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PDF ADUM5403 Data sheet ( Hoja de datos )
| Número de pieza | ADUM5403 | |
| Descripción | (ADUM5401 - ADUM5404) Quad-Channel Isolators | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ADUM5403 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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Quad-Channel Isolators with
Integrated DC-to-DC Converter
ADuM5401/ADuM5402/ADuM5403/ADuM5404
FEATURES
isoPower integrated, isolated dc-to-dc converter
Regulated 3.3 V or 5 V output
500 mW output power
Quad dc-to-25 Mbps (NRZ) signal isolation channels
Schmitt trigger inputs
16-lead SOIC package with >8 mm creepage
www.DataSheeHt4iUgh.cotemmperature 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 UL1577
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 startup bias and gate drive
Isolated sensor interface
Industrial PLC
GENERAL DESCRIPTION
The ADuM5401/ADuM5402/ADuM5403/ADuM54041 devices
are quad-channel digital isolators with isoPower™, an integrated,
isolated dc-to-dc converter. Based on the Analog Devices, Inc.,
iCoupler® technology, the dc-to-dc converter provides up to
500 mW of regulated, isolated power at either 5.0 V from a 5.0 V
input supply or 3.3 V from a 3.3 V supply. This eliminates the need
for a separate, isolated dc-to-dc converter in low power, isolated
designs. The iCoupler chip scale transformer technology is used
to isolate the logic signals and the magnetic components of the
dc-to-dc converter. The result is a small form factor, total isolation
solution.
The ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators
provide four independent isolation channels in a variety of
channel configurations and data rates (see the Ordering Guide
for more information).
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7075 329 B2. Other
patents pending.
FUNCTIONAL BLOCK DIAGRAMS
VDD1 1
GND1 2
I/OA 3
I/OB 4
I/OC 5
I/OD 6
NC 7
GND1 8
OSC
RECT REG
4 CHANNEL iCOUPLER CORE
ADuM5401/ADuM5402/
ADuM5403/ADuM5404
Figure 1.
16 VISO
15 GNDISO
14 I/OA
13 I/OB
12 I/OC
11 I/OD
10 VSEL
9 GNDISO
VIA VOA
3 14
VIB ADuM5401 VOB
4 13
VIC
5
VOC
12
VOD
6
VID
11
Figure 2. ADuM5401
VIA VOA
3 14
VIB ADuM5402 VOB
4 13
VOC
5
VIC
12
VOD
6
VID
11
Figure 3. ADuM5402
VIA VOA
3 14
VOB ADuM5403 VIB
4 13
VOC
5
VIC
12
VOD
6
VID
11
Figure 4. ADuM5403
VOA
VIA
3 14
VOB ADuM5404 VIB
4 13
VOC
5
VIC
12
VOD
6
VID
11
Figure 5. ADuM5404
Rev. 0
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  
ADuM5401/ADuM5402/ADuM5403/ADuM5404
ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY
3.0 V ≤ VDD1 ≤ 3.6 V, VSEL = GNDISO; all voltages are relative to their respective ground. All minimum/maximum specifications apply over
the entire recommended operating range, unless otherwise noted. All typical specifications are at TA = 25°C, VDD1 = 3.3 V, VISO = 3.3 V,
VSEL = GNDISO.
Table 2.
