IC-LTA_16 Datasheet, PDF (13/15 Pages) IC-Haus GmbH – 6-CH. INCREMENTAL OPTO ENCODER ARRAY

iC-LTA
preliminary
6-CH. INCREMENTAL OPTO ENCODER ARRAY
TEST MODE
Rev C1, Page 13/15
PA
PB
AB-gated
PZ
ungated
B-gated
OFF
S1
S2
S3
S4
S5
OFF
Figure 16: Output states during test mode
(SEL = low: x1 comparated)
State
OFF
S1
S2
S3
S4
S5
OFF
I(TIP)
I(TIP) ≤ 10 µA
I(TIP) ≥ 190 µA
I(TIP) ≈ 300 µA
I(TIP) ≈ 700 µA
I(TIP) ≈ 700 µA
I(TIP) ≈ 300 µA
I(TIP) ≈ 300 µA
I(TIP) ≤ 10 µA
I(TIN)
I(TIN) ≤ 10 µA
I(TIN) ≥ 190 µA
I(TIN) ≈ 300 µA
I(TIN) ≈ 300 µA
I(TIN) ≈ 700 µA
I(TIN) ≈ 700 µA
I(TIN) ≈ 300 µA
I(TIN) ≤ 10 µA
Function
Normal operation
Test mode activation
(low-level at PA, PB)
Force high-level at PA
Force high-level at PA, PB, PZ
Keep high-level at PB (and PZ if B-gated)
(low-level at all outputs)
Normal operation
Wiring Instruction
Pull-up TIN and TIN by 10 kΩ each to 5 V.
Add pull-up to TIP of 4.7 kΩ to 5 V.
Add pull-up to TIN of 4.7 kΩ to 5 V.
Disconnect 4k7 pull-up from TIP.
Disconnect 4k7 pull-up from TIN.
All pull-ups removed.
Table 5: Selection of output states.
DESIGN REVIEW: Notes on Chip Functions
iC-LTA_X
No.
Function, Parameter/Code
iC-LTA_W
No.
Function, Parameter/Code
Description and Application Hints
Refer to iC-LTA datasheet release B1, 2013
Table 6: Chip release iC-LTA_X
Description and Application Hints
None at time of printing.
Table 7: Chip release iC-LTA_W