L290 데이터 시트보기 (PDF) - STMicroelectronics

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L290

TACHOMETER CONVERTER

STMicroelectronics 

TEST CIRCUIT

L290

THERMAL DATA

Symbol

Parameter

Rth-j-amb

Thermal resistance junction-case

Max

Value

80

Unit

°C/W

ELECTRICAL CHARACTERISTICS (Refer to the test circuit, S in (A), Vs = ± 12 V, Tamb = 25 °C

unless otherwise specified)

Symbol

Vs

Id

Parameter

Supply Voltage

Quiescent Drain Current

Test conditions

Vs = ± 15 V

Min. Typ. Max. Unit

± 10

± 15 V

13 20 mA

INPUT AMPLIFIERS (A1 and A2)

FTA, FTB

Vos

Ib

Gv

Input Signal from Encoder

(pin 1, 16)

Output Offset Voltage

(pin 2, 15)

Input Bias Current (pin 1, 16)

Voltage Gain

V0

Output Voltage Swing

(pin 2, 15)

fmax = 20 KHz

FTA = FTB = 0 V

f = 10 KHz FTA=

FTB = ± 0.6 Vp

FTA = FTB = ± 1Vp

± 0.4

± 0.6 Vp

± 55 mV

0.15

µA

22 23 24 dB

± 9.5

V

3/8

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