ADM488: Low Power, Slew Rate Limited RS-485
The ADM488 and ADM489 are low power differential line transceiver suitable for communication on multipoint bus transmission lines.
They are intended for balanced data transmission and comply ...More
ADM488: Low Power, Slew Rate Limited RS-485
Product Description
The ADM488 and ADM489 are low power differential line transceiver suitable for communication on multipoint bus transmission lines.
They are intended for balanced data transmission and comply with both EIA Standards RS-485 and RS-422. Both products contains a single differential line driver and a single differential line receiver making them suitable for full duplex data transfer.
The ADM489 contains an additional receiver and driver enable control.
The input impedance is 12 kohms, allowing 32 transceivers to be connected on the bus.
The ADM488/ADM489 operates from a single +5 V ± 10% power supply. Excessive power dissipation caused by bus contention or by output shorting is prevented by a thermal shutdown circuit. This feature forces the driver output into a high impedance state if during fault conditions a significant temperature increase is detected in the internal driver circuitry.
The receiver contains a fail-safe feature that results in a logic high output state if the inputs are unconnected (floating). The ADM488/ADM489 is fabricated on BiCMOS, an advanced mixed technology process combining low power CMOS with fast switching bipolar technology.
The ADM488/ADM489 is fully specified over the industrial temperature range and is available in DIP, SOIC and TSSOP packages.
Features
- Meets EIA RS-485 Standard
- 250 kbps Data Rate
- Single 5 V ± 10% Supply
- –7 V to +12 V Bus Common-Mode Range
- 12 kO Input Impedance
- 2 kV EFT Protection Meets IEC1000-4-4
- High EM Immunity Meets IEC1000-4-3
- Reduced Slew Rate for Low EM Interference
- Short Circuit Protection
- Excellent Noise Immunity
- 30 µA Supply Current
Diagrams
- Enlarge
- Другие диаграммы
- Обозначения и трафареты для печатной платы
Functional Block Diagram for ADM488
Low Power, Slew Rate Limited RS-485
Другие диаграммы для ADM488
Low Power, Slew Rate Limited RS-485
ADM488 Pin Out Diagram
Functional Block Diagram for ADM488
ADM2482E - High Speed, Isolated RS-485 Transceiver with Integrated Transformer Driver
ADM2484E - 500 kbps, ESD Protected, Half-/Full-Duplex, iCoupler, Isolated RS-485 Transceiver
ADM2487E - High Speed, Isolated RS-485 Transceiver with Integrated Transformer Driver
| Part# | Min Pos Supply | Pwr Supply (Vnom) | Full-Half Duplex | ESD-Protection | Data Rate | # of Nodes On Bus | Drvr/Rcvr Enable | Fail Safe | Isolation V (rms) | Available Packages | Price* (1000-4999) | Protocols |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ADM2482E | +3 | +3 to +5 & ISO +3 | Full, Half | 15 kV | 16Mbps | 256 | Yes | Open, Short | 2.5 kV | SOIC | $4.66 | RS-422, RS-485 |
| ADM2484E | +3 | +3 to +5 & ISO +3 | Full, Half | 15 kV | 500kbps | 256 | Yes | Open, Short | 5 kV | SOIC | $3.04 | RS-422, RS-485 |
| ADM2487E | +3 | +3 to +5 & ISO +3 | Full, Half | 15 kV | 500kbps | 256 | Yes | Open, Short | 2.5 kV | SOIC | $3.64 | RS-422, RS-485 |
| ADM2491E | +3 | +3 to +5 & ISO +5 | Full, Half | 8 kV | 16Mbps | 32 | Yes | Open | 5 kV | SOIC | $4.76 | RS-422, RS-485 |
| ADN4667 | +3 | 3.3 | --- | 15 kV | 400Mbps | - | Yes | - | - | SOIC, SOP | $1.16 | RS-485/LVDS |
| ADN4668 | +3 | 3.3 | --- | 15 kV | 400Mbps | - | Yes | - | - | SOIC, SOP | $1.15 | RS-485/LVDS |
| ADM2490E | +2.7 | +3 to +5 & ISO +5 | Full | 8 kV | 16Mbps | 32 | No | Open | 5 kV | SOIC | $4.55 | RS-422, RS-485 |
