IDT821621J8 IDT, Integrated Device Technology Inc, IDT821621J8 Datasheet - Page 14

• Manufacturer Part Number: IDT821621J8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT821621J8

• 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: Not Compliant

Table 7 — Idle Channel Noise
Table 8 — Insertion Loss and Balance Return Loss Signal
Table 9 — Line Characteristics
Table 10 — Power Supply Rejection Ratio (V
C-message Weighted Noise
Psophometric Weighted Noise
Gain Accuracy, 4- to 2-wire
Gain Accuracy, 2- to 4-wire, 4- to 4-wire
Gain Accuracy, 4- to 2-wire
Gain Accuracy, 2- to 4-wire, 4- to 4-wire
Gain Accuracy Over Frequency
Gain Tracking
Gain Tracking, On-hook
Group Delay
I
I
I
I
I
VAB, Open Circuit Voltage
VCC
VBAT
Effective Internal Resistance
IDT821621
L
L
L
L
L
AC Electrical Characteristics
, Short Loops, Active State
, Long Loops, Active State
, Accuracy, Standby State
, Loop Current, Disconnect State
LIM
Description
Description
Description
Description
50 Hz to 3.4 kHz
50 Hz to 3.4 kHz
CAS pin to VBAT
R
R
Constant-current region
R
Active, A and B to ground
V
R
R
R
R
0 dBm, 1 kHz
0 dBm, 1 kHz
On-hook
On-hook
300 to 3.4 kHz, relative to 1 kHz
+3 dBm to -55 dBm, relative to 0 dBm
0 dBm to -37 dBm
+3 dBm to 0 dBm
0 dBm, 1 kHz
I
Test Conditions (See
L
LDC
LDC
L
BAT
L
L
L
L
= 0
=
= 600 Ω
= 600 Ω
= 600 Ω
= 600 Ω
Ripple
= -52 V
= 600 Ω
= 1930 Ω, VBAT = -42.75 V, T
---------------------------------- -
VBAT
R
L
=100 mVrms), Active State
+
200
Test Conditions
Test Conditions
–
Test Conditions
3V
T
Figure
A
= 25 °C
10,
-40 to +85°C
-40 to +85°C
0 to 70°C
0 to 70°C
12
Figure
A
= 25 °C
11)
-42.75
-0.20
-6.22
-0.35
-6.37
-0.15
Min.
0.7I
Min.
-0.15
-0.15
-0.35
Min.
Min.
30
28
20
18
18
L
-6.02
-6.02
Typ.
Typ.
Typ.
335
Typ.
-44
23
19
30
65
40
50
-83
I
4
7
L
Max.
Max.
+0.20
+0.35
+0.15
+0.15
+0.15
+0.35
1.3I
-5.82
-5.67
Max.
100
Max.
+10
+12
26
-80
-78
L
LONG HAUL SLIC
Unit
Unit
dBrnc
dBmp
mA
mA
Unit
µA
kΩ
dB
October 8, 2003
Unit
dB
µs
V
Note
Note
Note
Note