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参数资料
| 型号： | MAX3451EEUD+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | TXRX USB +/-15KV ESD 14-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | USB 2.0 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1407 (CN2011-ZH PDF) |
MAX3450E/MAX3451E/MAX3452E
±15kV ESD-Protected USB Transceivers
6
_______________________________________________________________________________________
PIN
TSSOP
THIN
QFN-EP
NAME
FUNCTION
115
VL
Digital I/O Connections Logic Supply. Connect a +1.65V to +3.6V supply to VL. Bypass VL to
GND with a 0.1F ceramic capacitor.
2
1
SPD
Speed-Selector Input. Connect SPD to GND to select the low-speed data rate (1.5Mbps).
Connect SPD to VL to select the full-speed data rate (12Mbps).
3
2
RCV
Differential-Receiver Output. RCV responds to the differential input on D+ and D- (Tables 3 and
4). RCV asserts low if SUS = VL.
43
VP
Receiver Output/Driver Input. VP functions as a receiver output when
OE = VL. VP duplicates D+
when receiving. VP functions as a driver input when
OE = GND.
54
VM
Receiver Output/Driver Input. VM functions as a receiver output when
OE = VL. VM duplicates D-
when receiving. VM functions as a driver input when
OE = GND.
6
5, 8, 16
N.C.
No Connection. Not internally connected.
7
6
GND
Ground
8
7
SUS
Suspend Input. Drive SUS low for normal operation. Drive SUS high to put the MAX3450E/
MAX3451E/MAX3452E into suspend mode. RCV asserts low in suspend mode. VP and VM
remain active in suspend mode.
99
OE
Output Enable. Drive
OE to GND to enable the transmitter outputs. Drive OE to VL to disable the
transmitter outputs.
OE also controls the I/O direction of VP and VM (Tables 3 and 4).
10
D-
USB Input/Output. For
OE = GND, D- functions as a USB output, with VM providing the input signal. For
OE = VL, D- functions as a USB input, with VM functioning as a single-ended receiver output. Connect a
1.5k
Ω resistor from D- to VTRM for low-speed (1.5Mbps) operation (MAX3450E and MAX3452E).
11
D+
USB Input/Output. For
OE = GND, D+ functions as a USB output, with VP providing the input signal. For
OE = VL, D+ functions as a USB input, with VP functioning as a single-ended receiver output. Connect
a 1.5k
Ω resistor from D+ to VTRM for full-speed (12Mbps) operation (MAX3450E and MAX3452E).
12
VTRM
Internal Regulator Output. VTRM provides a regulated +3.3V output. Bypass VTRM to GND with a
1F (min) ceramic capacitor as close to the device as possible. VTRM normally derives power
from VBUS. Alternatively, drive VTRM directly with a +3.3V
±10% supply (MAX3450E and MAX3451E).
VTRM provides power to internal circuitry and provides the pullup voltage for an external USB
pullup resistor (MAX3450E and MAX3452E). Do not use VTRM to power external circuitry.
N.C.
No Connection. Not internally connected (MAX3450E).
ENUM
Enumerate Function Selection Input (MAX3451E). Drive ENUM to VL to connect the internal 1.5k
Ω
resistor between VTRM and D+ or D-, depending on the SPD state. Drive ENUM to GND to
disconnect the internal 1.5k
Ω resistor. For SPD = VL, the 1.5kΩ pullup resistor connects to D+.
For SPD = GND, the 1.5k
Ω pullup resistor connects to D-.
13
BD
Bus-Detection Output (MAX3452E). The push-pull BD output asserts low and the device enters
sharing mode if VBUS < +3.6V. BD asserts high if VBUS > +4.0V.
14
VBUS
USB Power-Supply Input. Connect a +4.0V to +5.5V power supply to VBUS. VBUS provides power
to the internal linear regulator. Bypass VBUS to GND with a 0.1F ceramic capacitor as close to
the device as possible. Connect VBUS and VTRM together when powering the MAX3450E or
MAX3451E with an external power supply (+3.3V
±10%).
—
EP
Exposed Pad. Connect exposed pad to ground.
Pin Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3451EEUD+ | 功能描述:USB 接口集成电路 USB Transceiver RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3451EEUD+T | 功能描述:USB 接口集成电路 USB Transceiver RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3451EEUD-T | 功能描述:USB 接口集成电路 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3452EETE | 功能描述:USB 接口集成电路 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3452EETE+ | 功能描述:USB 接口集成电路 USB Transceiver RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
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