MAX1480A_05 Datasheet, PDF (9/21 Pages) Maxim Integrated Products – Complete, Isolated RS-485/RS-422 Data Interface

Complete, Isolated RS-485/RS-422
Data Interface
_____________________________Typical Operating Characteristics (continued)
(V_{CC_} = 5V, FS = V_{CC_}, DE´ = V_{CC_}, V_DI´ = 0V to 5V at 1.25MHz, T_A = +25°C, unless otherwise noted.)
MAX1480A/MAX1490A
RECEIVER t_PHL
MAX1480/90-21
RECEIVER
INPUT A
1V/div
MAX1480A/MAX1490A
RECEIVER t_PLH
MAX1480/90-22
RECEIVER
INPUT B
1V/div
RECEIVER
INPUT B
1V/div
RECEIVER
INPUT A
1V/div
RO
2V/div
RO
2V/div
20ns/div
V_{CC_} = 5.0V, DE´= V_{CC_}
DI´ = 0V TO 5V AT 1.25MHz
MAX1480B/MAX1480C/MAX1490B
RECEIVER t_PHL
MAX1480/90-23
RECEIVER
INPUT A
1V/div
RECEIVER
INPUT B
1V/div
20ns/div
V_{CC_} = 5.0V, DE´= V_{CC_}
DI´ = 0V TO 5V AT 1.25MHz
MAX1480B/MAX1480C/MAX1490B
RECEIVER t_PLH
MAX1480/90-24
RECEIVER
INPUT A
1V/div
RECEIVER
INPUT B
1V/div
RO
2V/div
RO
2V/div
200ns/div
V_{CC_} = 5.0V, DE´= V_{CC_}
DI´= 0V TO 5V AT 125kHz
500ns/div
V_{CC_} = 5.0V, DE´= V_{CC_}
DI´= 0V TO 5V AT 125kHz
POWER-UP DELAY TO DRIVER OUTPUTS VALID
DRIVER
OUTPUT B
(Z FOR MAX1490)
2V/div
SD
2V/div
V_DI´ = 0V
V_SD = 5V TO 0V AT 1kHz
1µs/div
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