ADM1191_08 datasheet(3/16 Pages) AD

Teilenummer	ADM1191

Bauteilbeschribung	Digital Power Monitor with Convert Pin and ALERTB Output

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Hersteller	AD [Analog Devices]

Direct Link	http://www.analog.com

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ADM1191

Rev. B | Page 3 of 16

SPECIFICATIONS

VCC = 3.15 V to 26 V, TA = −40°C to +85°C, typical values at TA = 25°C, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Conditions

VCC PIN

Operating Voltage Range, VCC

3.15

26

V

Supply Current, ICC

1.7

2

mA

Undervoltage Lockout, VUVLO

2.8

V

VCC rising

Undervoltage Lockout Hysteresis, VUVLOHYST

80

mV

CONV PIN

Input Current, ICONV

−2

+2

μA

Logic Low Threshold, VCONVL

1.2

V

Logic High Threshold, VCONVH

1.4

V

MONITORING ACCURACY1

Current Sense Absolute Accuracy

0°C to +70°C

−1.45

+1.45

%

VSENSE = 75 mV

−1.8

+1.8

%

VSENSE = 50 mV

−2.8

+2.8

%

VSENSE = 25 mV

−5.7

+5.7

%

VSENSE = 12.5 mV

0°C to +85°C

−1.5

+1.5

%

VSENSE = 75 mV

−1.8

+1.8

%

VSENSE = 50 mV

−2.95

+2.95

%

VSENSE = 25 mV

−6.1

+6.1

%

VSENSE = 12.5 mV

−40°C to +85°C

−1.95

+1.95

%

VSENSE = 75 mV

−2.45

+2.45

%

VSENSE = 50 mV

−3.85

+3.85

%

VSENSE = 25 mV

−6.7

+6.7

%

VSENSE = 12.5 mV

VSENSE for ADC Full Scale2

105.84

mV

Voltage Sense Accuracy

0°C to +70°C

−0.85

+0.85

%

VCC = 3.0 V to 5.5 V (low range)

−0.9

+0.9

%

VCC = 10.8 V to 16.5 V (high range)

0°C to +85°C

−0.85

+0.85

%

VCC = 3.0 V to 5.5 V (low range)

−0.9

+0.9

%

VCC = 10.8 V to 16.5 V (high range)

−40°C to +85°C

−0.9

+0.9

%

VCC = 3.0 V to 5.5 V (low range)

−1.15

+1.15

%

VCC = 10.8 V to 16.5 V (high range)

VCC for ADC Full Scale3

Low Range (VRANGE = 1)

6.65

V

High Range (VRANGE = 0)

26.52

V

ADC Conversion Time4

150

μs

SENSE PIN

Input Current, ISENSE

−1

+1

μA

VSENSE = VCC

SETV PIN

Overcurrent Trip Threshold

98

100

102

mV

VSETV = 1.8 V

49.5

50

50.5

mV

VSETV = 0.9 V

Overcurrent Trip Gain, VSETV/(VCC − VSENSE)

18

VSETV = 0.9 V to 1.9 V

Input Current, ISETVLEAK

−1

+1

μA

VSETV = 0.9 V to 1.9 V

ALERTB PIN

Output Low Voltage, VALERTOL

0.05

0.1

V

IALERT = −100 μA

1

1.5

mA

IALERT = −2 mA

Input Current, IALERT

−1

+1

μA

VALERT = VCC; ALERTB not asserted

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