TRS3318CPWRG4 datasheet(5/17 Pages) TI

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DRIVER SECTION

Electrical Characteristics

Switching Characteristics

TRS3318

2.5-V 460-kbps RS-232 TRANSCEIVER

WITH ±15-kV ESD PROTECTION

SLLS820 – AUGUST 2007

over recommended ranges of supply voltage and operating free-air temperature,

VCC = 2.25 V to 3 V, C1–C4 = 0.1 μF, TA = TMIN to TMAX (unless otherwise noted) (see Figure 4)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

Vhys

Driver input hysteresis

0.3

Ion

Input leakage current

FORCEON, DIN, FORCEOFF

±0.01

±1

μA

Vom

Output voltage swing

All driver outputs loaded with 3 k

Ω to ground

±3.7

±4

Output resistance

VCC = 0, Driver output = ±2 V

300

10M

Ω

IOS

Output short-circuit current(2)

±25

±60

VCC = 0 or 2.25 V to 3 V, VOUT = ±12 V, Drivers

Ioff

Output leakage current

±25

μA

disabled

(1)

Typical values are at VCC = 2.5 V, TA = 25°C.

(2)

Short-circuit durations should be controlled to prevent exceeding the device absolute power dissipation ratings, and not more than one

output should be shorted at a time.

over recommended ranges of supply voltage and operating free-air temperature,

VCC = 2.25 V to 3 V, C1–C4 = 0.1 μF, TA = TMIN to TMAX (unless otherwise noted) (see Figure 1)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

Maximum data rate

RL = 3 kΩ, CL = 1000 pF, One transmitter switching

460

kbps

|tPHL – tPLH| Driver skew

(2)

100

VCC = 2.5 V, TA = 25°C, RL = 3 kΩ to 7 kΩ,

SR(tr)

Transition-region slew rate

Measured from 3 V to –3 V or –3 V to 3 V,

μs

CL = 150 pF to 2500 pF

(1)

Typical values are at VCC = 2.5 V, TA = 25°C.

(2)

Pulse skew is defined as |tPLH – tPHL| of each channel of the same device.

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