ADM560:  Ultralow Power, Active Low Shutdown and Active High Receiver Enable

The ADM560/ADM561 are four driver/five receiver interface devices designed to meet the EIA-232 standard while operating with a single +3.3 V power supply. The devices feature an on-board dc-to-dc ...More

ADM560:  Ultralow Power, Active Low Shutdown and Active High Receiver Enable

Product Description

The ADM560/ADM561 are four driver/five receiver interface devices designed to meet the EIA-232 standard while operating with a single +3.3 V power supply. The devices feature an on-board dc-to-dc converter, eliminating the need for dual ±5 V power supplies. This dc-dc converter contains a voltage doubler and voltage inverter which internally generates ±6.6 V from the input +3.3 V power supply.

The ADM560 and ADM561 consume only 5 mW making them ideally suited for battery and other power-sensitive applications. A shutdown facility is also provided which reduces the power to 0.66 µW.

The ADM560 contains active low shutdown and active high receiver enable signals. In shutdown mode, two receivers remain active thereby allowing monitoring of peripheral devices. This feature allows the device to be shut down until a peripheral device begins communication. The active receivers can alert the processor which can then take the ADM560 out of the shutdown mode.

The ADM561 features active high shutdown and an active low receiver enable. In this device all receivers are disabled in shutdown.

The ADM560/ADM561 is fabricated using CMOS technology for minimal power consumption. It features a high level of over-voltage protection and latch-up immunity. The receiver inputs can withstand up to ±25 V levels. The transmitter inputs can be driven from either 3V or 5V logic levels. This allows operation in mixed 3 V/5 V power supply systems.

The ADM560/ADM561 is packaged in a 28-pin SO and a 28-pin SSOP package.

Features

  • RS-232 Compatible
  • Operates with 3 V or 5 V Logic
  • Ultralow Power CMOS: 1.3 mA Operation
  • Low Power Shutdown: 0.2 µA
  • Suitable for Serial Port Mice
  • 116 kbits/s Data Rate
  • 1 µF Charge Pump Capacitors
  • Single +3 V to +3.6 V Power Supply
  • Two Receivers Active in Shutdown (ADM560)

Diagrams

ADM560 Diagram
Functional Block Diagram for ADM560

Характеристики

Protocols RS-232
Pwr Supply (Vnom) +3.3
#Tx 4
# Rx 5
Data Rate 116kbps
Low Power Shutdown Y
Operating Temp Range 0 to +70

Посмотреть другие компоненты

Part# Protocols Data Rate #Tx # Rx Pos Supply Supply Current (max) 15 kV ESD Low Pwr Shutdown Product Description Price* (1000-4999)
ADM2482E RS-422, RS-485 16Mbps 2 2 +3 to +5.5 6mA Yes No High Speed, 2.5 kV Isolated RS-485 Transceivers with Integrated Transformer Driver $4.66
ADM2484E RS-422, RS-485 500kbps 2 2 +3 to +5.5 2mA Yes No 500 kbps, ESD Protected, Half-/Full-Duplex, iCoupler, Isolated RS-485 Transceiver $3.04
ADM2487E RS-422, RS-485 500kbps 2 2 +3 to +5.5 4mA Yes No 2.5 kV Isolated RS-485 Transceivers with Integrated Transformer Driver $3.64
ADM2491E RS-422, RS-485 16Mbps 2 2 +3 to +5.5 n/a No No High Speed, ESD-Protected, Half-/Full-Duplex, iCoupler Isolated RS-485 Transceiver $4.76
ADM3251E RS-232 460kbps 1 1 +4.5 to +5.5 110mA Yes No Isolated Single Channel, RS-232 Line Driver/Receiver $2.99
ADM4850 RS-422, RS-485 115kbps 1 1 +4.75 to +5.25 160µA No Yes 5V, Slew Rate Limited, Half-Duplex, RS-485/RS-422 Transceivers $0.71
ADM4854 RS-422, RS-485 115kbps 1 1 +4.75 to +5.25 160µA No No 5V, Slew Rate Limited, Full-Duplex, RS-485/RS-422 Transceivers $0.71
ADM560 RS-232 116kbps 4 5 +3 to +3.6 5mA No Yes Ultralow Power, +3.3V, RS-232 Notebook PC Serial Port Drivers/Receivers $2.41
ADM561 RS-232 116kbps 4 5 +3 to +3.6 5mA No Yes Ultralow Power, +3.3V, RS-232 Notebook PC Serial Port Drivers/Receivers $2.41
ADM232L RS-232 120kbps 2 2 +4.5 to +5.5 13mA No No +5V Powered, CMOS RS-232 Drivers/Receivers $1.27
ADM233L RS-232 120kbps 2 2 +4.75 to +5.25 13mA No