CS8191XDWFR20 datasheet(2/8 Pages) CHERRY

Part #	CS8191XDWFR20

Description	Precision Air-Core Tach/Speedo Driver with Short Circuit Protection

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Manufacturer	CHERRY [Cherry Semiconductor Corporation]

Direct Link	http://www.cherrycorp.com/

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Electrical Characteristics: -40¡C ² TA ² 105¡C, 8V ² VCC ² 16V unless otherwise specified.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

s Supply Voltage Section

ICC Supply Current

VCC = 16V, -40¡C, No Load

70

125

mA

VCC Normal Operation Range

8.0

13.1

16.0

V

s Input Comparator Section

Positive Input Threshold

2.4

2.7

3.0

V

Negative Input Threshold

2.0

2.3

V

Input Hysteresis

200

400

1000

mV

Input Bias Current *

0V ² VIN ² 8V

-2

±10

µA

Input Frequency Range

0

20

kHz

Input Voltage Range

in series with 1k½

-1

VCC

V

Output VSAT

ICC = 10mA

0.15

0.40

V

Output Leakage

VCC = 7V

10

µA

Logic 0 Input Voltage

2.0

V

*Note: Input is clamped by an internal 12V Zener.

s Voltage Regulator Section

Output Voltage

6.50

7.00

7.50

V

Output Load Current

10

mA

Output Load Regulation

0 to 10 mA

10

50

mV

Output Line Regulation

8.0V ² VCC ² 16V

20

150

mV

Power Supply Rejection

VCC = 13.1V, 1VP/P 1kHz

34

46

dB

s Charge Pump Section

Inverting Input Voltage

1.5

2.0

2.5

V

Input Bias Current

40

150

nA

VBIAS Input Voltage

1.5

2.0

2.5

V

Non Invert. Input Voltage

IIN = 1mA

0.7

1.1

V

Linearity*

@ 0, 87.5, 175, 262.5, + 350Hz

-0.10

0.28

+0.70

%

F/VOUT Gain

@ 350Hz, CT = 0.0033µF, RT = 243k½

7

10

13

mV/Hz

Norton Gain, Positive

IIN = 15µA

0.9

1.0

1.1

I/I

Norton Gain, Negative

IIN = -15µA

0.9

1.0

1.1

I/I

*Note: Applies to % of full scale (270¡).

s Function Generator Section: -40¡ ² TA ² 85¡C, VCC = 13.1V unless otherwise noted.

Differential Drive Voltage

10V ² VCC ² 16V

7.5

8.0

8.5

V

(VCOS+ - VCOS-)

Q = 0¡

Differential Drive Voltage

10V ² VCC ² 16V

7.5

8.0

8.5

V

(VSIN+ - VSIN-)

Q = 90¡

Differential Drive Voltage

10V ² VCC ² 16V

-8.5

-8.0

-7.5

V

(VCOS+ - VCOS-)

Q = 180¡

Differential Drive Voltage

10V ² VCC ² 16V

-8.5

-8.0

-7.5

V

(VSIN+ - VSIN-)

Q = 270¡

Differential Drive Load

10V ² VCC ² 16V, -40¡C

178

½

25¡C

239

½

105¡C

314

½

Zero Hertz Output Voltage

-0.08

0.0

+0.08

V

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