DRV401AMDWPREP datasheet(3/33 Pages) TI

3 / 33 page

ELECTRICAL CHARACTERISTICS

(1)

DRV401-EP

www.ti.com............................................................................................................................................................................................... SBVS104 – JANUARY 2008

Boldface limits apply over the specified temperature range: TJ = –55°C to +125°C.

At TA = +25°C and VDD1 = VDD2 = +5 V with external 100 kHz filter BW, and zero output current ICOMP, unless otherwise noted.

DRV401

PARAMETER

CONDITIONS

UNITS

MIN

TYP

MAX

RL = 10 kΩ to 2.5 V,

DIFFERENTIAL AMPLIFIER

VREFIN = 2.5 V

OFFSET VOLTAGE

VOS

Offset voltage, RTO(2)(3)

Gain 4 V/V

±0.01

±0.1

dVOS/dT

Drift, RTO (3)

±0.1

µV/°C

VOS

Offset voltage, RTO(2)(3)

Gain 4 V/V

±0.17

CMRR

vs common-mode, RTO

–1 V to +6 V, VREF = 2.5 V

±50

±280

µV/V

PSRR

vs power-supply, RTO

VREF not included

±4

±50

µV/V

SIGNAL INPUT

Common-mode voltage range

–1

(VDD) + 1

SIGNAL OUTPUT

Signal over-range indication

VIN = 1 V step

(3) (4)

2.5 to 3.5

µs

(OVER-RANGE), Delay (3)

Voltage output swing from negative rail(3),

I = +2.5 mA, CMP trip level

+48

+85

OVER-RANGE trip level

Voltage putput swing from positive rail(3),

I = –2.5 mA, CMP trip level

VDD – 85

VDD – 48

OVER-RANGE trip level

ISC

Short-circuit current(3)

VOUT connected to GND

–18

VOUT connected to VDD

+20

Gain, VOUT/VIN_DIFF

V/V

Gain error

±0.02

＝0.3

Gain error drift

±0.1

ppm/°C

Linearity error

RL = 1 kΩ

ppm

(1)

For Electromigration derating curves, please refer to http://focus.ti.com/pdfs/hirel/mltry/EP_Reliability_Information.pdf.

(2)

Parameter value referred to output (RTO).

(3)

See Typical Characteristics curves.

(4)

Total input resistance and comparator threshold current are inversely related. See Figure 2a.

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