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TS4855_04 Datasheet, PDF (7/27 Pages) STMicroelectronics – LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL
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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