參數資料
| 型號： | ISL32177EIRZ |
| 廠商： | Intersil |
| 文件頁數： | 16/22頁 |
| 文件大小： | 0K |
| 描述： | IC RCVR RS485/422 QD ESD 24QFN |
| 標準包裝： | 75 |
| 類型： | 接收器 |
| 驅動器/接收器數： | 0/4 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 3 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤 |
| 供應商設備封裝： | 24-QFN 裸露焊盤（4x4） |
| 包裝： | 管件 |
3
FN7529.1
March 14, 2013
Pin Descriptions
ISL32173E,
ISL32273E
PIN NUMBER
ISL32175E,
ISL32275E
PIN NUMBER
ISL32177E,
ISL32277E
PIN NUMBER
PIN
FUNCTION
4, 12
-
4, 15
EN, EN
Group driver output enables, that are internally pulled high to
VCC. All receiver outputs are enabled by driving EN high OR EN
low, and the outputs are all high impedance when EN is low AND
EN is high (i.e., if using only the active high EN, connect EN to
VCC or VL through a 1kΩ resistor; if using only the active low EN,
connect EN directly to GND). If the group enable function isn’t
required, connect EN to VCC (or VL) through a 1kΩ or greater
resistor, or connect EN directly to GND. (ISL32X73E and
ISL32X77E only)
-
4, 12
-
EN12, EN34 Paired driver output enables, that are internally pulled high to
VCC. Driving EN12 (EN34) high enables the channel 1 and 2
(3 and 4) RO outputs. Driving EN12 (EN34) low disables the
channel 1 and 2 (3 and 4) outputs. If the enable function isn’t
required, connect EN12 and EN34 to VCC (or VL) through a 1kΩ
or greater resistor. (ISL32X75E only).
-
2, 3,
16, 17
EN1, EN2,
EN3, EN4
Individual receiver output enables that are internally pulled high
to VCC. Forcing ENX high (along with EN high OR EN low) enables
the channel X output (ROX). Driving ENX low disables the
channel X output, regardless of the states of EN and EN. If the
individual channel enable function isn’t required, connect ENX to
VCC (or VL) through a 1kΩ or greater resistor. (ISL32X77E only)
-
9
SHDNEN
Low power SHDN mode enable that is internally pulled high to
VCC. A high level allows the ISL32X77E to enter a low power
mode when all channels are disabled. A low level prevents the
device from entering the low power mode. (ISL32X77E only)
3, 5,
11, 13
3, 5,
11, 13
1, 6,
13, 18
RO1, RO2,
RO3, RO4
Channel X receiver output: If A - B ≥ 200mV, RO is high;
If A - B ≤ -200mV, RO is low. RO = High if A and B are unconnected
(floating).
8
10, PAD
GND
Ground connection. This is also the potential of the QFN thermal
pad.
2, 6,
10, 14
2, 6,
10, 14
24, 7,
12, 19
A1, A2,
A3, A4
±16.5kV IEC61000-4-2 ESD Protected RS-485/422 level,
channel X noninverting receiver input.
1, 7,
9, 15
1, 7,
9, 15
23, 8,
11, 20
B1, B2,
B3, B4
±16.5kV IEC61000-4-2 ESD Protected RS-485/422 level,
channel X inverting receiver input.
16
22
VCC
System power supply input (3.0V to 5.5V). On devices with a VL
pin powered from a separate supply, power up VCC first.
--
21
VL
Logic power supply input (1.4V to VCC) that powers all the
TTL/CMOS inputs and outputs (logic pins). VL sets the VIH and
VIL levels of the enable and SHDNEN pins, and sets the VOH level
of the RO pins. Connect the VL pin to the lower voltage power
supply of a logic device (e.g., UART or controller) interfacing
with the ISL32X77E logic pins. If VL and VCC are different
supplies, power up this supply after VCC, and keep VL ≤ VCC. To
minimize input current and SHDN supply current, logic pins that
are strapped high externally (preferably through a 1kΩ resistor)
should connect to VCC, but they may also connect to VL.
(ISL32X77E only)
-
5, 14
NC
No Connection.
ISL32173E, ISL32175E, ISL32177E, ISL32273E, ISL32275E, ISL32277E
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| ISL32177EIRZ-T | 功能描述:IC RCVR RS485/422 QD ESD 24QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:發(fā)射器 驅動器/接收器數:4/0 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL32179E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, Low Power, RS-422 Transmitters |
| ISL32179EFRZ | 功能描述:IC XMITTER ESD RS422 LP 24-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:發(fā)射器 驅動器/接收器數:4/0 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL32179EFRZ-T | 功能描述:IC XMITTER ESD RS422 LP 24-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:發(fā)射器 驅動器/接收器數:4/0 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL32179EIRZ | 功能描述:IC XMITTER ESD RS422 LP 24-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:發(fā)射器 驅動器/接收器數:4/0 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
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