TS4890 ST Microelectronics, Inc., TS4890 Datasheet - Page 4

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TS4890

Manufacturer Part Number
TS4890
Description
1W Mono Audio Amplifier With Standby Active High
Manufacturer
ST Microelectronics, Inc.
Datasheet

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TS4890
V
1. Standby mode is actived when Vstdby is tied to GND
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
V
1. Standby mode is actived when Vstdby is tied to GND
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
4/32
CC
CC
THD + N
THD + N
Symbol
Symbol
I
I
STANDBY
STANDBY
PSRR
PSRR
GBP
GBP
Voo
Voo
= 2.6V, GND = 0V, T
GM
= 2.2V, GND = 0V, T
GM
I
Po
I
Po
CC
CC
M
M
Supply Current
Standby Current
Output Offset Voltage
Output Power
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
Phase Margin at Unity Gain
R
Gain Margin
R
Gain Bandwidth Product
R
Supply Current
Standby Current
Output Offset Voltage
Output Power
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
Phase Margin at Unity Gain
R
Gain Margin
R
Gain Bandwidth Product
R
L
L
L
L
L
L
= 8 , C
= 8 , C
= 8
= 8 , C
= 8 , C
= 8
No input signal, no load
No input signal, Vstdby = G
No input signal, RL = 8
THD = 1% Max, f = 1kHz, RL = 8
Po = 200mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
f = 217Hz, RL = 8
No input signal, no load
No input signal, Vstdby = G
No input signal, RL = 8
THD = 1% Max, f = 1kHz, RL = 8
Po = 200mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
f = 217Hz, RL = 8
L
L
L
L
= 500pF
= 500pF
= 500pF
= 500pF
amb
amb
1)
1)
= 25°C (unless otherwise specified)
= 25°C (unless otherwise specified)
Parameter
Parameter
RFeed = 22K
RFeed = 22K
2)
2)
ND
ND
, RL = 8
, RL = 8
Vripple = 200mV rms
Vripple = 100mV rms
Min.
Min.
Typ.
0.15
Typ.
0.15
260
180
10
77
70
20
10
77
70
20
5
5
2
5
5
2
Max.
1000
Max.
1000
20
20
8
8
Degrees
Degrees
MHz
MHz
Unit
Unit
mW
mW
mA
mV
mA
mV
nA
dB
dB
nA
dB
dB
%
%

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