TS321 datasheet(4/8 Pages) STMICROELECTRONICS

4 / 8 page

Notes :

Short-circuits from the output to VCC can cause excessive heating if VCC > 15V. The maximum output current is approximately

40mA independent of the magnitude of VCC.

The direction of the input current is out of the IC. This current is essentially constant, independent of the state of the output

so no loading change exists on the input lines.

Vo = 1.4V, Rs = 0

Ω,5V < VCC+ < 30V, 0 < Vic <VCC+ - 1.5V.

The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V.

The upper end of the common-mode voltage range is VCC

+ - 1.5V, but either or both inputs can go to +32V without damage.

This input current only exists when the voltage at any of the input leads is driven negative. It is due to the collector-base

junction of the input PNP transistor becoming forward biased and thereby acting as input diodes clamps.

In addition to this diode action, there is also NPN parasitic action on the IC chip. this transistor action can cause the output

voltages of the Op-amps to go to the VCC voltage level (or to ground for a large overdrive) for the time duration than an input

is driven negative. This is not destructive and normal output will set up again for input voltage higher than -0.3V.

ELECTRICAL CHARACTERISTICS

VCC

+ = +5V, VCC– = Ground, VO = 1.4V, Tamb = +25oC (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

VOH

High Level Output Voltage

(VCC = +30V)

Tamb = +25

oCRL =2k

Ω

Tmin.

≤ Tamb ≤ Tmax.

Tamb = +25

oCRL = 10kΩ

Tmin.

≤ Tamb ≤ Tmax.

(VCC = +5V, RL =2k

Ω)

Tamb = +25

Tmin.

≤ Tamb ≤ Tmax.

25.5

26.5

3.5

VOL

Low Level Output Voltage (RL =10k

Ω)

Tamb = +25

Tmin.

≤ Tamb ≤ Tmax.

515

Slew Rate VCC = 15V, VI = 0.5 to 3V, RL =2k

Ω,

CL = 100pF, Tamb = +25

oC, unity gain)

0.4

µs

GBP

Gain Bandwidth Product VCC = 30V, f = 100kHz,

Tamb = +25

oC, Vin =10mV, RL =2k

Ω,CL = 100pF

0.8

MHz

∅m

Phase Margin

Degrees

THD

Total Harmonic Distortion f = 1kHz, AV = 20dB, RL =2k

Ω,

VO =2Vpp,CL = 100pF, Tamb = +25

oC, VCC = 30V

0.015

Equivalent Input Noise Voltage

f = 1kHz, Rs = 100

Ω,VCC = 30V

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