ISO7240_1 Datasheet, PDF (6/25 Pages) Texas Instruments – QUAD DIGITAL ISOLATORS

ISO7240
ISO7241
ISO7242
SLLS868A – SEPTEMBER 2007 – REVISED DECEMBER 2007
www.ti.com
SWITCHING CHARACTERISTICS
V_CC1 and V_CC2 at 5-V operation, over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
t_PLH, t_PHL
PWD
t_PLH, t_PHL
PWD
t_PLH, t_PHL
PWD
t_sk(o)
Propagation delay
Pulse-width distortion⁽¹⁾ |t_PHL – t_PLH|
Propagation delay
Pulse-width distortion⁽¹⁾ |t_PHL – t_PLH|
Propagation delay
Pulse-width distortion⁽¹⁾ |t_PHL – t_PLH|
Channel-to-channel output skew ⁽²⁾
ISO724xA
ISO724xC See Figure 1
ISO724xM
ISO724xA/C
ISO724xM
40
18
10
1
0
t_r
Output signal rise time
See Figure 1
2
t_f
Output signal fall time
2
t_PHZ
Propagation delay, high-level-to-high-impedance output
15
t_PZH
Propagation delay, high-impedance-to-high-level output
See Figure 2
15
t_PLZ
Propagation delay, low-level-to-high-impedance output
15
t_PZL
Propagation delay, high-impedance-to-low-level output
15
t_fs
Failsafe output delay time from input power loss
See Figure 3
12
150 Mbps NRZ data input, Same
t_jit(pp)
Peak-to-peak eye-pattern jitter
ISO724xM polarity input on all channels, See
1
Figure 5
MAX
95
10
42
2.5
23
2
2
1
20
20
20
20
UNIT
ns
ns
ns
ns
ns
µs
ns
(1) Also referred to as pulse skew.
(2) t_sk(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
Submit Documentation Feedback
Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): ISO7240 ISO7241 ISO7242