821621JG IDT, Integrated Device Technology Inc, 821621JG Datasheet - Page 18
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821621JG
Manufacturer Part Number
821621JG
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.821621JG.pdf
(21 pages)
Specifications of 821621JG
Number Of Channels
1
On-hook Transmission
Yes
Polarity Reversal
No
On-chip Ring Relay Driver
Yes
Operating Supply Voltage (typ)
3.3/5V
Operating Temp Range
-40C to 85C
Package Type
PLCC
Operating Temperature Classification
Industrial
Pin Count
32
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
IDT821621
Test Circuits
R
R
R
R
2
2
2
2
V
L
L
L
L
L
V
L
V
Figure 9 Four-Wire Longitudinal Signal Generation
AB
4-L Long. Sig. Gen. = 20 log (V
Gain 2-4 = 20 log (VTX / V
A (TIP)
B (RING)
A (TIP)
B (RING)
Figure 10 Two-to-Four Wire Gain
SLIC
SLIC
AGND
AGND
16
RSN
RSN
VTX
VTX
AB
)
L
/ V
RX
)
R
R
T
T
R
R
RX
RX
V
RX
LONG HAUL SLIC
October 8, 2003