| ADM2483 | +2.7 | +3 to +5 & ISO +5 | Half | --- | 500kbps | 256 | Yes | Open, Short | 2.5 kV | SOIC | $3.04 | RS-485 |
| ADM2485 | +2.7 | +3 to +5 & ISO +5 | Half | --- | 16Mbps | 50 | Yes | Open | 2.5 kV | SOIC | $5.57 | RS-422, RS-485 |
| ADM2486 | +2.7 | +3 to +5 & ISO +5 | Half | --- | 20Mbps | 50 | Yes | Open | 2.5 kV | SOIC | $5.04 | RS-485 |
| ADM3070E | +3 | 3.3 | Full | 15 kV | 250kbps | 256 | Yes | Open, Short | --- | SOIC | $1.62 | RS-422, RS-485 |
| ADM3071E | +3 | 3.3 | Full | 15 kV | 250kbps | 256 | No | Open, Short | --- | SOIC | $1.57 | RS-422, RS-485 |
| ADM3488E | +3 | 3.3 | Full | 15 kV | 250kbps | 32 | No | Open | --- | SOIC | $1.32 | RS-422, RS-485 |
| ADM3488 | +3 | 3.3 | Full | --- | 250kbps | 32 | No | Open | --- | SOIC | $0.91 | RS-422, RS-485 |
| ADM3074E | +3 | 3.3 | Full | 15 kV | 500kbps | 256 | No | Open, Short | --- | SOIC | $1.52 | RS-422, RS-485 |
| ADM3490 | +3 | 3.3 | Full | --- | 10Mbps | 32 | No | Open | --- | SOIC | $1.01 | RS-422, RS-485 |
| ADM3491 | +3 | 3.3 | Full | --- | 10Mbps | 32 | Yes | Open | --- | DIP, SOIC, SOP | $1.37 | RS-422, RS-485 |
| ADM3490E | +3 | 3.3 | Full | 15 kV | 12Mbps | 32 | No | Open | --- | SOIC | $1.37 | RS-422, RS-485 |
| ADM3491E | +3 | 3.3 | Full | 15 kV | 12Mbps | 32 | Yes | Open | --- | SOIC | $1.42 | RS-422, RS-485 |
| ADM3076E | +3 | 3.3 | Full | 15 kV | 16Mbps | 256 | Yes | Open, Short | --- | SOIC | $1.62 | RS-422, RS-485 |
| ADM3077E | +3 | 3.3 | Full | 15 kV | 16Mbps | 256 | No | Open, Short | --- | SOIC | $1.57 | RS-422, RS-485 |
| ADM3072E | +3 | 3.3 | Half | 15 kV | 250kbps | 256 | Yes | Open, Short | --- | SOIC | $1.52 | RS-422, RS-485 |
| ADM3483E | +3 | 3.3 | Half | 15 kV | 250kbps | 32 | Yes | Open | --- | SOIC | $1.32 | RS-422, RS-485 |
| ADM3493 | +3 | 3.3 | Half | --- | 250kbps | 256 | Yes | Open | --- | SOIC | $0.96 | RS-422, RS-485 |
| ADM3483 | +3 | 3.3 | Half | --- | 250kbps | 32 | Yes | Open | --- | SOIC | $0.91 | RS-422, RS-485 |
| ADM3073E | +3 | 3.3 | Half | 15 kV | 500kbps | 256 | Yes | Open, Short | --- | SOIC | $1.62 | RS-422, RS-485 |
| ADM3075E | +3 | 3.3 | Half | 15 kV | 500kbps | 256 | Yes | Open, Short | --- | SOIC | $1.52 | RS-422, RS-485 |
| ADM3486E | +3 | 3.3 | Half | 15 kV | 2.5Mbps | 32 | Yes | Open | --- | SOIC | $1.32 | RS-422, RS-485 |
| ADM3485 | +3 | 3.3 | Half | --- | 10Mbps | 32 | Yes | Open | --- | SOIC | $1.01 | RS-422, RS-485 |
| ADM3485E | +3 | 3.3 | Half | 15 kV | 12Mbps | 50 | Yes | Open | --- | DIP, SOIC | $1.32 | RS-422, RS-485 |
| ADM3078E | +3 | 3.3 | Half | 15 kV | 16Mbps | 256 | Yes | Open, Short | --- | SOIC | $1.55 | RS-422, RS-485 |
| ADM488 | +4.5 | 5 | Full | --- | 250kbps | 32 | No | Open | --- | DIP, SOIC | $1.11 | RS-422, RS-485 |
| ADM489 | +4.5 | 5 | Full | --- | 250kbps | 32 | Yes | Open | --- | DIP, SOIC, SOP | $1.62 | RS-422, RS-485 |
| ADM483E | +4.5 | 5 | Half | 15 kV | 250kbps | 32 | Yes | Open | --- | DIP, SOIC | $1.27 | RS-422, RS-485 |
| ADM4854 | +4.75 | 5 | Full | --- | 115kbps | 256 | No | Open, Short | --- | SOIC | $0.71 | RS-422, RS-485 |
| ADM4855 | +4.75 | 5 | Full | --- | 500kbps | 256 | No | Open, Short | --- | SOIC | $0.71 | RS-422, RS-485 |
| ADM4856 | +4.75 | 5 | Full | --- | 2.5Mbps | 256 | No | Open, Short | --- | SOIC | $0.71 | RS-422, RS-485 |
| ADM4857 | +4.75 | 5 | Full | --- | 10Mbps | 256 | No | Open, Short | --- | SOIC | $0.71 | RS-422, RS-485 |
| ADM4850 | +4.75 | 5 | Half | --- | 115kbps | 256 | Yes | Open, Short | --- | CSP, SOIC | $0.71 | RS-422, RS-485 |
