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<strong>ITT</strong>709 I <strong>ITT</strong>709-A<br />

HIGH PERFORMANCE OPERATIONAL AMPLIFIER<br />

DEFINITION OF TERMS:<br />

INPUT OFFSET VOLTAGE-That voltage which<br />

must be applied between the input terminals<br />

to obtain zero output voltage. The input <strong>of</strong>fset<br />

voltage may also be defined for the case where<br />

two equal resistances are inserted In series<br />

with the input leads.<br />

INPUT OFFSET CURRENT-The difference in<br />

the currents into the two input teriminals with<br />

the output at zero volts.<br />

INPUT RESISTANCE-The resistance looking<br />

into either input terminal with the other<br />

grounded.<br />

INPUT BIAS CURRENT-The average <strong>of</strong> the<br />

two input currents.<br />

INPUT VOLTAGE RANGE-A range <strong>of</strong> voltage<br />

which, if exceeded on either input terminal,<br />

could cause the amplifier to cease functioning<br />

properly.<br />

INPUT COMMON MODE REJECTION RATIO­<br />

The ratio <strong>of</strong> the input voltage range to the maximum<br />

change in input <strong>of</strong>fset voltage over this<br />

range.<br />

LARGE-SIGNAL VOLTAGE GAIN-The ratio <strong>of</strong><br />

the maximum output voltage swing with load<br />

to the change in input voltage required to drive<br />

the output from zero to this voltage.<br />

OUTPUT VOLTAGE SWING-The peak output<br />

swing, referred to zero, that can be obtained<br />

without clipping.<br />

OUTPUT RESISTANCE-The resistance seen<br />

looking into the output terminal with the output<br />

at null. This parameter is defined only under<br />

s'mall signal conditions at 'frequencies above a<br />

few hundred cycles to eliminate the influence<br />

<strong>of</strong> drift and thermal feedback.<br />

POWER CONSUMPTION-The DC power required<br />

to operate the amplifier with the output<br />

at zero and with no load current.<br />

SUPPLY VOLTAGE REJECTION RATIO-The<br />

ratio <strong>of</strong> the change in input <strong>of</strong>fset voltage to<br />

the change in supply voltage producing it.<br />

TRANSIENT RESPONSE-Te closed-loop step<br />

function response <strong>of</strong> the amplifier under smallsignal<br />

conditions.<br />

PEAK OUTPUT CURRENT - The maximum<br />

current that may flow in the output load without<br />

causing damage to the unit.<br />

GUARANTEED ELECTRICAL CHARACTERISTICS <strong>ITT</strong> 709-A<br />

VOL.TAG£ GAIN<br />

70k RL2: 2 kQ I I _~<br />

~~.s TA < tl251lC L<br />

~ 60k<br />

~~Ok<br />

'\l~<br />

~~i-'~<br />

~40k v-<br />

..<br />

.....<br />

~i~\C~" r j- t-t-<br />

~30k ./ k--<br />

i20k<br />

.....<br />

~ .....<br />

10k t-<br />

9 10 11 12 13, 14 1~<br />

SUPPLY VOLTAGE - ! V<br />

11<br />

POWER CONSUMPTION<br />

TA- 25"'C I I I-'"<br />

~ 90<br />

I<br />

,/<br />

I - f-- -b~'''' ~.J/I"<br />

z ,~~i;;.- , !<br />

Q 10<br />

I<br />

~o<br />

IX<br />

i-f-"" I<br />

~30<br />

.. l<br />

I<br />

1 I-'"<br />

./<br />

J i'\C~" I-""<br />

,/ "C-r-<br />

10<br />

9 10 11 12 13 14 15<br />

SUPPLY VOlTAGE-iV<br />

en<br />

...<br />

-55°C 'TA~+125·C<br />

OUTPUT SWING<br />

~2~ , i-<br />

r--<br />

e><br />

MINIMU<br />

j20 I-<br />

RL"'OK<br />

en<br />

i--'" f-<br />

l..- ~ 15<br />

i-<br />

M~~~~~~ t"-<br />

o.<br />

... ..... i-<br />

~IO<br />

..<br />

'"<br />

~ !5<br />

~ ,0<br />

..<br />

l!i 9 10<br />

UJ<br />

.,<br />

~<br />

~,O<br />

~8<br />

~~<br />

z'"<br />

II 12 13 14<br />

SUPPLY VOLTAGE -! VOLTS<br />

INPUT C_ MOOE'yOLTAGE RANGE<br />

-55·C' TA' +12SoC<br />

8~ 6 i--<br />

i4<br />

i2<br />

MI 1M II ~ .....<br />

i--<br />

0 9 10 II 12 13 14<br />

SUPPLY VOLTAGE-!VOLTS<br />

7-5

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