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MAX3238-Q1的基本参数
  • 制造厂商:TI
  • 产品类别:接口
  • 技术类目:RS-232 收发器
  • 功能描述:具有 +/-15kV ESD 保护的汽车类 3V 至 5.5V 250kbps RS-232 线路驱动器/接收器
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MAX3238-Q1的产品详情:

The MAX3238 consists of five line drivers, three line receivers, and a dual charge-pump circuit with ±15-kV ESD (HBM) protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between notebook and subnotebook computer applications. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. In addition, the device includes an always-active noninverting output (ROUT1B), which allows applications using the ring indicator to transmit data while the device is powered down. These devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs driver output slew rate.

Flexible control options for power management are featured when the serial port and driver inputs are inactive. The auto-powerdown plus feature functions when FORCEON is low and FORCEOFF is high. During this mode of operation, if the device does not sense valid signal transitions on all receiver and driver inputs for approximately 30 s, the built-in charge pump and drivers are powered down, reducing the supply current to 1 µA. By disconnecting the serial port or placing the peripheral drivers off, auto-powerdown plus occurs if there is no activity in the logic levels for the driver inputs. Auto-powerdown plus can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown plus enabled, the device automatically activates once a valid signal is applied to any receiver or driver input. INVALID is high (valid data) if any receiver input voltage is greater than 2.7 V or less than –2.7 V, or has been between –0.3 V and 0.3 V for less than 30 µs. INVALID is low (invalid data) if all receiver input voltages are between –0.3 V and 0.3 V for more than 30 µs. Refer to Figure 5 for receiver input levels.

MAX3238-Q1的优势和特性:
  • Qualified for Automotive Applications
  • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
  • Meets or Exceeds Requirements of TIA/EIA-232-F and ITU v.28 Standards
  • Operates With 3-V to 5.5-V VCC Supply
  • Operates Up To 250 kbit/s
  • Five Drivers and Three Receivers
  • Low Standby Current . . . 1 μA Typical
  • External Capacitors . . . 4 × 0.1 μF
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Always-Active Noninverting Receiver Output (ROUT1B)
  • RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM)

MAX3238-Q1的参数(英文):
  • Drivers per package
  • 5
  • Receivers per package
  • 3
  • Logic voltage (Min) (V)
  • 3.3
  • Data rate (Max) (kbps)
  • 250
  • Main supply voltage (Nom) (V)
  • 3.3, 5
  • Features
  • Auto-Powerdown Plus
  • ESD HBM (kV)
  • 15
  • Rating
  • Automotive
  • Operating temperature range (C)
  • -40 to 85
  • Vout (Typ) (V)
  • 5.4
MAX3238-Q1具体的完整产品型号参数及价格(美元):

MAX3238-Q1的完整型号有:MAX3238IPWG4Q1、MAX3238IPWQ1、MAX3238IPWRG4Q1,以下是这些产品的关键参数及官网采购报价:

MAX3238IPWG4Q1,工作温度:-40 to 85,封装:TSSOP (PW)-28,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3238IPWG4Q1的批量USD价格:1.454(1000+)

MAX3238IPWQ1,工作温度:-40 to 85,封装:TSSOP (PW)-28,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3238IPWQ1的批量USD价格:1.32(1000+)

MAX3238IPWRG4Q1,工作温度:-40 to 85,封装:TSSOP (PW)-28,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3238IPWRG4Q1的批量USD价格:1.276(1000+)

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MAX3238-Q1的评估套件:

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