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MAX3320ACAP

3V to 5.5V, up to 250kbps True RS-232 Transceiver with 4µA AutoShutdown Plus and Power-On Reset

Maxim Integrated 

3V to 5.5V, up to 250kbps True RS-232 Transceiver

with 4µA AutoShutdown Plus and Power-On Reset

ELECTRICAL CHARACTERISTICS (continued)

(VCC = 3V to 5.5V, C1–C4 = 0.1µF (tested at 3.3V ±10%), C1 = 0.047µF, C2–C4 = 0.33µF (tested at 5V ±10%), TA = TMIN to TMAX,

unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

INVALID Output Voltage High

Receiver Positive or Negative

Threshold to INVALID High

IOUT = -1mA

Figure 3

CONDITIONS

MIN TYP

VCC - 0.6

0.1

MAX

UNITS

V

µs

Receiver Positive or Negative

Threshold to INVALID Low

Figure 3

AUTOSHUTDOWN PLUS (FORCEON = GND, FORCEOFF = VCC)

Receiver or Transmitter Edge

to Transmitters Enabled

Figure 5

90

µs

25

µs

Receiver or Transmitter Edge

to Shutdown

TRANSMITTER OUTPUTS

Output Voltage Swing

Output Resistance

Output Short-Circuit Current

Output Leakage Current

RESET OUTPUT

RESET Operating Voltage

Range

RESET Threshold

RESET Output Voltage

Figure 3

All transmitter outputs loaded with 3kΩ to ground

VCC = V+ = V- = GND, VT_OUT = ±2V

T_OUT = GND, T_IN = VCC or GND

VT_OUT = ±12V, VCC = 0 to 5.5V, transmitters disabled

MAX3320_C

MAX3320_E

MAX3320A

MAX3320B

MAX3320L

MAX3320T

ISINK = 1.2mA, VCC = reset threshold, MAX3320B/T

ISINK = 3.2mA, VCC = reset threshold, MAX3320A/L

ISINK = 50µA, VCC > 1V, MAX3320_C

ISINK = 100µA, VCC > 1.2V, MAX3320_E

15

30

60

sec

±5.0 ±5.4

V

300 10M

Ω

±35 ±60

mA

±25

µA

1.0

5.5

V

1.2

5.5

4.00 4.25 4.50

2.70 2.85 3.00

V

4.50 4.63 4.75

3.00 3.08 3.15

0.3

0.4

V

0.3

0.4

_______________________________________________________________________________________ 3

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