参数资料
型号: ADM3222ARUZ-REEL7
厂商: Analog Devices Inc
文件页数: 10/16页
文件大小: 0K
描述: IC TXRX RS-232 3.3V W/SD 20TSSOP
标准包装: 1,000
类型: 收发器
驱动器/接收器数: 2/2
规程: RS232
电源电压: 3 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
ADM3202/ADM3222/ADM1385
Rev. E | Page 3 of 16
SPECIFICATIONS
VCC = 3.3 V ± 0.3 V, C1 to C4 = 0.1 μF. All specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DC CHARACTERISTICS
Operating Voltage Range
3.0
3.3
5.5
V
VCC Power Supply Current
1.3
3
mA
No load
8
12
mA
RL = 3 kΩ to GND
Shutdown Supply Current
0.01
0.5
μA
LOGIC
Input Logic Threshold Low, VINL
0.8
V
TIN
Input Logic Threshold High, VINH
2.0
V
TIN
CMOS Output Voltage Low, VOL
0.4
V
IOUT = 1.6 mA
CMOS Output Voltage High, VOH
VCC 0.6
V
IOUT = 1 mA
Logic Pull-Up Current
5
10
μA
TIN = GND to VCC1
Output Leakage Current
±10
μA
Receivers disabled
RS-232 RECEIVER
EIA-232 Input Voltage Range
30
+30
V
EIA-232 Input Threshold Low
0.6
1.2
V
EIA-232 Input Threshold High
1.6
2.4
V
EIA-232 Input Hysteresis
0.4
V
EIA-232 Input Resistance
3
5
7
RS-232 TRANSMITTER
Output Voltage Swing (RS-232)
±5.0
±5.2
V
VCC = 3.3 V, all transmitter outputs loaded with 3 kΩ to ground
Output Voltage Swing (RS-562)
±3.7
V
VCC = 3.0 V
Transmitter Output Resistance
300
Ω
VCC = 0 V, VOUT = ±2 V
RS-232 Output Short-Circuit Current
±15
mA
Output Leakage Current
±25
μA
SD = low, VOUT = 12 V
TIMING CHARACTERISTICS
Maximum Data Rate
460
kbps
VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, one
Tx switching
Receiver Propagation Delay
TPHL
0.4
1
μs
TPLH
0.4
1
μs
Transmitter Propagation Delay
0.3
1.2
μs
RL = 3 kΩ, CL = 1000 pF
Receiver Output Enable Time
200
ns
Receiver Output Disable Time
200
ns
Transmitter Skew
30
ns
Receiver Skew
300
ns
Transition Region Slew Rate
5.5
10
30
V/μs
Measured from +3 V to 3 V or 3 V to +3 V, VCC = +3.3 V;
RL = 3 kΩ, CL = 1000 pF, TA = 25°C
1 ADM1385: Input leakage current typically 10 μA when TIN = GND.
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