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MAX3222IPWR
+BOMIC TRANSCEIVER FULL 2/2 20TSSOP
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #MAX3222IPWR
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データシート MAX3222IPWR DataSheet
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在庫状況7781
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 300 mV |
| Data Rate | 250kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| Base Product Number | MAX3222 |
概要
Description
Key features include:
1. Low Power Consumption: Incorporates automatic shutdown and wake-up functions to conserve power, ideal for battery-powered applications.
2. High Data Rates: Supports data transmission rates up to 250 kbps, suitable for various communication needs.
3. ESD Protection: Provides enhanced electrostatic discharge protection, ensuring reliability and durability in harsh environments.
4. Flexible Design: Compact and available in a TSSOP-20 package, making it suitable for space-constrained designs.
5. Compliance: Meets RS-232 specifications, ensuring compatibility with industry standards.
The MAX3222IPWR is typically used in applications such as handheld devices, point-of-sale systems, and any systems requiring reliable serial data communication.
Equivalent
1. STMicroelectronics: ST3232C - similar specifications with ESD protection.
2. Texas Instruments: TRS3221E - compatible with dual-channel operation and low power.
3. Analog Devices: ADM3232E - similar dual-channel RS-232 transceivers.
4. Microchip Technology: SP3223E - another dual RS-232 transceiver with low power features.
Ensure compatibility by reviewing datasheets for specific power requirements and operating conditions.
Features
A key feature of the MAX3222IPWR is its low power consumption, facilitated by an automatic shutdown function, which reduces current draw to less than 1μA in shutdown mode. This feature makes it ideal for battery-powered devices. Additionally, it includes a wake-up feature that resumes operation upon detecting a valid signal at the receiver input.
The device is housed in a 20-pin TSSOP package, providing a compact footprint for space-constrained designs. Furthermore, the MAX3222IPWR includes ESD protection on all RS-232 inputs and outputs, enhancing device reliability against electrostatic discharge events. Overall, it's a robust and efficient solution for RS-232 communication needs.
Pinout
The pin functions are as follows:
1. C1+, C1-, C2+, C2-: Capacitor connection pins used for the internal charge pumps.
2. V+, V-: Voltage pins for the internal charge pump’s positive and negative outputs.
3. VCC: Power supply input.
4. GND: Ground reference.
5. T1OUT, T2OUT: RS-232 transmit outputs.
6. R1IN, R2IN: RS-232 receive inputs.
7. T1IN, T2IN: TTL/CMOS transmit inputs.
8. R1OUT, R2OUT: TTL/CMOS receive outputs.
9. EN: Enable pin for the receivers.
10. EN: Enable pin for the transmitters.
11. READY: Indicates power conditions.
The MAX3222IPWR is commonly used in communication interfaces where space and power efficiency are critical, such as in PCs, notebooks, and hand-held equipment.
Manufacturer
Application
1. Data Communication: Connecting microcontrollers or microprocessors to RS-232 serial interfaces.
2. Industrial Automation: Enabling communication between different industrial equipment with RS-232 protocols.
3. Networking Equipment: Facilitating serial port communication in routers, switches, and modems.
4. Consumer Electronics: Providing interface solutions for devices like PDAs and GPS units.
5. Point-of-Sale Systems: Ensuring reliable serial connections in cash registers and barcode scanners.
6. Medical Devices: Used in equipment that requires robust serial communication.
Its low-power operation makes it ideal for battery-powered devices.