參數(shù)資料
型號(hào)： ADM231LAR
廠商： ANALOG DEVICES INC
元件分類(lèi)： Buffer和線驅(qū)動(dòng)
英文描述： 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
中文描述： DUAL LINE TRANSCEIVER, PDSO16
封裝： MS-013AA, SOIC-16
文件頁(yè)數(shù)： 16/22頁(yè)
文件大小： 505K
代理商： ADM231LAR
ADM231L–ADM234L/ADM236L–ADM241L
Rev. C | Page 3 of 20
SPECIFICATIONS
VCC = 5 V ± 10% (ADM231L, ADM232L, ADM234L, ADM236L, ADM238L, ADM239L, ADM241L); VCC = 5 V ± 5% (ADM233L and
ADM237L); V+ = 7.5 V to 13.2 V (ADM231L and ADM239L); C1 to C4 = 1.0 F ceramic. All specifications TMIN to TMAX, unless
otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
Output Voltage Swing
±5
±9
V
All transmitter outputs loaded with 3 k to ground
VCC Power Supply Current
2.5
6.0
mA
No load, (ADM232L only)
3.5
13
mA
No load
V+ Power Supply Current
1.5
4
mA
No load, V+ = 12 V (ADM231L and ADM239L only)
Shutdown Supply Current
1
10
A
Input Logic Threshold Low, VINL
0.8
V
TIN, EN, SD, EN, SD
Input Logic Threshold High, VINH
2.0
V
TIN, EN, SD, EN, SD
Logic Pull-Up Current
12
25
A
RS-232 Input Voltage Range1
–30
+30
V
TIN = 0 V
RS-232 Input Threshold Low
0.8
1.2
V
RS-232 Input Threshold High
1.6
2.4
V
RS-232 Input Hysteresis
0.65
V
RS-232 Input Resistance
3
5
7
k
TA = 0°C to 85°C
TTL/CMOS Output Voltage Low, VOL
0.4
V
TTL/CMOS Output Voltage High, VOH
3.5
V
IOUT = 1.0 mA
TTL/CMOS Output Leakage Current
+0.05
±10
A
EN = VCC, 0 V ≤ ROUT ≤ VCC
Output Enable Time (TEN)
250
ns
ADM236L, ADM239L, ADM241L (Figure 31, CL = 150 pF)
Output Disable Time (TDIS)
50
ns
ADM236L, ADM239L, ADM241L (Figure 31, RL = 1 k)
Propagation Delay
0.3
s
RS-232 to TTL
Transition Region Slew Rate
8
V/s
RL = 3 k, CL = 2500 pF, measured from +3 V to 3 V or 3 V to +3 V
Output Resistance
300
VCC = V+ = V– = 0 V, VOUT = ±2 V
RS-232 Output Short-Circuit Current
±10
mA
1 Guaranteed by design.
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