TLE7189F datasheet(23/29 Pages) INFINEON

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Data Sheet

Rev. 2.1, 2007-05-30

TLE7189F

5.3.1

Electrical Characteristics

Electrical Characteristics - Current sense signal conditioning

S = 5.5 to 20V, VVSOA = 5V, Tj = -40 to +150 °C, fPWM < 25kHz, all voltages with respect to ground, positive current

flowing into pin (unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

5.3.1

Series resistors

100

500

1000

Ω

–

5.3.2

Resistor ratio (gain ratio)

Rfb/RRS1

5–20

–

5.3.3

Resistor ratio (gain ratio)

Rfb/RRS2

3–20

–

Ω and 200pF at

VOx

5.3.4

Input differential voltage (ISPx -

ISNx)

IDR

-800

–

800

–

5.3.5

Input voltage (Both Inputs - GND)

(ISP - GND) or (ISN -GND)

LL1

-800

–

2200

S=8 ... 20V

5.3.6

Input voltage (Both Inputs - GND)

(ISP - GND) or (ISN -GND)

LL2

-800

–

1500

5.3.7

Input offset voltage of the I-DC link

OpAmp, including drift over

temperature range

IO1

-1.58

–

1.28

RS=500Ω;

CM=0V; VO=1.65V;

VRI=1.65V

5.3.8

Input offset voltage of reference

buffer

IO2

-3

–2mV

–

5.3.9

VRI input range

1.2

–

2.6

–

5.3.10

Input bias current

-300

–

µA

CM=0V;

VOx=open

5.3.11

Input bias current of reference

buffer

IBRB

0.6

1.4

2.4

µA

VRI=1.65V

5.3.12

High level output voltage of VOx

4.0

–

4.5

VRI=1.2 ... 2.6V;

Ox=-3mA;

5.3.13

Low level output voltage of VOx

-0.1

–

0.2

VRI=1.2 ... 2.6V;

Ox=3mA

5.3.14

Output voltage of VOx

1.623

1.65

1.668

IN(SS)=0V;

Gain=15;

VRI=1.65V

5.3.15

Output short circuit current

–

-5

short to GND

5.3.16

Differential input resistance1)

100

––k

Ω

–

5.3.17

Common mode input capacitance1) CICM

––10

10kHz

5.3.18

Common mode rejection ratio at

CMRR =

20*Log((Vout_diff/Vin_diff) *

(Vin_CM/Vout_CM))

CMRR

––db

–

5.3.19

Common mode suppression2) with

CMS = 20*Log(Vout_CM/Vin_CM)

Freq =100kHz

Freq = 1MHz

Freq = 10MHz

CMS

–

–db

IN=360mV*

sin(2*

π*freq*t);

RS=500Ω;

Rfb=7500Ω;

VRI=1.65, 2.5V

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