Rainbow-electronics MAX9610 Manuel d'utilisateur télécharger pdf (Page 3)

MAX9610

1µA, µDFN/SC70, Lithium-Ion Battery,

Precision Current-Sense Amplifier

_______________________________________________________________________________________ 3

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SENSE

= 50mV, G = 25

170

SENSE

= 50mV, G = 50

110

Small-Signal Bandwidth BW

SENSE

= 50mV, G = 100 60

kHz

Output Settling Time t

1% final value, V

SENSE

= 25mV 35 μs

Power-Up Time t

1% final value, V

SENSE

= 25mV

100

μs

ELECTRICAL CHARACTERISTICS (continued)

RS+

= V

RS-

= 3.6V, V

SENSE

= (V

RS+

- V

RS-

) = 0, T

= -40°C to +85°C, unless otherwise noted. Typical values are at T

= +25°C.)

(Note 1)

Note 1: All devices are 100% production tested at T

= +25°C. All temperature limits are guaranteed by design.

Note 2: V

OUT

= 0V. I

is the total current into RS+ plus RS-.

Note 3: V

is extrapolated from measurements for the Gain Error test.

Note 4: Gain Error is calculated by applying two values of V

SENSE

and calculating the error of the slope, vs. the ideal:

G = 25: V

SENSE

20mV and 120mV

G = 50: V

SENSE

10mV and 60mV

G = 100: V

SENSE

5mV and 30mV

Note 5: The device is stable for any external capacitance value.

Note 6: V

is the voltage from V

RS-

to V

OUT

with V

SENSE

= 3.6V/Gain.

Typical Operating Characteristics

RS+

= V

RS-

= 3.6V, T

= +25°C.)

-250

-200-150-100 -50 0

25020015010050

MAX9610F

OFFSET VOLTAGE HISTOGRAM

MAX9610 toc01

OFFSET VOLTAGE (μV)

N (%)

-0.2

-0.15 -0.1 -0.05 0

0.20.150.10.05

MAX9610F

GAIN ACCURACY HISTOGRAM

MAX9610 toc02

GAIN ACCURACY (%)

N (%)

300

200

100

400

500

600

700

800

900

1000

-40 10-15 35 60 85

SUPPLY CURRENT

vs. TEMPERATURE

MAX9610 toc03

TEMPERATURE (°C)

SUPPLY CURRENT (nA)

5.5V

3.6V

1.6V

1 2 3 4 5 6 7 8 9 10 11

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Rainbow-electronics MAX9610 Manuel d'utilisateur Page 3

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