ADATE318 datasheet(14/80 Pages) AD

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ADATE318

Rev. 0 | Page 14 of 80

Parameter

Min

Typ

Max

Unit

Test

Level

Conditions

Gain

Range C

1.0

1.1

V/V

Gain derived from measurements at DAC

Code 0x4000 (0 V) and DAC Code 0xC000

(5 V); based on ideal DAC transfer function

(see Table 21 and Table 23).

All Ranges

1.05

V/V

Gain derived from measurements at DAC

Code 0x4000 (0 V) and DAC Code 0xC000

(5 V); based on ideal DAC transfer function

(see Table 21 and Table 23).

Gain Tempco, All Ranges

±25

ppm/°C

Gain derived from measurements at DAC

Code 0x4000 (0V) and DAC Code 0xC000

(5 V); calibration point 0x4000 (0 V) and

0xC000 (+5 V) output.

INL

Range A

±1

After two point gain/offset calibration, output

range of

−2.0 V to +5.75 V, PPMU Current

Range A only.

Range C

−1.7

+1.7

After two point gain/offset calibration;

output range of

−2.0 V to +6.5 V.

Range B, Range D, and Range E

±1

After two point gain/offset calibration, output

range of

−2.0 V to +6.5 V.

Compliance vs. Current Load

Range A

±40

Force

−2.0 V; measure voltage while sinking

zero and full-scale current; measure

ΔV; force

+5.75 V; measure voltage while sourcing zero

and full-scale current; measure

ΔV.

±25

Force

−2.0 V; measure voltage while sinking

zero and 25 mA current; measure

ΔV; force

+6 V; measure voltage while sourcing zero

and 25 mA current; measure

ΔV.

Range B, Range C, Range D, and

Range E

±1

Force

−2.0 V; measure voltage while sinking

zero and full-scale current; measure

ΔV; force

+6.5 V; measure voltage while sourcing zero

and full-scale current; measure

ΔV.

Current Limit, Source and Sink

All Ranges

120

140

180

%FS

Sink: force

−2.0 V, short DUTx to +6.5 V;

source: force

+6.5 V, short DUTx to −2.0 V;

repeat for each current range; example:

Range A

FS = 40 mA,

120% FS = 48 mA

180% FS = 72 mA

DUTGND Voltage Accuracy

−7

±2

Over ±0.1 V range; measured at endpoints

of PPMU_VINFV functional range (see

Figure 136).

MEASURE CURRENT

PPMU enabled in FIMI, DCL disabled.

DUTx Pin Voltage Range at Full Current

Range A

−2.0

+5.75

Range B, Range C, Range D, and

Range E

−2.0

+6.5

Zero-Current Offset, Range B

−2

%FSR

Interpolated from measurements sourcing

and sinking 80% FSR current each range;

FSR = 80 mA for Range A, 2 mA for Range B,

200 μA for Range C, 20 μA for Range D, 4 μA

for Range E (see Table 21and Table 23).

All Ranges

±0.5

%FSR

See Table 21and Table 23.

Zero-Current Offset Tempco, Range A

±0.001

%FSR/°C

See Table 21 and Table 23.

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