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參數(shù)資料
型號： ADM488ABRZ-REEL7
廠商： Analog Devices Inc
文件頁數(shù)： 10/16頁
文件大?。?/td> 0K
描述： IC TXRX RS485/422 DIFF SGL 8SOIC
標(biāo)準(zhǔn)包裝： 1,000
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 4.5 V ~ 5.5 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： 帶卷 (TR)
ADM488A/ADM489A
Rev. A | Page 3 of 16
SPECIFICATIONS
VCC = 5 V ± 10%; all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Differential Output Voltage
VOD
5.0
V
R = ∞, see Figure 11
2.0
5.0
V
VCC = 5 V, R = 50 (RS-422), see Figure 11
1.5
5.0
V
R = 27 (RS-485), see Figure 11
1.5
5.0
V
VTST = –7 V to +12 V, see Figure 12, VCC = 5 V ± 5%
Δ|VOD| for Complementary Output States
0.2
V
R = 27 or 50 , see Figure 11
Common-Mode Output Voltage
VOC
3.0
V
R = 27 or 50 , see Figure 11
Δ|VOC| for Complementary Output States
0.2
V
R = 27 or 50
Output Short-Circuit Current
VOUT
250
mA
7 V ≤ VO ≤ +12 V
CMOS Input Logic Threshold Low
VINL
1.4
0.8
V
CMOS Input Logic Threshold High
VINH
2.0
1.4
V
Logic Input Current (DE, DI)
±1.0
A
RECEIVER
Differential Input Threshold Voltage
VTH
0.2
+0.2
V
7 V ≤ VCM ≤ +12 V
Input Voltage Hysteresis
ΔVTH
70
mV
VCM = 0 V
Input Resistance
12
k
7 V ≤ VCM ≤ +12 V
Input Current (A, B)
1
mA
VIN = 12 V
0.8
mA
VIN = 7 V
Logic Enable Input Current (RE)
±1
A
CMOS Output Voltage Low
VOL
0.4
V
IOUT = +4.0 mA
CMOS Output Voltage High
VOH
4.0
V
IOUT = 4.0 mA
Short-Circuit Output Current
7
85
mA
VOUT = GND or VCC
Three-State Output Leakage Current
±1.0
A
0.4 V ≤ VOUT ≤ 2.4 V
POWER SUPPLY CURRENT
ICC
Outputs unloaded, receivers enabled
30
60
A
DE = 0 V (disabled)
37
74
A
DE = 5 V (enabled)
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參數(shù)描述
ADM488AN 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:IC CMOS BUS TRANSCEIVER DIP8 488 制造商:Analog Devices Inc. 功能描述:Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers
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