參數(shù)資料
型號(hào): LTC1688CS
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 通用總線功能
英文描述: 100Mbps RS485 Hot Swapable Quad Drivers
中文描述: QUAD LINE DRIVER, PDSO16
封裝: 0.150 INCH, PLASTIC, SO-16
文件頁(yè)數(shù): 5/12頁(yè)
文件大?。?/td> 160K
代理商: LTC1688CS
5
LTC 1688/LTC 1689
PI
FU
CTIO
N
S
U
U
DI1 (Pin 1):
Driver 1 Input. Do not float.
DO1A (Pin 2):
Driver 1 Noninverting Output.
DO1B (Pin 3):
Driver 1 Inverting Output.
EN (Pin 4, LTC1688):
High True Enable Pin, enables all
four drivers. A low on Pin 4 and a high on Pin 12 will put
all driver outputs into a high impedance state. See
Function Tables for details. Do not float.
EN12 (Pin 4, LTC1689):
Enables Drivers 1 and 2. A low on
Pin 4 will put the outputs of drivers 1 and 2 into a high
impedance state. See Function Tables for details. Do not
float.
DO2B (Pin 5):
Driver 2 Inverting Output.
DO2A (Pin 6):
Driver 2 Noninverting Output.
DI2 (Pin 7):
Driver 2 Input. Do not float.
GND (Pin 8):
Ground Connection. A good ground plane is
recommended for all applications.
DI3 (Pin 9):
Driver 3 Input. Do not float.
DO3A (Pin 10):
Driver 3 Noninverting Output.
DO3B (Pin 11):
Driver 3 Inverting Output.
ENB (Pin 12, LTC1688):
Low True Enable Pin, enables all
four drivers. A low on Pin 4 and a high on Pin 12 will put
all driver outputs into a high impedance state. See
Function Tables for details. Do not float.
EN34 (Pin 12, LTC1689):
Enables Drivers 3 and 4. A low
on Pin 12 will put the outputs of drivers 3 and 4 into a high
impedance state. See Function Tables for details. Do not
float.
DO4B (Pin 13):
Driver 4 Inverting Output.
DO4A (Pin 14):
Driver 4 Noninverting Output.
DI4 (Pin 15):
Driver 4 Input. Do not float.
V
DD
(Pin 16):
Power Supply Input. This pin should be
bypassed with a 0.1
μ
F ceramic capacitor as close to the
pin as possible. Recommended: V
DD
= 3V to 5.25V.
FU CTIO TABLES
LTC1688
INPUTS
EN
H
H
X
X
L
OUTPUTS
DI
H
L
H
L
X
ENB
X
X
L
L
H
OUTA
H
L
H
L
HI-Z
OUTB
L
H
L
H
HI-Z
LTC1689
INPUTS
OUTPUTS
DI
H
L
X
EN12/EN34
H
H
L
OUTA
H
L
HI-Z
OUTB
L
H
HI-Z
1688/89 TC03
OUTPUT
UNDER TEST
C
L
S1
500
DD
V
S2
1688/89 TC01
A
B
R
R
OD
V
OC
V
Figure 1. Driver DC Test Load
Figure 3. Driver Timing Test Load
DRIVER
1688/89 TC02
ENB (EN34)
DI
A
B
EN (EN12)
R
DIFF
C
L1
C
L2
Figure 2. Driver Timing Test Circuit
TEST CIRCUITS
相關(guān)PDF資料
PDF描述
LTC1689CS 100Mbps RS485 Hot Swapable Quad Drivers
LTC1688 100Mbps RS485 Hot Swapable Quad Drivers(100Mbps RS485熱交換四路驅(qū)動(dòng)器)
LTC1689 100Mbps RS485 Hot Swapable Quad Drivers(100Mbps RS485熱交換四路驅(qū)動(dòng)器)
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