TS4855 datasheet(7/27 Pages) STMICROELECTRONICS

No. de pieza	TS4855

Descripción Electrónicos	LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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Electrical Characteristics

TS4855

7/27

Phone In Volume

BTL maximum GAIN from Phone In HS to Rout, Lout

BTL minimum GAIN from Phone In HS to Rout, Lout

5.4

-41.1

6

-40.5

6.6

-39.9

dB

Phone In Volume

BTL maximum gain from Rin, Lin to Rout, Lout

BTL minimum gain from Rin, Lin to Rout, Lout

11.4

-35.1

12

-34.5

12.6

-33.9

dB

Phone In Volume

BTL gain from Phone In IHF to SPKRout

11.4

12

12.6

dB

Zin

Phone In IHF Input Impedance

16

20

24

k

Ω

Zin

Phone In HS, Rin & Lin Input Impedance, All Gain setting

42.5

50

57.5

k

Ω

tes

Enable Step up Time - ENB

20

ns

teh

Enable Hold Time - ENB

20

ns

tel

Enable Low Time - ENB

30

ns

tds

Data Setup Time- DATA

20

ns

tdh

Data Hold Time - DATA

20

ns

tcs

Clock Setup time - CLK

20

ns

tch

Clock Logic High Time - CLK

50

ns

tcl

Clock Logic Low Time - CLK

50

ns

fclk

Clock Frequency - CLK

DC

10

MHz

Table 5: Electrical characteristics at VCC = +3.0 V, GND = 0 V, Tamb = 25°C

(unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

I

CC

Supply Current, all gain @ max settings

Output Mode 1, Vin = 0 V, no load

Output Mode 1, Vin = 0 V, loaded (8

Ω)

Output Mode 2,3,4,5,6,7 Vin = 0 V, no loads

Output mode 2,3,4,5,6,7 Vin = 0 V, loaded (8

Ω, 32Ω)

3.5

4.5

7.5

9

7

8

10

11

mA

I

STANDBY

Standby Current

Output Mode 0

0.6

2

µA

Voo

Output Offset Voltage (differential)

Output Mode 1 to 7, Vin = 0 V, no load, Speaker Out

Output Mode 2 to 7 Vin = 0 V, no loads, Headset Out

5

20

40

mV

Vil

“Logic low” input Voltage

0

0.4

V

Vih

“Logic high” input Voltage

1.4

3

V

Table 4: Electrical characteristics at VCC = +5.0 V, GND = 0 V, Tamb = 25°C

(unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

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