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PDF ADUM5200 Data sheet ( Hoja de datos )
| Número de pieza | ADUM5200 | |
| Descripción | (ADUM5200 - ADUM5202) Dual-Channel Isolators | |
| Fabricantes | Analog Devices | |
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Preliminary Technical Data
Dual-Channel Isolators with
Integrated DC/DC Converter
ADuM5200/5201/5202
FEATURES
isoPower™ integrated isolated DC/DC converter
Regulated 3V or 5V output
500mW output power
Dual dc-to-25 Mbps (NRZ) signal isolation channels
Schmitt Trigger Inputs
www.DataSheeSt4OUIC.co1m6-lead package with > 8mm creepage
High temperature operation: 105°C
High common-mode transient immunity: > 25 kV/μs
Safety and regulatory approvals (pending)
UL recognition
2500 V rms for 1 minute per UL 1577
CSA component acceptance notice #5A
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 560 V peak
APPLICATIONS
RS-232/RS-422/RS-485 transceiver
Industrial field bus isolation
Power Supply start up and Gate Drive
Isolated Sensor Interface
Industrial PLC
GENERAL DESCRIPTION
The ADuM520x1 are dual-channel digital isolators with
isoPower, an integrated, isolated DC/DC converter. Based on
Analog Devices’ iCoupler® technology, the DC/DC converter
provides up to 500 mW of regulated, isolated power at either
5.0V from a 5.0V input supply or 3.3V from a 3.3V or 5.0V
supply. This eliminates the need for a separate isolated DC/DC
converter in low-power isolated designs. Analog Devices’ chip-
scale transformer iCoupler technology is used both for the
isolation of the logic signals as well as for the DC/DC converter.
The result is a small form-factor total-isolation solution.
ADuM520x units may be used in combination with ADuM540x
and ADuM5000 with isoPower to achieve higher output power
levels and greater channel counts.
The ADuM520x isolators provide two independent isolation
channels in a variety of channel configurations and data rates
(see Ordering Guide).
FUNCTIONAL BLOCK DIAGRAMS
Figure 1ADuM520x Functional Diagrams
1 Protected by U.S. Patents 5,952,849, 6,873,065. and 7075 329 B2, Other
patents pending.
Rev. PrA
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.
1 page  
Preliminary Technical Data
ADuM5200/5201/5202
ELECTRICAL CHARACTERISTICS – 3.3V PRIMARY INPUT SUPPLY / 3.3V SECONDARY ISOLATED SUPPLY1
3.0 V ≤ VDD1 ≤ 3.6 V, VSEL=GNDISO; all voltages are relative to their respective ground. All min/max specifications apply over the entire
recommended operating range, unless otherwise noted. All typical specifications are at TA = 25°C, VDD = 3.3 V, VISO = 3.3 V, VSEL=
GNDISO.
Table 2.
Parameter
Setpoint
Line Regulation
Load Regulation
Output Ripple
www.DataSheeOt4uUtp.cuotmNoise
Switching Frequency
PWM Frequency
DC to 2 Mbps Data Rate2
Maximum Output Supply Current3
Efficiency At Max. Output Supply Current4
IDD1 Supply Current, No VISO load5
25 Mbps Data Rate (CRWZ Grade Only)
IDD1 Supply Current, No VISO Load6
ADuM5200
ADuM5201
ADuM5202
Available VISO Supply Current7
ADuM5200
ADuM5201
ADuM5202
IDD1 Supply Current, Full VISO load8
Symbol
VISO
VISO(LINE)
VISO(LOAD)
VISO(RIP)
VISO(N)
fOSC
fPWM
IISO(max)
IDD1(Q)
Min
3.13
60
IDD1(D)
IDD1(D)
IDD1(D)
IISO(LOAD)
IISO(LOAD)
IISO(LOAD)
IDD1(Max)
Typ Max Unit Test Conditions
3.3 3.37 V
IISO=0mA
1 mV/V IISO=37.5 mA, VDD1=3.0V to 3.6V
15
50
130
%
mVP-P
mVP-P
IISO = 6mA to 54mA
20MHz Bandwidth, CBO=0.1μF ║ 10μF,
IISO = 90mA
20MHz Bandwidth, CBO=0.1μF ║ 10μF,
IISO = 90mA
180 MHz
625 kHz
36
10 20
mA f ≤ 1 MHz, VISO=3.15V
% IISO = IISO(2,max), f ≤ 1 MHz
mA IISO = 0mA, f ≤ 1 MHz
23 mA IISO = 0mA, CL=15pF, f = 12.5 MHz
25 mA IISO = 0mA, CL=15pF, f = 12.5 MHz
28 mA IISO = 0mA, CL=15pF, f = 12.5 MHz
106 mA CL=15pF, f = 12.5 MHz
