821621JG IDT, Integrated Device Technology Inc, 821621JG Datasheet - Page 20
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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
BASIC APPLICATION CIRCUIT
IDT821621
Basic Application Circuit
Ringing
Ring Line
Source
Tip Line
+
-
R
2
K
R
R
1
K
R
R
R
R
R
R
R
Ring Relay
B1
B2
3
4
F
F
K
BAT
R
D
1
2.2 nF
2.2 nF
C
HP
C
C
Figure 13 Basic Application Circuit
RT2
RT1
R
TMG
RINGOUT
DA
DB
A (TIP)
HPA
HPB
B (RING)
RYOUT1
RYOUT2
RYOUT3
BGND
VBREF
VBAT
TMG
18
IDT821621
AGND
RDC
VCC
RSN
DET
CAS
VTX
RD
D3
D2
D1
C2
C1
R
DC1
R
+5 V
D
C
CAS
R
R
T
DC2
C
C
DC
D
R
RX
LONG HAUL SLIC
October 8, 2003
V
V
T X
RX