SP3238EY 데이터 시트보기 (PDF) - Signal Processing Technologies

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SP3238EY

Intelligent +3.0V to +5.5V RS-232 Transceiver

Signal Processing Technologies 

ELECTRICAL CHARACTERISTICS

VCC = +3.0 to +5.5, C1 -C4 = 0.1µF (tested at 3.3V + 5%), C1-C4 = 0.22µF (tested at 3.3V + 10%), C1 = 0.047µF, and C2-C4 = 0.33µF (tested at 5.0V

+ 10%), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

MIN. TYP. MAX. UNITS CONDITIONS

DRIVER OUTPUTS

Output Voltage Swing

Output Resistance

Output Short-Circuit Current

RECEIVER INPUTS

±5.0

300

±5.4

±35 ±60

V All driver outputs loaded with 3KΩ

to GND

Ω

VCC = V+ = V- = 0V, VOUT = ±2V

mA VOUT = GND

Input Voltage Range

-25

25

V

Input Threshold LOW

Input Threshold LOW

Input Threshold HIGH

Input Threshold HIGH

Input Hysteresis

0.6

1.2

V

VCC = 3.3V

0.8

1.5

V

VCC = 5.0V

1.5 2.4

V

VCC = 3.3V

1.8 2.4

V

VCC = 5.0V

0.5

V

Input Resistance

3

5

7

kΩ

AUTO ON-LINE® CIRCUITRY CHARACTERISTICS (ONLINE = GND, SHUTDOWN = VCC)

STATUS Output Voltage LOW

0.4

V

IOUT = 1.6mA

STATUS Output Voltage HIGH VCC - 0.6

V

IOUT = -1.0mA

Receiver Threshold to Drivers

Enabled (tONLINE)

Receiver Positive or Negative

Threshold to STATUS HIGH

(tSTSH)

Receiver Positive or Negative

Threshold to STATUS LOW

(tSTSL)

200

µS Figure 10

0.5

µS Figure 10

20

µS Figure 10

Rev. 6/30/03

SP3238 Intelligent +3.0V to +5.5V RS-232 Transceiver

3

© Copyright 2003 Sipex Corporation

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