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AD7403TRIZ-EP

P1-P3P4-P6P7-P9P10-P12
AD7403-EP Enhanced Product
Rev. 0 | Page 4 of 12
TIMING SPECIFICATIONS
V
DD1
= 4.5 V to 5.5 V, V
DD2
= 4.5 V to 5.5 V, T
A
= −55°C to +125°C, unless otherwise noted. Sample tested during initial release to ensure
compliance. It is recommended to read MDAT on the MCLKIN rising edge.
Table 2.
Parameter
Limit at T
MIN
, T
MAX
Unit Description Min Typ Max
f
MCLKIN
5 16 MHz Master clock input frequency
t
1
1
45 ns Data access time after MCLKIN rising edge
t
2
1
12 ns Data hold time after MCLKIN rising edge
t
3
0.45 × t
MCLKIN
ns Master clock low time
t
4
0.45 × t
MCLKIN
ns Master clock high time
1
Defined as the time required from an 80% MCLKIN input level to when the output crosses 0.8 V or 2.0 V for V
DD2
= 3 V to 3.6 V or when the output crosses 0.8 V or 0.7 ×
V
DD2
for V
DD2
= 4.5 V to 5.5 V as outlined in Figure 2. Measured with a ±200 μA load and a 25 pF load capacitance.
MCLKIN
MDAT
1
SEE NOTE 1 OF TABLE 3 FOR FURTHER DETAILS.
t
4
t
1
t
2
t
3
80%
2.0V OR 0.7 × V
DD2
1
0.8V
13395-002
Figure 2. Data Timing
Enhanced Product AD7403-EP
Rev. 0 | Page 5 of 12
PACKAGE CHARACTERISTICS
Table 3.
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
Resistance (Input to Output)
1
R
I-O
10
12
Ω
Capacitance (Input to Output)
1
C
I-O
2.2 pF f = 1 MHz
IC Junction to Ambient Thermal Resistance θ
JA
45 °C/W Thermocouple located at center of package underside,
test conducted on 4-layer board with thin traces
1
The device is considered a 2-terminal device. For AD7403-EP, Pin 1 to Pin 8 are shorted together and Pin 9 to Pin 16 are shorted together.
INSULATION AND SAFETY RELATED SPECIFICATIONS
Table 4.
Parameter Symbol Value Unit Test Conditions/Comments
Input to Output Momentary Withstand Voltage V
ISO
5000 min V 1 minute duration
Minimum External Air Gap (Clearance) L(I01) 8.3 min
1, 2
mm Measured from input terminals to output
terminals, shortest distance through air
Minimum External Tracking (Creepage) L(I02) 8.3 min
1
mm Measured from input terminals to output
terminals, shortest distance path along body
Minimum Internal Gap (Internal Clearance) 0.034 min mm Distance through insulation
Tracking Resistance (Comparative Tracking Index) CTI >400 V DIN IEC 112/VDE 0303 Part 1
3
Isolation Group II Material Group (DIN VDE 0110, 1/89, Table I)
3
1
In accordance with IEC 60950-1 guidelines for the measurement of creepage and clearance distances for a pollution degree of 2 and altitudes ≤2000 m.
2
Consideration must be given to pad layout to ensure the minimum required distance for clearance is maintained.
3
CSA CTI rating for the AD7403-EP is >575 V and therefore Material Group II isolation group.
REGULATORY INFORMATION
Table 5.
UL
1
CSA VDE
2
Recognized under 1577
Component Recognition
Program
1
Approved under CSA Component Acceptance Notice 5A Certified according to DIN V VDE V 0884-10
(VDE V 0884-10):2006-12
2
5000 V rms Isolation Voltage
Single Protection
Basic insulation per CSA 60950-1-07 and IEC 60950-1,
830 V rms (1173 V
PEAK
), maximum working voltage
3
Reinforced insulation per DIN V VDE V 0884-10
(VDE V 0884-10):2006-12, 1250 V
PEAK
Reinforced insulation per CSA 60950-1-07 and
IEC 60950-1. 415 V rms (586 V
PEAK
) maximum working
voltage
3
Reinforced insulation per IEC 60601-1, 250 V rms
(353 V
PEAK
) maximum working voltage
File E214100 File 205078 File 2471900-4880-0001
1
In accordance with UL 1577, each AD7403-EP is proof tested by applying an insulation test voltage ≥ 6000 V rms for 1 second (current leakage detection limit = 15 µA).
2
In accordance with DIN V VDE V 0884-10, each AD7403-EP is proof tested by applying an insulation test voltage ≥ 2344 V
PEAK
for 1 second (partial discharge detection limit = 5 pC).
3
Rating is calculated for a pollution degree of 2 and a Material Group III. The AD7403-EP RI-16-2 package material is rated by CSA to a CTI of >575 V and therefore
Material Group II.
AD7403-EP Enhanced Product
Rev. 0 | Page 6 of 12
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 INSULATION CHARACTERISTICS
This isolator is suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by
means of protective circuits.
Table 6.
Description Symbol Characteristic Unit
INSTALLATION CLASSIFICATION PER DIN VDE 0110
For Rated Mains Voltage ≤300 V rms I to IV
For Rated Mains Voltage ≤450 V rms I to IV
For Rated Mains Voltage ≤600 V rms I to IV
For Rated Mains Voltage ≤1000 V rms I to IV
CLIMATIC CLASSIFICATION 40/105/21
POLLUTION DEGREE (DIN VDE 0110, TABLE 1) 2
MAXIMUM WORKING INSULATION VOLTAGE
V
IORM
1250
V
PEAK
INPUT TO OUTPUT TEST VOLTAGE, METHOD B1
V
IORM
× 1.875 = V
PR
, 100% Production Test, t
m
= 1 Second, Partial Discharge < 5 pC V
PD(M)
2344 V
PEAK
INPUT TO OUTPUT TEST VOLTAGE, METHOD A V
PR(M)
After Environmental Test Subgroup 1
V
IORM
× 1.6 = V
PR
, t
m
= 60 Seconds, Partial Discharge < 5 pC 2000 V
PEAK
After Input and/or Safety Test Subgroup 2/ Safety Test Subgroup 3
V
IORM
× 1.2 = V
PR
, t
m
= 60 Seconds, Partial Discharge < 5 pC 1500 V
PEAK
HIGHEST ALLOWABLE OVERVOLTAGE (TRANSIENT OVERVOLTAGE, t
TR
= 10 Seconds)
V
IOTM
8000
V
PEAK
SURGE ISOLATION VOLTAGE V
IOSM
V
PEAK
1.2 µs Rise Time, 50 μs, 50% Fall Time 7500 V
PEAK
SAFETY LIMITING VALUES (MAXIMUM VALUE ALLOWED IN THE EVENT OF A FAILURE, SEE Figure 3)
Case Temperature T
S
150 °C
Side 1 (P
VDD1
) and Side 2 (P
VDD2
) Power Dissipation P
SO
2.78 W
INSULATION RESISTANCE AT T
S
, V
IO
= 500 V R
IO
>10
9
Ω
0
1
2
3
4
0 50 100 150 200
SAFE OPERATING POWER (W)
AMBIENT TEMPERATURE (°C)
13395-003
Figure 3. Thermal Derating Curve, Dependence of Safety
Limiting Values with Case Temperature per DIN V VDE V 0884-10
P1-P3P4-P6P7-P9P10-P12

AD7403TRIZ-EP

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Analog Devices Inc.
Description:
Data Acquisition ADCs/DACs - Specialized Isolated 16Bit SigmaDeltaADCExtClk
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