105 mA CL=15pF, f = 12.5 MHz
103 mA CL=15pF, f = 12.5 MHz
175 mA CL=0pF, f = 0 MHz, VDD = 3.3V,
IISO=60mA
Input Currents
Logic High Input Threshold
Logic Low Input Threshold
Logic High Output Voltages
Logic Low Output Voltages
IIA, IIB
VIH
VIL
VOAH, VOBH
VOAH, VOBH
VOAL, VOBL
VOAL, VOBL
−10
0.7 × VISO,
0.7 × VIDD1
VDD1 − 0.2,
VISO − 0.2
VDD1 − 0.5,
V1SO − 0.5
+0.01
5.0
4.8
0.0
0.0
+10
0.3 ×
VISO,
0.3 ×
VIDD1
0.1
0.4
μA
V
V
V
V
V
V
IOx = −20 μA, VIx = VIxH
IOx = −4 mA, VIx = VIxH
IOx = 20 μA, VIx = VIxL
IOx = 4 mA, VIx = VIxL
AC SPECIFICATIONS
ADuM520xARWZ
Minimum Pulse Width9
Maximum Data Rate10
Propagation Delay11
Pulse-Width Distortion, |tPLH − tPHL|11
Propagation Delay Skew12
Channel-to-Channel Matching13
ADuM520xCRWZ
PW
tPHL, tPLH
PWD
tPSK
tPSKCD/OD
1
1000 ns
CL = 15 pF, CMOS signal levels
Mbps CL = 15 pF, CMOS signal levels
60 100 ns CL = 15 pF, CMOS signal levels
40 ns CL = 15 pF, CMOS signal levels
50 ns CL = 15 pF, CMOS signal levels
50 ns CL = 15 pF, CMOS signal levels
Rev. PrA | Page 5 of 23
5 Page 
Preliminary Technical Data
ABSOLUTE MAXIMUM RATINGS
Ambient temperature = 25°C, unless otherwise noted.
Table 9.
Parameter
Storage Temperature (TST)
Ambient Operating Temperature (TA)
Supply Voltages (VDD, VISO)1
Input Voltage
(VIA, VIB, VE1, VE2,RCSEL, VSEL)1, 2
Output Voltage
(VOA, VOB)1, 2
www.DataSheeAt4vUe.rcaogme Output Current per Pin3
Side 1 (IO1)
Side 2(IOISO)
Common-Mode Transients4
Rating
−55°C to +150°C
−40°C to +105°C
−0.5 V to +7.0 V
−0.5 V to VDDI + 0.5 V
−0.5 V to VDDO + 0.5 V
−18 mA to +18 mA
−22 mA to +22 mA
−100 kV/μs to +100 kV/μs
1 All voltages are relative to their respective ground.
2 VDDI and VDDO refer to the supply voltages on the input and output sides of a
given channel, respectively. See the PC Board Layout section.
3 See Figure 2 for maximum rated current values for various temperatures.
4 Refers to common-mode transients across the insulation barrier. Common-
mode transients exceeding the Absolute Maximum Ratings may cause latch-
up or permanent damage.
ADuM5200/5201/5202
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
Table 10. Maximum Continuous Working Voltage1
Parameter
AC Voltage, Bipolar Waveform
AC Voltage, Unipolar Waveform
Basic Insulation
Reinforced Insulation
DC Voltage
Basic Insulation
Reinforced Insulation
Max Unit
Constraint
424 V peak 50-year minimum lifetime
600 V peak Maximum approved working voltage per IEC 60950-1
560 V peak Maximum approved working voltage per IEC 60950-1 and VDE
V 0884-10
600 V peak Maximum approved working voltage per IEC 60950-1
560 V peak Maximum approved working voltage per IEC 60950-1 and VDE
V 0884-10
1 Refers to continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more details.
Table 11. Truth Table (Positive Logic)
RCIN
Input
RCSEL
Output
VSEL
VDDI
VISO
VIX
Input1 Input Output Input
X H H 5.0V 5.0V X
X H L 5.0V 3.3V X
X H H 3.3V 5.0V X
X H L 3.3V 3.3V X
EXT-PWM L
XXXX
L L L X 0V X
X X XXXH
X X XXXL
H L XXXX
VOX
Output
X
X
X
X
X
X
H
L
X
Notes
Master mode operation, Self Regulating
Master mode operation, Self Regulating
Master mode operation, Self Regulating
Master mode operation, Self Regulating
Slave mode operation, Regulation from another isoPower part.
Low power mode, Converter disabled
Data outputs valid for any active power configuration.
Data outputs valid for any active power configuration
WARNING! This combination of RCIN and RCSEL is prohibited.
Damage will occur on the secondary due to exess output
voltage at VISO. RCin must be either Low or a PWM signal from a
master isoPower part..
Rev. PrA | Page 11 of 23
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet ADUM5200.PDF ] | |
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