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ADUM6210 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADUM6210
Beschreibung (ADUM6210 - ADUM6212) Dual-Channel Isolators
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 24 Seiten
ADUM6210 Datasheet, Funktion
Data Sheet
Dual-Channel Isolators with
Integrated DC-to-DC Converters
ADuM6210/ADuM6211/ADuM6212
FEATURES
isoPower integrated, isolated dc-to-dc converter
Regulated 3.15 V to 5.25 V output
Up to 150 mW output power
Dual dc-to-100 Mbps (NRZ) signal isolation channels
Soft start power supply
20-lead SSOP package with 5.3 mm creepage
Supports SPI up to 15 MHz
High temperature operation: 105°C
High common-mode transient immunity: >25 kV/µs
Safety and regulatory approvals
UL recognition (pending)
3750 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A (pending)
VDE certificate of conformity (pending)
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 849 V peak
APPLICATIONS
RS-232 transceivers
Power supply start-up bias and gate drives
Isolated sensor interfaces
Industrial PLCs
FUNCTIONAL BLOCK DIAGRAM
VDD1 1
GNDP 2
VIA/VOA 3
VIB/VOB 4
GNDP 5
GNDP 6
NC 7
PDIS 8
VDDP 9
GNDP 10
2-CHANNEL iCoupler CORE
ADuM6210/ADuM6211/
ADuM6212
20 VDD2
19 GNDISO
18 VOA/VIA
17 VOB/VIB
16 GNDISO
15 GNDISO
14 NC
PCS
OSC
13 VSEL
1.25V 12 VISO
RECT REG
11 GNDISO
Figure 1. ADuM6210/ADuM6211/ADuM6212
GENERAL DESCRIPTION
The ADuM6210/ADuM6211/ADuM62121 are dual-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 regulated, isolated
power that is adjustable between 3.15 V and 5.25 V. Input supply
voltages can range from slightly below the required output to
significantly higher. Popular voltage combinations and their
associated power levels are shown in Table 1.
The ADuM6210/ADuM6211/ADuM6212 eliminate the need
for a separate, isolated dc-to-dc converter in low power, isolated
designs. The iCoupler chip-scale transformer technology is used for
isolated logic signals and for the magnetic components of the dc-
to-dc converter. The result is a small form factor, total isolation
solution.
isoPower uses high frequency switching elements to transfer
power through its transformer. Take special care during printed
circuit board (PCB) layout to meet emissions standards. See the
AN-0971 Application Note for board layout recommendations.
Table 1. Power Levels
Input Voltage (V) Output Voltage (V)
55
5 3.3
3.3 3.3
Output Power (mW)
150
100
66
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.
Rev. 0
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Tel: 781.329.4700
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Technical Support
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ADUM6210 Datasheet, Funktion
ADuM6210/ADuM6211/ADuM6212
Data Sheet
Table 9. Input and Output Characteristics
Parameter
Symbol
DC SPECIFICATIONS
Logic High Input Threshold
VIH
Logic Low Input Threshold
VIL
Min
0.7 VISO,
0.7 VDD1
Logic High Output Voltages
Logic Low Output Voltages
VOH VDD1 − 0.1,
VDD2 − 0.1
VDD1 − 0.4,
VDD2 − 0.4
VOL
Undervoltage Lockout
Positive Going Threshold
Negative Going Threshold
Hysteresis
Supply Current per Channel
Quiescent Input Supply Current
Quiescent Output Supply Current
Dynamic Input Supply Current
Dynamic Output Supply Current
Input Currents per Channel
AC SPECIFICATIONS
Output Rise/Fall Time
Common-Mode Transient
Immunity1
Refresh Rate
VUV+
VUV−
VUVH
IDDI(Q)
IDDO(Q)
IDDI(D)
IDDO(D)
II
tR/tF
|CM|
tr
−10
25
Typ
VDD1, VDD2
VDD1 − 0.2,
VDD2 − 0.2
0.0
0.2
2.6
2.4
0.2
0.4
1.2
0.08
0.015
+0.01
3
35
1.6
Max
0.3 VISO,
0.3 VDD1
0.1
0.4
0.6
1.7
+10
Unit Test Conditions/Comments
V
V
V IOx = −20 µA, VIx = VIxH
V IOx = −4 mA, VIx = VIxH
V IOx = 20 µA, VIx = VIxL
V IOx = 4 mA, VIx = VIxL
VDD1, VDD2 ,VDDP supply
V
V
V
mA
mA
mA/Mbps
mA/Mbps
µA
0 V ≤ VIx ≤ VDDx
ns
kV/µs
µs
10% to 90%
VIx = VDD1 or VISO, VCM = 1000 V,
transient magnitude = 800 V
1 |CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining VOx > 0.8 × VDD1 or 0.8 × VISO for a high input or VOx < 0.8 × VDD1 or 0.8
× VISO for a low input. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges.
Rev. 0 | Page 6 of 24
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ADUM6210 pdf, datenblatt
ADuM6210/ADuM6211/ADuM6212
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Data Sheet
VDD1 1
GNDP 2
VIA
VIB
GNDP
GNDP
3
4
5
6
NC 7
PDIS 8
VDDP 9
GNDP 10
ADuM6210
TOP VIEW
(Not to Scale)
20 VDD2
19 GNDISO
18 VOA
17 VOB
16 GNDISO
15 GNDISO
14 NC
13 VSEL
12 VISO
11 GNDISO
NOTES
1. PINS LABELED NC CAN BE ALLOWED
TO FLOAT, BUT IT IS BETTER TO
CONNECT THESE PINS TO GROUND.
AVOID ROUTING HIGH SPEED SIGNALS
THROUGH THESE PINS BECAUSE
NOISE COUPLING MAY RESULT.
Figure 3. ADuM6210 Pin Configuration
Table 21. ADuM6210 Pin Function Descriptions
Pin No.
Mnemonic Description
1 VDD1 Power Supply for the Side 1 Logic Circuits of the Device. It is independent of VDDP and can operate between 3.0 V
and 5.5 V.
2, 5, 6, 10
GNDP
Ground Reference for Isolator Side 1. All of these pins are internally connected, and it is recommended that all GNDP
pins be connected to a common ground.
3 VIA Logic Input A.
4 VIB Logic Input B.
7, 14 NC No Connect. Pins labeled NC can be allowed to float, but it is better to connect these pins to ground. Avoid
routing high speed signals through these pins because noise coupling may result.
8 PDIS Power Disable. When this pin is tied to a logic low, the power converter is active; when tied to a logic high, the
power supply enters a low power standby mode.
9 VDDP Primary isoPower Supply Voltage, 3.0 V to 5.5 V.
11, 15, 16, 19 GNDISO
Ground Reference for Isolator Side 2. All of these pins are internally connected, and it is recommended that all GNDISO
pins be connected to a common ground.
12 VISO Secondary Supply Voltage Output for External Loads, 3.3 V (VSEL Low) or 5.0 V (VSEL High).
13 VSEL Output Voltage Select. Provide a thermally matched resistor network between VISO and GNDISO to divide the
required output voltage to match the 1.25 V reference voltage. VISO voltage can be programmed up to 20%
higher or 75% lower than VDDP but must be within the allowed output voltage range.
17 VOB Logic Output B.
18 VOA Logic Output A.
20 VDD2 Power Supply for the Side 2 Logic Circuits of the Device. It is independent of VISO and can operate between 3.0 V
and 5.5 V.
Rev. 0 | Page 12 of 24
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