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參數(shù)資料
| 型號： | LTC1685CS8 |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 PREC DELAY 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 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： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
5
LTC1685
TYPICAL PERFORMANCE CHARACTERISTICS
UW
DI (Pin 4): Driver Input. Controls the states of the A and
B outputs only if DE = High. If DE = Low, DI will have no
effect on A and B pins. Do not float.
GND (Pin 5): Ground.
A (Pin 6): Noninverting Receiver Input/Driver Output.
B (Pin 7): Inverting Receiver Input/Driver Output.
VDD (Pin 8): Positive Supply, 5V to ±5%. Bypass with
0.1
F ceramic capacitor.
PIN FUNCTIONS
UU
U
RO (Pin 1): Receiver Output. If A
≥ B by 300mV, then RO
will be high. If A
≤ B by 300mV, then RO will be low.
RE (Pin 2): Receiver Enable. RE = Low enables the
receiver. RE = High forces receiver output into high
impedance state. Do not float.
DE (Pin 3): Driver Enable. DE = High enables the driver.
DE = Low will force the driver output into a high impedance
state and the device will function as a line receiver if RE is
also low. Do not float.
Driver Propagation Delay
vs Temperature
Driver Propagation Delay
vs Driver Input Voltage
DRIVER INPUT VOLTAGE (V)
2.5
PROPAGATION
DELAY
(ns)
15
20
25
4.5
1685 G08
10
5
0
3.0
3.5
4.0
5.0
tLH
VDD = 5V
INPUT THRESHOLD = 1.5V
TA = 25°C
tHL
Driver Propagation Delay
vs Capacitive Load
LOAD CAPACITANCE (pF)
5
16.0
PROPAGATION
DELAY
(ns)
16.5
17.0
17.5
18.0
19.0
15
25
50
75
1685 G11
100
150
18.5
TA = 25°C
Receiver Maximum Data Rate
vs Input Overdrive
Receiver Propagation Delay
vs Temperature
TEMPERATURE (
°C)
–50
–25
0
PROPAGATION
DELAY
(ns)
10
25
0
50
75
1680 G09
5
20
15
25
100
125
RECEIVER INPUT DIFFERENTIAL (V)
0.3
40
50
70
0.6
1.0
1685 G10
30
20
0.4
0.5
0.7
1.5
2.5
10
0
60
DATA
RATE
(Mbps)
TA = 25°C
TEMPERATURE (
°C)
–20
–40
0
PROPAGATION
DELAY
(ns)
5
10
15
20
25
0
20
40
60
1685 G07
80
100
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1685CS8#PBF | 功能描述:IC TXRX RS485 PREC DELAY 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| LTC1685CS8#TR | 功能描述:IC TXRX RS485 PREC DELAY 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| LTC1685CS8#TRPBF | 功能描述:IC TXRX RS485 PREC DELAY 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| LTC1685CS830506PBF | 制造商:Linear Technology 功能描述: |
| LTC1685CS8PBF | 制造商:Linear Technology 功能描述:RS485 fail-safe transceiver,LTC1685CS8 |
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