| ADM487E | +4.75 | 5 | Half | 15 kV | 250kbps | 128 | Yes | Open | --- | SOIC | $1.32 | RS-422, RS-485 |
| ADM483 | +4.75 | 5 | Half | --- | 250kbps | 32 | Yes | Open | --- | SOIC | $0.67 | RS-422, RS-485 |
| ADM4851 | +4.75 | 5 | Half | --- | 500kbps | 256 | Yes | Open, Short | --- | CSP, SOIC | $0.71 | RS-422, RS-485 |
| ADM1487E | +4.75 | 5 | Half | 15 kV | 2.5Mbps | 128 | Yes | Open | --- | SOIC | $1.32 | RS-422, RS-485 |
| ADM485E | +4.75 | 5 | Half | 15 kV | 2.5Mbps | 32 | Yes | Open | --- | SOIC | $1.32 | RS-422, RS-485 |
| ADM4852 | +4.75 | 5 | Half | --- | 2.5Mbps | 256 | Yes | Open, Short | --- | CSP, SOIC | $0.71 | RS-422, RS-485 |
| ADM485 | +4.75 | 5 | Half | --- | 5Mbps | 32 | Yes | Open | --- | DIP, SOIC, SOP | $1.31 | RS-422, RS-485 |
| ADM4853 | +4.75 | 5 | Half | --- | 10Mbps | 256 | Yes | Open, Short | --- | CSP, SOIC | $0.71 | RS-422, RS-485 |
| ADM1486 | +4.75 | 5 | Half | --- | 30Mbps | 50 | Yes | Open | --- | SOIC | $2.07 | RS-422, RS-485 |
| ADM1485 | +4.75 | 5 | Half | --- | 30Mbps | 32 | Yes | Open | --- | DIP, SOIC, SOP | $1.63 | RS-422, RS-485 |
* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S.
Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.
ADM488 Model Options
| Модели | Статус | Корпуса | Pins | Температурный диапазон |
Цена | Production** Availability |
ROHS Compilant | Samples Cart | Purchase Cart |
|---|---|---|---|---|---|---|---|---|---|
| ADM488AN | Prodn | 8 ld PDIP | 8 | Ind | - | 09/05/2008 |
N
Material Declaration |
Обратная связь | Add To Cart |
| ADM488ANZ | Prodn | 8 ld PDIP | 8 | Ind | - | 09/05/2008 |
Y
Material Declaration |
Обратная связь | Add To Cart |
| ADM488AR | Prodn | 8 ld SOIC | 8 | Ind | - | 09/05/2008 |
N
Material Declaration |
Обратная связь | Add To Cart |
| ADM488AR-REEL | Obs | 8 ld SOIC | 8 | Ind | - | - |
N
Material Declaration |
Обратная связь | Обратная связь |
| ADM488ARZ | Prodn | 8 ld SOIC | 8 | Ind | - | 09/05/2008 |
Y
Material Declaration |
Обратная связь | Add To Cart |
| ADM488ARZ-REEL | Prodn | 8 ld SOIC | 8 | Ind | - | 09/05/2008 |
Y
Material Declaration |
Обратная связь | Add To Cart |
Help
- "Pre-Release": модель микросхемы еще не запущена в серийное производство, однако можно получить образцы.
- Производство: модель производится, доступна для покупки и заказа образцов.
- Завершение продаж: запланировано снятие модели микросхемы с производства, но в течение некоторого ограниченного времени покупка еще возможна.
- Снято с производства: Микросхема снята с производства и не доступна для приобретения. Другие варианты, указанные в таблице, все еще производятся (если их статус любой, кроме "снято с производства")
Для более подробного описания корпуса и материалов - см. Package Site
- Коммерческое исполнение: 0…70°С
- Военное исполнение: от -55 до +125 градусов по Цельсию
- Индустриальное исполнение: диапазоны рабочих температур могут быть разные у разных моделей. См. техническое описание (datasheet)
- Automotive: -40 to +125 °С
Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.
*Приведенные цены действительны в США и указаны только для примерного бюджетного рассчета. Цены указаны в долларах США (за штуку в указанном размере партии) и могут быть изменены. Цены в других регионах могут отличаться в зависимости от местных пошлин, налогов, сборов и курсов валют. Для уточнения стоимости обращайтесь в местные офисы продаж Analog Devices, или к официальным дистрибьюторам. Цены на оценочные платы и наборы указаны за штуку независимо от количества.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.


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