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Maxim > Solutions > Telecom Switches (PBX and Central Office)
Relay Driver
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| 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 |
20-Output, 76V, Serial-Interfaced VFD Tube Drivers
MAX6921, MAX6931
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| QV PDF |
+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface
MAX4820, MAX4821
| 8-Channel, +3V/+5V, Cascadable Relay Drivers with Serial/Parallel Interface |
| Key Specifications: Relay Drivers |
| Part Number |
ISOURCE @2.7V
(mA) |
RON @2.7V
(Ω) |
IQ
(µA) |
Features |
Channels |
Interface |
VSUPPLY
(V) |
RoHS Available |
Package/Pins |
Smallest Available Pckg.
(mm2) |
| guar. min |
max |
max |
max w/pins |
| MAX4822 |
70 |
6 |
160 |
| Daisy-Chainable | | Integrated Kickback Diodes | | Power On Reset | | Power-Save | | Thermal Shutdown |
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8 |
SPI |
2.3 to 5.5 |
Yes |
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17 |
| MAX4823 |
160 |
| Daisy-Chainable | | Integrated Kickback Diodes | | Power On Reset | | Thermal Shutdown |
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SPI |
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| MAX4824 |
160 |
| Daisy-Chainable | | Integrated Kickback Diodes | | Power On Reset | | Power-Save | | Thermal Shutdown |
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Parallel |
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| MAX4825 |
160 |
| Daisy-Chainable | | Integrated Kickback Diodes | | Power On Reset | | Thermal Shutdown |
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Parallel |
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| MAX4820 |
50 |
| Daisy-Chainable | | Integrated Kickback Diodes | | Power On Reset | | Thermal Shutdown |
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SPI |
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| MAX4821 |
50 |
| Integrated Kickback Diodes | | Power On Reset | | Thermal Shutdown |
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Parallel |
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See All Relay Drivers (7)
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| Key Specifications: VFD Display Drivers |
| Part Number |
Features |
Controller/ Drvr. |
Display Type |
Interface |
Cursor Control |
Blink Cntrl. |
VSUPPLY
(V) |
| MAX6921 |
| Cascadeable | | Outputs may be paralleled | | Push-pull 40mA CMOS outputs |
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Driver |
Any type |
Serial 4-Wire |
No |
No |
8.0 to 76.0 |
| MAX6931 |
| Negative supply option | | Outputs may be paralleled | | Push-pull 40mA CMOS outputs |
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See All VFD Display Drivers (7)
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