TS4890 ST Microelectronics, Inc., TS4890 Datasheet - Page 3
TS4890
Manufacturer Part Number
TS4890
Description
1W Mono Audio Amplifier With Standby Active High
Manufacturer
ST Microelectronics, Inc.
Datasheet
1.TS4890.pdf
(32 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TS4890IDT
Manufacturer:
ST
Quantity:
20 000
Part Number:
TS4890IST
Manufacturer:
ST
Quantity:
20 000
ELECTRICAL CHARACTERISTICS
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
CC
CC
THD + N
THD + N
Symbol
Symbol
I
I
STANDBY
STANDBY
PSRR
PSRR
GBP
GBP
Voo
Voo
= +5V, GND = 0V, T
GM
= +3.3V, GND = 0V, T
GM
I
Po
I
Po
CC
CC
M
M
Supply Current
Standby Current
Output Offset Voltage
Output Power
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
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
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 = 250mW 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 = 250mW 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 = 200mV rms
Min.
Min.
Typ.
0.15
Typ.
0.15
450
5.5
10
77
70
20
10
77
70
20
5
2
6
5
1
2
Max.
1000
Max.
1000
20
20
8
8
TS4890
Degrees
Degrees
MHz
Unit
MHz
Unit
mW
mA
mV
mA
mV
nA
dB
dB
nA
dB
dB
%
W
%
3/32