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Maxim > Solutions > Telecom Line Cards: T1, E1, J1

Line Interface Units: Combination T1, E1, J1

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF +3.3V/+5V, 8-Channel, Relay Drivers with Fast Recovery Time and Power-Save Mode
MAX4822, MAX4823, MAX4824, MAX4825

Octal Relay Drivers for Non-Latching Relays or Dual-Coil Latching Relays
QV  PDF Integrated T1/E1/J1 Short-Haul and Long-Haul Protection Switches
MAX4670

QV  PDF 3.3V E1/T1/J1 Quad Line Interface
DS21448

3.3V E1/T1/J1 Quad Line Interface Unit for Short-Haul and Long-Haul Applications
QV  PDF 5V E1/T1/J1 Line Interface
DS2148, DS21Q48

QV  PDF 3.3V E1/T1/J1 Line Interface
DS21348, DS21Q348




Key Specifications:   Relay Drivers
Part Number Min. Guaranteed Source Current (mA) @ 2.7V Output On-Resistance @ 2.7V (max) (Ω) Quiescent Current (max) (µA) Features Number of Channels Interface Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
MAX4822  70 6 160
Daisy-Chainable
Integrated Kickback Diodes
Power On Reset
Power-Save
Thermal Shutdown
8 SPI 2.3 to 5.5 THIN QFN/20 17
MAX4823  70 6 160
Daisy-Chainable
Integrated Kickback Diodes
Power On Reset
Thermal Shutdown
8 SPI 2.3 to 5.5 THIN QFN/20 17
MAX4824  70 6 160
Daisy-Chainable
Integrated Kickback Diodes
Power On Reset
Power-Save
Thermal Shutdown
8 Parallel 2.3 to 5.5 THIN QFN/20 17
MAX4825  70 6 160
Daisy-Chainable
Integrated Kickback Diodes
Power On Reset
Thermal Shutdown
8 Parallel 2.3 to 5.5 THIN QFN/20
TSSOP/20
17
See All Relay Drivers (7)

Key Specifications:   T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Number of Channels 5V-Tolerant I/O Supply Voltage (V) EV-Kit Package Smallest Available Package (max w/pins) (mm2)
DS21448  T1/E1/J1
LIU
4 Yes 3.3 Yes LQFP/128
TEBGAQ/144
289
DS21348  T1/E1/J1
LIU
1  -  3.3 Yes CSBGA/49
TQFP/44
49
DS2148  T1/E1/J1
LIU
1 Yes 5 Yes CSBGA/49
TQFP/44
49
DS21Q348  T1/E1/J1
LIU
4  -  3.3  -  BGA/144 289
DS21Q48  T1/E1/J1
LIU
4 Yes 5  -  BGA/144 289
See All T/E Carrier & Packetized Products (96)





         


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