85°C operation must use parts explicitly rated for that range.
Q: What packaging options are available for MAX211IDWR substitutes?
A: Substitute parts are available in two packaging formats: Tube (standard reel packaging for manual or semi-automated assembly) and Tape & Reel (for automated pick-and-place assembly). MAX241EEWI+T and ADM211EARZ-REEL match the original Tape & Reel format. Other substitutes are available in Tube packaging.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance and are suitable for applications with RoHS requirements.
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