IDT821611J IDT, Integrated Device Technology Inc, IDT821611J Datasheet - Page 17

• Manufacturer Part Number: IDT821611J
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT821611J

• Number Of Channels: 1
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• 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: Not Compliant

TEST CIRCUITS
IDT821611
Test Circuits
V
Z
characteristic impedance of the line)
S
D
: The desired impedance (e.g., the
V
L
2πfC
1
R
R
<< R
C
L
Z
V
D
M
R
R
2
2
L
L
Figure 7 Two-Wire Return Loss
Figure 8 Longitudinal Balance
Longitudinal to Two-Wire Balance = 20 log (V
Longitudinal to Four-Wire Balance = 20 log (VTX / V
A (TIP)
B (RING)
Return Loss = -20 log (2 V
V
AB
SLIC
A (TIP)
B (RING)
15
AGND
RSN
VTX
SLIC
M
/ V
AGND
RSN
S
VTX
)
R
R
T1
T2
AB
/ V
L
)
L
)
C
R
R
T1
T
RX
LONG HAUL SLIC
October 8, 2003