參數資料
型號: LTC2861CGN#PBF
廠商: Linear Technology
文件頁數: 17/18頁
文件大?。?/td> 0K
描述: IC TXRX RS485 20MBPS 16-SSOP
標準包裝: 100
類型: 收發(fā)器
驅動器/接收器數: 1/1
規(guī)程: RS485
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 16-SSOP
包裝: 管件
產品目錄頁面: 1355 (CN2011-ZH PDF)
LTC2859/LTC2861
8
285961fc
RO(Pin1):ReceiverOutput.Ifthereceiveroutputisenabled
(RE low) and A > B by 200mV, then RO will be high. If A
< B by 200mV, then RO will be low. If the receiver inputs
are open, shorted, or terminated without a valid signal, RO
will be high.
RE (Pin 2): Receiver Enable. A low enables the receiver.
A high input forces the receiver output into a high imped-
ance state.
DE (Pin 3): Driver Enable. A high on DE enables the driver.
A low input will force the driver outputs into a high imped-
ance. If RE is high with DE and TE LOW, the part will enter
a low power shutdown state.
DI (Pin 4): Driver Input. If the driver outputs are enabled
(DE HIGH), then a low on DI forces the driver positive
output LOW and negative output HIGH. A high on DI,
with the driver outputs enabled, forces the driver positive
output HIGH and negative output LOW.
(DD/DE/GN)
TE (Pin 5): Internal Termination Resistance Enable. A high
input will connect a termination resistor (120 typical)
between pins A and B.
GND (Pins 6,11/6,13/6): Ground. Pins 11 and 13 are
backside thermal pad, connected to Ground.
SLO (Pins 7/7/11): Driver Slew Rate Control. A low input
will force the driver into a reduced slew rate mode.
Y (Pins -/8/12): Positive Driver Output for LTC2861.
Z (Pins -/9/13): Negative Driver Output for LTC2861.
B (Pins 9/10/14): Negative Receiver Input (and Negative
Driver Output for LTC2859).
A (Pins 8/11/15): Positive Receiver Input (and Positive
Driver Output for LTC2859).
VCC (Pins 10/12/16): Positive Supply. 4.5V < VCC < 5.5V.
Bypass with 0.1F ceramic capacitor.
pin FuncTions
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