Parameter
DC-TO-DC CONVERTER POWER SUPPLY
Setpoint
Line Regulation
Load Regulation
Output Ripple
www.DataSheet4U.com
Output Noise
Switching Frequency
Pulse-Width Modulation Frequency
iCoupler DATA CHANNELS
DC to 2 Mbps Data Rate1
Maximum Output Supply Current2
Efficiency at Maximum Output Supply
Current3
IDD1 Supply Current, No VISO Load
25 Mbps Data Rate (CRWZ Grade Only)
IDD1 Supply Current, No VISO Load
ADuM5401
ADuM5402
ADuM5403
ADuM5404
Available VISO Supply Current4
ADuM5401
ADuM5402
ADuM5403
ADuM5404
IDD1 Supply Current, Full VISO Load
I/O Input Currents
Logic High Input Threshold
Logic Low Input Threshold
Logic High Output Voltages
Logic Low Output Voltages
AC SPECIFICATIONS
ADuM5401ARWZ/ADuM5402ARWZ/
ADuM5403ARWZ/ADuM5404ARWZ
Minimum Pulse Width
Maximum Data Rate
Propagation Delay
Pulse Width Distortion, |tPLH − tPHL|
Propagation Delay Skew
Channel-to-Channel Matching
Symbol Min
VISO
VISO(LINE)
VISO(LOAD)
VISO(RIP)
VISO(N)
fOSC
fPWM
3.0
Typ Max
3.3 3.6
1
15
50
130
180
625
Unit Test Conditions/Comments
V
mV/V
%
mV p-p
mV p-p
MHz
kHz
IISO = 0 mA
IISO = 37.5 mA, VDD1 = 3.0 V to 3.6 V
IISO = 6 mA to 54 mA
20 MHz bandwidth, CBO = 0.1 μF║10 μF,
IISO = 54 mA
20 MHz bandwidth, CBO = 0.1 μF║10 μF,
IISO = 54 mA
IISO(MAX)
60
36
mA
%
IDD1(Q)
14 20
mA
IDD1(D)
IISO(LOAD)
IDD1(MAX)
IIA, IIB, IIC, IID
VIH
VIL
44
46
47
51
−10
0.7 × VISO,
0.7 × VIDD1
42
41
39
38
175
+0.01
VOAH, VOBH,
VOCH, VODH
VOAL, VOBL,
VOCL, VODL
VDD1 − 0.2,
VISO − 0.2
VDD1 − 0.5,
V1SO − 0.5
5.0
4.8
0.0
0.0
+10
0.3 × VISO,
0.3 × VIDD1
0.1
0.4
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
V
V
V
V
V
V
f ≤ 1 MHz, VISO > 3.0 V
IISO = I ,ISO(2,max) f ≤ 1 MHz
IISO = 0 mA, f ≤ 1 MHz
IISO = 0 mA, CL = 15 pF, f = 12.5 MHz
IISO = 0 mA, CL = 15 pF, f = 12.5 MHz
IISO = 0 mA, CL = 15 pF, f = 12.5 MHz
IISO = 0 mA, CL = 15 pF, f = 12.5 MHz
CL = 15 pF, f = 12.5 MHz
CL = 15 pF, f = 12.5 MHz
CL = 15 pF, f = 12.5 MHz
CL = 15 pF, f = 12.5 MHz
CL = 0 pF, f = 0 MHz, VDD = 3.3 V, IISO = 60 mA
IOx = −20 μA, VIx = VIxH
IOx = −4 mA, VIx = VIxH
IOx = 20 μA, VIx = VIxL
IOx = 4 mA, VIx = VIxL
PW
tPHL, tPLH
PWD
tPSK
tPSKCD/tPSKOD
1
1000
60 100
40
50
50
ns
Mbps
ns
ns
ns
ns
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
Rev. 0 | Page 5 of 24
5 Page 
ADuM5401/ADuM5402/ADuM5403/ADuM5404
VDD1 1
16 VISO
GND1 2
15 GNDISO
VIA 3 ADuM5402 14 VOA
VIB 4 TOP VIEW 13 VOB
VOC 5 (Not to Scale) 12 VIC
VOD 6
11 VID
NC 7
10 VSEL
GND1 8
9 GNDISO
Figure 8. ADuM5402 Pin Configuration
Table 12. ADuM5402 Pin Function Descriptions
Pin No. Mnemonic Description
1 VDD1
www.DataShee2t4, 8U.com GND1
Primary Supply Voltage, 3.0 V to 5.5 V.
Ground 1. Ground reference for isolator primary. Pin 2 and Pin 8 are internally connected, and it is recommended that both
pins be connected to a common ground.
3 VIA
Logic Input A.
4 VIB
Logic Input B.
5 VOC
Logic Output C.
6 VOD
Logic Output D.
7 NC
Make no connection to this pin.
9, 15 GNDISO
Ground Reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and it is recommended that both pins be
connected to a common ground.
10 VSEL
Output Voltage Selection. When VSEL = VISO, the VISO setpoint is 5.0 V. When VSEL = GNDISO, the VISO setpoint is 3.3 V.
VDD1 and VISO voltages must be in the same operating range to guarantee proper operation of the data channels.
11 VID
Logic Input D.
12 VIC
Logic Input C.
13 VOB
Logic Output B.
14 VOA
Logic Output A.
16 VISO
Secondary Supply Voltage Output for External Loads, 3.3 V (VSEL Low) or 5.0 V (VSEL High). VDD1 and VISO voltages must be
in the same operating range to guarantee proper operation of the data channels.
Rev. 0 | Page 11 of 24
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet ADUM5403.PDF ] | |
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