ML6680CQ Ver la hoja de datos (PDF) - Micro Linear Corporation
Número de pieza
componentes Descripción
Fabricante
ML6680CQ Datasheet PDF : 12 Pages
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ML6680
AC CHARACTERISTICS
Over full range of operating conditions unless otherwise specified. (Note 1)
SYMBOL
PARAMETER
CONDITIONS
CLOCK REFERENCE: XTAL1
fXO
Reference Clock Frequency
DXO
Reference Clock Duty Cycle
TWISTED PAIR RECEIVER: TPINP, TPINN
tTHTP
Input Pulse Width Threshold
tUSQTP
Time to Unsquelch (Off to On)
tREJTP
Time to Reject (On to Off)
OPTICAL RECEIVER: OPINP, OPINN
tTHOP
tUSQOP
Input Pulse Width Threshold V(INSERTED) > 0.7V
Time to Unsquelch (Off to On) V(INSERTED) > 0.7V
V(INSERTED) = 0V
tREJOP
Time to Reject (On to Off)
V(INSERTED) > 0.7V
V(INSERTED) = 0V
PROPAGATION DELAYS STEADY STATE
MIN
TYP
MAX
UNITS
32.7
34.5
kHz
30
70
%
550
1000
ns
2
5
µs
550
1000
ns
550
1000
ns
3
9
µs
0.8
1.2
µs
3
9
µs
0.8
1.2
µs
tTPOP
tOPTP
TPINP-TPINN to OPOUT
OPINP-OPINN to
TPOUTP-TPOUTN
20
ns
30
ns
tTPTP
TPINP-TPINN to
TPOUTP-TPOUTN
30
ns
tOPOP
OPINP-OPINN to OPOUT
INSERTION AND BYPASS KEY GENERATION (Fig. 1)
20
ns
T_K1
Key Element #1
(avg. PO < PO_Off)
808
858
µs
T_K2
Key Element #2
(avg. PO > PO_Off)
1616
1717
µs
T_K3
Key Element #3
(avg. PO < PO_Off)
1616
µs
T_BYP
Bypass Element
(avg. PO > PO_Off)
4.85
26.5
ms
T_KINIT1 Time that phantom power
V(KEYGEN) = VCC, V(TPINOK) > 0.7V
26.5
ms
should be applied in config 1
before generating the insertion
key.
T_KINIT4 Time that the optical input
V(KEYGEN) = VCC, V(TPINOK) = 0V
26.5
ms
should be valid in config 4
V(PHTM1) = 0V, V(PHTM2) = 0V
before generating the insertion
key.
T_KOFF Time that the optical input
V(KEYGEN) = VCC, V(TPINOK) = 0V
26.5
ms
should be invalid before
V(PHTM1) = 0V, V(PHTM2) = 0V
generating the bypass key.
6
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