TDA7237 datasheet(3/5 Pages) STMICROELECTRONICS

No. de pieza	TDA7237

Descripción Electrónicos	QUAD DIFFERENTIAL LINE DRIVER

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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ELECTRICAL CHARACTERISTICS (VCC = 10V; Tamb = 25°C; f = 1KHz, unless otherwise specified.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VS

Supply Voltage

9

11

V

ZI

Input Impedance

15

23

30

K

Ω

SVR

Supply Voltage Rejection

f = 10KHz

35

45

dB

Isg

Output Short Circuit Current to

GND

each pin

40

mA

all pins

300

mA

Output Short Circuit Current to

VCC

each pin

20

mA

all pins

150

mA

Is

Supply Current

35

50

mA

SR

Slew Rate

RL = 10KW; CL = 1000pF

3

V/

µs

S/N

Signal to Noise Ratio (1)

83

91

dB

THD

Total Harmonic Distortion

VO = 4VRMS; RL = 10KW;

CL = 1000pF

0.07

0.1

%

CS

Channel Separation

(2)

70

80

dB

VIDC

DC Input Voltage

5.8

6.25

6.6

V

VODC

DC Output Voltage

3.9

4.75

5.3

V

VCDC

DC Cext Voltage

pin 18

5.8

6.25

6.6

V

ZO

Output Impedance

50

100

Ω

Gv

Voltage Gain

15.9

16.7

17.5

dB

Notes:

1) Bw = 20Hz to 20KHz with 60dB/decade Rolloff (referred to 1.4VRMS)

2) All input AC grounded via 10

µF capacitor

TDA7237

3/5

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