INA200_07 datasheet(4/22 Pages) BURR-BROWN

Part #	INA200

Description	High-Side Measurement Current-Shunt Monitor with Comparator and Reference

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Manufacturer	BURR-BROWN [Burr-Brown (TI)]

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INA200

INA201

INA202

SBOS374 − NOVEMBER 2006

www.ti.com

4

ELECTRICAL CHARACTERISTICS: COMPARATOR

Boldface limits apply over the specified temperature range: TA = −40°C to +125°C.

At TA = +25°C, VS = +12V, VCM = +12V, VSENSE = 100mV, RL = 10kΩ to GND, and RPULL-UP = 5.1kΩ connected from CMPOUT to VS, unless otherwise

noted.

INA200, INA201, INA202

COMPARATOR PARAMETERS

CONDITIONS

MIN

TYP

MAX

UNITS

OFFSET VOLTAGE

Threshold

TA = +25°C

590

600

610

mV

Over Temperature

586

614

mV

Hysteresis(1)

TA = −40°C to +85°C

−8

mV

INPUT BIAS CURRENT(2)

CMPIN Pin

0.005

10

nA

vs Temperature

15

nA

INPUT VOLTAGE RANGE

CMPIN Pin

0V to VS − 1.5V

V

OUTPUT (OPEN-DRAIN)

Large-Signal Differential Voltage Gain

CMP VOUT 1V to 4V, RL ≥ 15kΩ Connected to 5V

200

V/mV

High-Level Leakage Current(3)(4)

ILKG

VID = 0.4V, VOH = VS

0.0001

1

µA

Low-Level Output Voltage(3)

VOL

VID = −0.6V, IOL = 2.35mA

220

300

mV

RESPONSE TIME

Response Time(5)

RL to 5V, CL = 15pF, 100mV Input Step with 5mV Overdrive

1.3

µs

RESET

RESET Threshold(6)

1.1

V

Logic Input Impedance

2

M

Ω

Minimum RESET Pulse Width

1.5

µs

RESET Propagation Delay

3

µs

(1) Hysteresis refers to the threshold (the threshold specification applies to a rising edge of a noninverting input) of a falling edge on the noninverting input of the

comparator; refer to Figure 1.

(2) Specified by design.

(3) VID refers to the differential voltage at the comparator inputs.

(4) Open-drain output can be pulled to the range of +2.7V to +18V, regardless of VS.

(5) The comparator response time specified is the interval between the input step function and the instant when the output crosses 1.4V.

(6) The RESET input has an internal 2MΩ (typical) pull-down. Leaving RESET open results in a LOW state, with transparent comparator operation.

Hysteresis = V

THRESHOLD − 8mV

V

THRESHOLD

Input Voltage

0.6V

0.592V

Figure 1. Typical Comparator Hysteresis

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