ADATE320 datasheet(8/78 Pages) AD

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Data Sheet

ADATE320

SPECIFICATIONS

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Rev. C | 8 of 78

Table 3.

Parameter

Min

Typ

Max

Unit

Test Level

Test Conditions/Comments

Gain

1.0

1.1

V/V

Drive high-Z, sourcing 1 mA, gain derived from measurements at DAC

Code 0x4000 (0.0 V) and DAC Code 0x8CCC (3.0 V), based on an ideal

DAC transfer function (see Table 24)

Gain TC

±25

ppm/°C

Resolution

153

µV

DNL

±250

µV

Drive high-Z, sourcing 1 mA, after two-point gain/offset calibration;

calibration points at DAC Code 0x4000 (0.0 V) and DAC Code 0x8CCC

(3.0 V), measured over the functional range

INL

−20

+20

Drive high-Z, sourcing 1 mA, after two-point gain/offset calibration;

calibration points at DAC Code 0x4000 (0.0 V) and DAC Code 0x8CCC

(3.0 V), measured over the functional range

DC CLAMP CURRENT LIMIT

Drive high-Z

VCHx

−105

−60

VCHx = −1.0 V, VCLx = −2.0 V, VDUTx = 4.5 V

VCLx

+60

+105

VCHx = 5.0 V, VCLx = 4.0 V, VDUTx = −1.5 V

DUTGND VOLTAGE ACCURACY

−10

±2

+10

Over ±0.1 V range, measured at end points of VCHx and VCLx

functional range

NORMAL WINDOW COMPARATOR (NWC) SPECIFICATIONS

Table 4.

Parameter

Min

Typ

Max

Unit

Test Level

Test Conditions/Comments

DC SPECIFICATIONS

Input Voltage Range

−1.5

+4.5

Differential Voltage Range

±0.1

±6.0

Input Offset Voltage

−250

+250

Measured at DAC Code 0x4000 (0.0 V); uncalibrated

Input Offset Voltage TC

±150

µV/°C

Gain

1.0

1.1

V/V

Gain derived from measurements at DAC Code 0x4000 (0.0 V) and DAC

Code 0x8CCC (3.0 V); based on an ideal DAC transfer function (see

Table 24)

Gain TC

±10

ppm/°C

Threshold Resolution

153

µV

Threshold DNL

±0.25

Measured over −1.5 V to +4.5 V functional range after two-point gain/

offset calibration; calibration points at DAC Code 0x4000 (0.0 V) and

DAC Code 0x8CCC (3.0 V)

Threshold INL

After two-point gain/offset calibration; calibration points at DAC Code

0x4000 (0.0 V) and DAC Code 0x8CCC (3.0 V)

Focused Range

−5

Measured over −0.5 V to +3.5 V range

Full Range

−7

Measured over −1.5 V to +4.5 V range

DUTGND Voltage Accuracy

−5

±1

Over ±0.1 V range; measured over −0.5 V to +3.5 V focused NWC input

range

Uncertainty Band

VDUTx = 0.0 V, sweep comparator threshold to determine the uncertainty

band

Programmable Hysteresis

100

Hysteresis Resolution

Bits

DC PSR

±5

mV/V

Measured at DAC Code 0x4000 (0.0 V) and DAC Code 0x8CCC (3.0 V)

calibration points

Digital Output Characteristics

Internal Pull-up Resistance to

Comparator, VTTCx

Source 1 mA and 10 mA from the output pin in high state, measure ∆V

to calculate resistance; R = ∆V/9 mA; repeat for all output pins

Common-Mode Voltage

Measured relative to VTTCx, with 100 Ω differential termination

ADATE320

−250

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