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參數(shù)資料
| 型號： | ADM238LJRZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS-232 4:4 5V LP 24SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 4/4 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 帶卷 (TR) |
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
Output Disable Time (TDIS)
50
ns
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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