ADM1385 View Datasheet(PDF) - Analog Devices
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Description
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ADM1385 Datasheet PDF : 16 Pages
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ADM3202/ADM3222/ADM1385
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
DC CHARACTERISTICS
Operating Voltage Range
VCC Power Supply Current
Shutdown Supply Current
LOGIC
Input Logic Threshold Low, VINL
Input Logic Threshold High, VINH
CMOS Output Voltage Low, VOL
CMOS Output Voltage High, VOH
Logic Pull-Up Current
Output Leakage Current
RS-232 RECEIVER
EIA-232 Input Voltage Range
EIA-232 Input Threshold Low
EIA-232 Input Threshold High
EIA-232 Input Hysteresis
EIA-232 Input Resistance
RS-232 TRANSMITTER
Output Voltage Swing (RS-232)
Output Voltage Swing (RS-562)
Transmitter Output Resistance
RS-232 Output Short-Circuit Current
Output Leakage Current
TIMING CHARACTERISTICS
Maximum Data Rate
Receiver Propagation Delay
TPHL
TPLH
Transmitter Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Receiver Skew
Transition Region Slew Rate
Min
Typ Max Unit Test Conditions/Comments
3.0
3.3 5.5 V
1.3 3
mA No load
8
12 mA RL = 3 kΩ to GND
0.01 0.5 μA
2.0
VCC − 0.6
5
0.8 V
V
0.4 V
V
10 μA
±10 μA
TIN
TIN
IOUT = 1.6 mA
IOUT = −1 mA
TIN = GND to VCC1
Receivers disabled
−30
+30 V
0.6
1.2
V
1.6 2.4 V
0.4
V
3
5
7
kΩ
±5.0
±5.2
V
VCC = 3.3 V, all transmitter outputs loaded with 3 kΩ to ground
±3.7
V
VCC = 3.0 V
300
Ω
VCC = 0 V, VOUT = ±2 V
±15
mA
±25 μA SD = low, VOUT = 12 V
460
kbps VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, one
Tx switching
0.4 1
μs
0.4 1
μs
0.3 1.2 μs RL = 3 kΩ, CL = 1000 pF
200
ns
200
ns
30
ns
300
ns
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.
Rev. E | Page 3 of 16
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