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參數(shù)資料
| 型號： | ADM487EWARZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX HALF DUP RS485/422 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 98 |
| 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-SO |
| 包裝： | 管件 |
ADM485E/ADM487E/ADM1487E
Rev. B | Page 3 of 16
SPECIFICATIONS
VCC = 5 V ± 10%, TA = TMIN to TMAX, unless otherwise noted.
Table 2. ADM485E/ADM487E/ADM1487E
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Differential Outputs
Differential Output Voltage (No Load)
VOD1
5
V
VOD2
2
V
RL = 50 Ω (RS-422)
Differential Output Voltage (with Load)
1.5
5
V
Δ |VOD| for Complementary Output States
0.2
V
Common-Mode Output Voltage
VOC
3
V
Δ |VOC| for Complementary Output States
0.2
V
Logic Inputs
Input High Voltage
VIH
2.0
V
DE, DI, RE
Input Low Voltage
VIL
0.8
V
DE, DI, RE
Logic Input Current1
IIN1
±2
μA
DE, DI, RE
RECEIVER
IIN2
1.0
mA
DE = 0 V, VIN = 12 V
0.8
mA
VCC = 0 V or 5.25 V, VIN = 7 V (ADM485E)
0.25
mA
DE = 0 V, VIN = 12 V
Input Current (A, B)
0.2
mA
VCC = 0 V or 5.25 V, VIN = 7 V
(ADM487E/ADM1487E)
Differential Inputs
Differential Input Threshold Voltage
VTH
0.2
+0.2
V
7 V < VCM < +12 V
Input Hysteresis
ΔVTH
70
mV
VCM = 0 V
Receiver Output Logic
Output Voltage High
VOH
3.5
V
IOUT = 4 mA, VID = +200 mV
Output Voltage Low
VOL
0.4
V
IOUT = +4 mA, VID = 200 mV
Three-State Output Leakage Current
IOZR
±1
μA
0.4 V < VO < 2.4 V
RIN
12
kΩ
7 V < VCM < +12 V (ADM485E)
Receiver Input Resistance
48
kΩ
7 V < VCM < +12 V (ADM487E/ADM1487E)
POWER SUPPLY
ICC
500
900
μA
RE = 0 V or VCC, DE = VCC (ADM485E)
300
500
μA
RE = 0 V or VCC, DE = 0 V (ADM485E)
300
500
μA
RE = 0 V or VCC, DE = VCC (ADM1487E)
230
400
μA
RE = 0 V or VCC, DE = 0 V (ADM1487E)
250
400
μA
RE = 0 V or VCC, DE = VCC (ADM487E)
No Load Supply Current
120
250
μA
RE = 0 V, DE = 0 V (ADM487E)
Supply Current in Shutdown
ISHDN
0.5
10
μA
DE = 0 V, RE = VCC (ADM487E)
Driver Short-Circuit Current, VO High
IOSD1
35
250
mA
7 V ≤ VO ≤ +12 V, applies to peak current
Driver Short-Circuit Current, VO Low
IOSD2
35
250
mA
7 V ≤ VO ≤ +12 V, applies to peak current
Receiver Short-Circuit Current
IOSR
7
95
mA
0 V ≤ VO ≤ VCC
ESD PROTECTION
A, B
±15
kV
Human body model
1 Supply voltage is 5 V ± 5%.
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| ADM487EWARZ-REEL7 | 功能描述:IC TXRX HALF DUP RS485/422 8SOIC 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:121 系列:- 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:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
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| ADM488ABRMZ | 功能描述:IC TXRX RS485/422 DIFF 10MSOP 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:121 系列:- 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:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| ADM488ABRMZ-REEL7 | 功能描述:IC TXRX RS485/422 DIFF 10MSOP 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:121 系列:- 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:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
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