ADATE318 datasheet(21/80 Pages) AD

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ADATE318

Rev. 0 | Page 21 of 80

Parameter

Min

Typ

Max

Unit

Test

Level

Conditions

DUTGND Voltage Accuracy

±2

Over ±0.1 V range; measured at end points of

VIH and VIL functional range

Output Resistance

ΔV/ΔI; VHH mode enabled, RCVx inactive;

Source: VIH = +3.0 V, I =

+1 mA, +50 mA;

Sink: VIL = +2.0 V; I = −1 mA, −50 mA

DC Output Current Limit Source

100

VHH mode enabled, RCVx inactive,

VIH =

+6.0 V, short HVOUT pin to −0.1 V,

DATx high, measure current

DC Output Current Limit Sink

−100

−60

VHH mode enabled, RCVx inactive,

VIL = −0.1 V, short HVOUT pin to

+6.0 V,

DATx low, measure current

Rise Time, VIL to VIH

6.4

20% to 80%, VHH mode enabled, RCVx

inactive, VIL = 0.0 V, VIH = 3.0 V, RLOAD > 500 Ω,

toggle DATx

Fall Time, VIH to VIL

7.3

20% to 80%, VHH mode enabled, RCVx

inactive, VIL = 0.0 V, VIH = 3.0 V, RLOAD > 500 Ω,

toggle DATx

Preshoot, Overshoot, and Undershoot

±30

VHH mode enabled, RCVx inactive,

VIL = 0.0 V, VIH = 3.0 V, RLOAD > 500 Ω,

toggle DATx

Table 12. Alarm Functions

Parameter

Min

Typ

Max

Unit

Test

Level

Condition

DC CHARACTERISTICS

Overvoltage Detect (OVD)

See Figure 137

Programmable Voltage Range

−2.5

+7.5

Uncalibrated Error at

−2.0 V

−200

+200

Measured at DAC Code 0x0CCC (

−2.0 V); OVD comparators not

guaranteed to function as specified if VDUTx is outside

absolute maximum voltage range

Uncalibrated Error at

+7.0 V

−450

+450

Measured at DAC Code 0xF333 (

+7.0 V)

Offset Voltage Tempco

±0.5

mV/°C

Gain derived from measurements at DAC Code 0x4000 and

DAC Code 0xC000

Gain

1.045

V/V

Hysteresis

125

Thermal Alarm

See Figure 137

Setpoint Error

±10

°C

Relative to default value, 100°C

Thermal Hysteresis

−15

°C

PPMU Clamp Alarm

See Figure 137 and Table 29 for electrical characteristics

ALARM Output Characteristics

Off State Leakage

500

Disable alarm, apply 2.5 V to ALARM pin, measure leakage

current

Max On Voltage at100 μA

0.1

0.7

Activate alarm, force 100 μA into ALARM pin, measure active

alarm voltage

Propagation Delay

1.5

μs

For OVD_HI:

VDUTx: 0 V to 6 V swing,

OVDH =

+3.0 V, OVDL = −1.0 V

For OVD_LO:

VDUTx: 0 V to 6 V swing,

OVDH =

+7.0 V, OVDL= +3.0 V

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