ISO1211DR - 24V-60V Isolated Digital Input | Texas Instruments (Tape & Reel)
MPN: ISO1211DR ✓ Hoạt độngISO1211DR Tóm tắt
An isolated digital input receiver converts field-side voltage states into a logic signal presented to a controller or other electronics. The ISO1211 belongs to the isolated-interface IC hierarchy and replaces conventional optocoupler input stages with an integrated receiver designed for high-side industrial input conditions. Its isolation function protects control-side circuitry from field-side electrical conditions while transferring the input state.
Key verified features include compliance with IEC 61131-2 Type 1, 2, and 3 characteristics for 24V isolated digital inputs, bipolar input support, broken-wire detection, and an operating temperature range from -40C to +125C. The current limit is specified as 2.2mA to 2.47mA for Type 3 designs. The SOIC package provides eight terminals and is identified by TI as package code D.
The ISO1211DR is intended for programmable logic controllers, motor-control systems, grid infrastructure, and other industrial equipment with isolated digital inputs. External resistors set the supported field-input voltage range, so the final input network must be selected according to the intended DC or AC voltage and the applicable IEC 61131-2 input type. The receiver architecture allows the field interface to be designed without reproducing a discrete optocoupler circuit.
Designers should verify the complete pinout, isolation requirements, resistor values, voltage ratings, and input thresholds against the manufacturer datasheet before production. The verified product page identifies ISO1211DR as an 8-pin SOIC (D) device rated from -40C to +125C. Its principal engineering value is integration of a field-input receiver into a compact, application-specific interface for industrial control equipment.
This page consolidates verified manufacturer and distributor information, IEC 61131-2 compatibility information, package data, application context, and design guidance. It does not infer unreported electrical values, invent pricing, or substitute a different package simply to create an alternative.
Bộ thay thế dễ dàng lắp đặt cho ISO1211DR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ISO1211DR (cùng hình factor và footprint) — khác nhau ở Device Type, Package.
ISO122U
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ISO1212D
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ISO1211EVM
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ISO1211DR Thông số kỹ thuật
| Device Type | Single-channel isolated 24V to 60V digital input receiver |
| Supported Digital Input Range | 24V to 60V |
| External-Resistor DC Input Support | 9V to 300V DC |
| External-Resistor AC Input Support | 9V to 300V AC |
| IEC 61131-2 Input Characteristics | Type 1, Type 2, and Type 3 |
| Type 3 Current Limit | 2.2mA to 2.47mA |
| Input Type | Bipolar input |
| Broken-Wire Detection | Supported |
| Khoảng nhiệt độ hoạt động | -40C to +125C |
| Hộp | 8-pin SOIC (D) |
| Package Code | D |
| Terminal Count | 8 terminals |
| Kiểu lắp đặt | Surface mount |
| Primary Application | PLC digital input modules |
| Isolation Category | Isolated digital input receiver |
| Manufacturer | Texas Instruments |
| Trạng thái RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
Hướng dẫn cấu hình chân ISO1211DR d
Cấu hình chân cho ISO1211DR (d gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho ISO1211DR.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
ISO1211DR phù hợp cho 6 Áp dụngs: PLC Digital Input Modules, Motor-Control Equipment, Grid Infrastructure Interfaces, Industrial Sensor and Limit Switch Inputs, Programmable Automation Test Equipment, Isolated Control-System Front Ends.
PLC Digital Input Modules
ISO1211DR fits a PLC digital-input card because it is specifically identified by Texas Instruments as a single-channel receiver for 24V to 60V isolated digital inputs. Place it behind the field-side input network so the controller receives a conditioned digital state while the isolation boundary separates industrial wiring from control electronics. Its verified IEC 61131-2 Type 1, 2, and 3 characteristics support several PLC input classes, while the 8-pin SOIC package keeps the channel compact. External resistors are required to establish the intended voltage range, and the 2.2mA to 2.47mA Type 3 current limit helps control dissipation.
