HC55121IBZ Intersil, HC55121IBZ Datasheet - Page 11
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HC55121IBZ
Manufacturer Part Number
HC55121IBZ
Description
Manufacturer
Intersil
Datasheet
1.HC55121IBZ.pdf
(36 pages)
Specifications of HC55121IBZ
Number Of Channels
1
On-hook Transmission
Yes
Polarity Reversal
Yes
On-chip Ring Relay Driver
Yes
Longitudinal Balanced
53
Operating Supply Voltage (typ)
5V
Operating Temp Range
-40C to 85C
Loop Current Limit
30mA
Operating Temperature Classification
Industrial
Pin Count
28
Mounting
Surface Mount
Operating Current
2.7mA
Operating Supply Voltage (max)
5.25V
Operating Supply Voltage (min)
4.75V
Lead Free Status / RoHS Status
Compliant
Electrical Specifications
RING RELAY DRIVER
V
V
Off State Leakage Current
TEST RELAY DRIVER (TRLY1, TRLY2)
V
V
Off State Leakage Current
DIGITAL INPUTS (C1, C2, C3, C4, C5)
Input Low Voltage, V
Input High Voltage, V
Input Low Current, I
Input High Current, I
DETECTOR OUTPUTS (SHD, GKD_LVM)
SHD Output Low Voltage, V
Forward, Reverse
SHD Output High Voltage, V
Forward, Reverse
GKD_LVM Output Low Voltage,
V
GKD_LVM Output High Voltage,
V
Internal Pull-Up Resistor
SAT
SAT
SAT
SAT
OL
OH
Forward and Tip Open
Forward and Tip Open
at 30mA
at 40mA
at 30mA
at 40mA
PARAMETER
IL
IH
IL
IH
OL
OH
T
R
applies to the part. (NA) symbol used to indicate the test does not apply to the part. (Continued)
A
OH
I
I
V
I
I
V
V
V
I
I
I
R
I
OL
OL
OL
OL
OL
OH
OL
OH
= -40°C to 85°C, V
OH
OH
IL
IH
1
= 40kΩ, C
= 2.5kΩ (Figure 11)
= 0.4V
= 30mA
= 40mA
= 30mA
= 40mA
= 1mA
= 1mA
= 2.5V
= 100
= 100
= 13.2V
= 13.2V
µ
µ
TEST CONDITIONS
A
A
H
= 0.1µF, C
CC
= +5V ±5%, V
DC
= 4.7µF, C
BH
FIGURE 12. GROUND KEY DETECT
RT/REV
= -48V, V
MIN
2.0
2.7
2.7
0
-
-
-
-
-
-
-
-
-
-
-
2.5kΩ
= 0.47µF, GND = 0V, RL = 600Ω. Unless Otherwise Specified.
BL
0.52
0.65
TYP
0.2
0.1
0.3
25
15
-
-
-
-
-
-
-
-
= -24V, PTG = Open, R
TIP
RING
MAX
V
0.5
0.8
0.5
1.3
0.8
-10
0.5
0.5
10
10
50
CC
-
-
-
VRX
V
SHD
TX
UNITS
µA
µA
µA
µA
kΩ
V
V
V
V
V
V
V
V
V
V
P1
= R
P2
HC55120
Forward
Forward
GKD
GKD
Only
Only
= 0Ω, Z
NA
NA
NA
•
•
•
•
•
•
•
•
T
= 120kΩ, R
HC55121
GKD
GKD
NA
NA
NA
•
•
•
•
•
•
•
•
•
•
HC55130/1 HC55140/1 HC55142/3 HC55150/1
LIM
Forward
Forward
NA/
NA/
NA/
Only
Only
NA
NA
= 38.3kΩ, R
(•)
•
•
•
•
•
•
•
•
•
•
•
Symbol used to indicate the test
GKD_
GKD_
NA/
NA/
NA/
LVM
LVM
D
•
•
•
•
•
•
•
•
•
•
= 50kΩ, RDC_RAC = 20kΩ,
•
•
•
GKD_
GKD_
NA/
NA/
NA/
LVM
LVM
•
•
•
•
•
•
•
•
•
•
•
•
•
NA/
NA/
NA/
LVM
LVM
•
•
•
•
•
•
•
•
•
•
•
•
•