TS4855 Ver la hoja de datos (PDF) - STMicroelectronics

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TS4855

LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL

STMicroelectronics 

Electrical Characteristics

TS4855

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

(unless otherwise specified)

Symbol

Parameter

Min. Typ. Max. Unit

Phone In Volume

BTL maximum GAIN from Phone In HS to Rout, Lout

BTL minimum GAIN from Phone In HS to Rout, Lout

Phone In Volume

BTL maximum gain from Rin, Lin to Rout, Lout

BTL minimum gain from Rin, Lin to Rout, Lout

Phone In Volume

BTL gain from Phone In IHF to SPKRout

Zin

Phone In IHF Input Impedance

Zin

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

tes

Enable Step up Time - ENB

teh

Enable Hold Time - ENB

tel

Enable Low Time - ENB

tds

Data Setup Time- DATA

tdh

Data Hold Time - DATA

tcs

Clock Setup time - CLK

tch

Clock Logic High Time - CLK

tcl

Clock Logic Low Time - CLK

fclk

Clock Frequency - CLK

dB

5.4 6 6.6

-41.1 -40.5 -39.9

dB

11.4 12 12.6

-35.1 -34.5 -33.9

11.4 12 12.6 dB

16 20 24 kΩ

42.5 50 57.5 kΩ

20

ns

20

ns

30

ns

20

ns

20

ns

20

ns

50

ns

50

ns

DC

10 MHz

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

(unless otherwise specified)

Symbol

Parameter

ICC

ISTANDBY

Voo

Vil

Vih

Supply Current, all gain @ max settings

Output Mode 1, Vin = 0 V, no load

Output Mode 1, Vin = 0 V, loaded (8Ω)

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 (8Ω, 32Ω)

Standby Current

Output Mode 0

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

“Logic low” input Voltage

“Logic high” input Voltage

Min. Typ. Max. Unit

mA

3.5 7

4.5 8

7.5 10

9

11

µA

0.6 2

mV

5

20

5

40

0

0.4 V

1.4

3

V

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