Được đề xuất
Motor-Control Equipment
ISO1211DR is suitable for motor-control equipment that requires a robust isolated digital input for start, stop, limit, or interlock signals. The receiver supports 24V to 60V input modules and can be configured with external resistors for 9V to 300V DC or AC designs. This makes it useful where field wiring is exposed to industrial transients and must communicate status to a controller through an isolation barrier. Designers should calculate resistor power, verify input thresholds, and preserve the required isolation layout rather than treating the IC as a direct field-wire connection.
Được đề xuất
Grid Infrastructure Interfaces
ISO1211DR can serve as the input receiver in grid-infrastructure control equipment that monitors field-state signals from remote or high-energy wiring. The isolated receiver is intended for 24V to 60V digital input modules, with external-resistor support extending the design range to 9V to 300V DC or AC. IEC 61131-2 Type 1, 2, and 3 characteristics provide a useful basis for industrial input selection. The circuit must still be validated for the installation’s surge, grounding, wiring, and isolation requirements; the device does not by itself guarantee complete system safety certification.
Được đề xuất
Industrial Sensor and Limit Switch Inputs
ISO1211DR is appropriate for digital sensor, selector-switch, and limit-switch inputs that operate in a nominal 24V industrial environment. Its bipolar-input capability and broken-wire detection support field-state monitoring, while the controlled Type 3 input current helps make the interface more repeatable than an unconstrained discrete input. The 8-pin SOIC footprint supports a repeatable PCB layout, and the -40C to +125C operating range covers demanding equipment environments. Select the external resistors and protection network for the actual switch wiring and verify the complete input circuit against the manufacturer datasheet.
Được đề xuất
Programmable Automation Test Equipment
ISO1211DR can be used in automation equipment that accepts field-style digital signals while keeping the control section isolated. The device is suitable for 24V to 60V input modules and supports the manufacturer-stated IEC 61131-2 Type 1, 2, and 3 characteristics. That combination is useful when test fixtures, actuator controllers, and machine controls need a defined input-current behavior. The receiver’s small SOIC package simplifies board partitioning around an isolation barrier, but fixture protection, resistor selection, and signal-return design remain application-specific and must be checked during bring-up.
Được đề xuất
Isolated Control-System Front Ends
ISO1211DR fits an isolated front end when a controller must monitor a 24V industrial logic signal without allowing the field-side network to connect directly to sensitive electronics. Its isolated receiver architecture provides a defined conversion point between the input module and downstream logic, and the verified -40C to +125C range supports broad industrial conditions. Use the device in conjunction with correctly rated external resistors, layout practices that preserve isolation, and the application’s overvoltage requirements. It is intended for digital input reception rather than power conversion or high-voltage sensing.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ISO1211DR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ISO1211DRR | ISO122U | ISO1212D | ISO1211EVM |
|---|---|---|---|---|---|
| Package | 8-pin SOIC (D) | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
Bảo phân biệt quan trọng
- Dedicated 24V isolated-input receiver positioning (vsISO1211DRR)
- Verified Type 3 current-limit range (vsISO122U)
- Bipolar input and broken-wire detection (vsISO1212D)
- Industrial application coverage (vsISO1211EVM)
Ghi chú thiết kế
Design the external input-resistor network around the verified 2.2mA to 2.47mA Type 3 current-limit range. The resistor dissipation must be checked using the actual field voltage and the resulting input current rather than only the nominal supply value. Keep the input current within the manufacturer’s intended Type 3 design limits, and verify that every external component maintains adequate voltage and power margin.
Place the input resistors, protection components, and ISO1211DR close enough to the field-side connector that transient current follows a controlled path. Preserve the isolation boundary between field wiring and control-side circuitry, including the required copper and component spacing defined by the manufacturer datasheet. Confirm the SOIC-8 land pattern and pin numbering before release because the retrieved data does not include a complete pin diagram.
Do not treat ISO1211DR as a universal high-voltage input device without calculating the external resistor network and protection strategy. The verified 9V to 300V DC or AC capability depends on the external components and application conditions. Also do not substitute ISO1211DRR or another related designation solely because the function sounds similar; compare the official pinout, thresholds, current limits, isolation ratings, and package details first.
Thông tin tuân thủ
The verified manufacturer information specifically confirms IEC 61131-2 Type 1, 2, and 3 characteristics. RoHS, REACH, lead-free, halogen-free, and conflict-minerals status were not supplied and remain unknown.