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ISO7240A Datasheet(PDF) 6 Page - Texas Instruments

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Part # ISO7240A
Description  1-Mbps QUAD DIGITAL ISOLATORS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ISO7240A Datasheet(HTML) 6 Page - Texas Instruments

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ISO7240A
ISO7241A
ISO7242A
SLLS905E – MAY 2008 – REVISED JANUARY 2010
www.ti.com
ELECTRICAL CHARACTERISTICS: VCC1 at 3.3-V, VCC2 at 5-V
(1) OPERATION
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
Quiescent
0.5
1
ISO7240A
VI = VCC or 0 V, All channels, no load, EN2 at 3 V
mA
1 Mbps
1
2
Quiescent
4
7
ICC1
ISO7241A
VI = VCC or 0 V, All channels, no load, EN1 at 3 V, EN2 at 3 V
mA
1 Mbps
4
7
Quiescent
6
10
ISO7242A
VI = VCC or 0 V, All channels, no load, EN1 at 3 V, EN2 at 3 V
mA
1 Mbps
6
10
Quiescent
15
22
ISO7240A
VI = VCC or 0 V, All channels, no load, EN2 at 3 V
mA
1 Mbps
16
22
Quiescent
13
20
ICC2
ISO7241A
VI = VCC or 0 V, All channels, no load, EN1 at 3 V, EN2 at 3 V
mA
1 Mbps
13
20
Quiescent
10
16
ISO7242A
VI = VCC or 0 V, All channels, no load, EN1 at 3 V, EN2 at 3 V
mA
1 Mbps
10
16
ELECTRICAL CHARACTERISTICS
IOFF
Sleep mode output current EN at VCC, Single channel
0
mA
ISO7240A
VCC – 0.4
IOH = –4 mA, See Figure 1
VOH
High-level output voltage
ISO724x (5-V side)
VCC – 0.8
V
IOH = –20 mA, See Figure 1
VCC – 0.1
IOL = 4 mA, See Figure 1
0.4
VOL
Low-level output voltage
V
IOL = 20 mA, See Figure 1
0.1
VI(HYS)
Input voltage hysteresis
150
mV
IIH
High-level input current
10
IN from 0 V to VCC
mA
IIL
Low-level input current
–10
CI
Input capacitance to
IN at VCC, VI = 0.4 sin (4E6pt)
2
pF
ground
Common-mode transient
VI = VCC or 0 V, See Figure 4
CMTI
25
50
kV/ms
immunity
(1)
For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V.
For the 3-V operation, VCC1 or VCC2 is specified from 3.15 V to 3.6 V.
SWITCHING CHARACTERISTICS: VCC1 at 3.3-V and VCC2 at 5-V OPERATION
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPLH, tPHL
Propagation delay
40
100
See Figure 1
ns
PWD
Pulse-width distortion(1) |tPHL – tPLH|
11
2.5
tsk(o)
Channel-to-channel output skew (2)
ns
0
1
tr
Output signal rise time
2
See Figure 1
ns
tf
Output signal fall time
2
tPHZ
Propagation delay, high-level-to-high-impedance output
15
20
tPZH
Propagation delay, high-impedance-to-high-level output
15
20
See Figure 2
ns
tPLZ
Propagation delay, low-level-to-high-impedance output
15
20
tPZL
Propagation delay, high-impedance-to-low-level output
15
20
tfs
Failsafe output delay time from input power loss
See Figure 3
12
ms
(1)
Also known as pulse skew
(2)
tsk(o) is the skew between specified outputs of a single device with all driving inputs connected together and the outputs switching in the
same direction while driving identical specified loads.
6
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Copyright © 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): ISO7240A ISO7241A ISO7242A
Not Recommended for New Designs


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