參數資料
型號： TSDC4872IJT
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8
封裝： FCP-8
文件頁數： 23/29頁
文件大?。?/td> 1012K
代理商： TSDC4872IJT
Obsolete
Product(s)
- Obsolete
Product(s)
TS4872
3/29
NO
T
F
O
R
NEW
D
E
SIGN
ELECTRICAL CHARACTERISTICS
V
CC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
V
CC = +3.3V, GND = 0V, Tamb = 25°C (unless otherwise specified)
3)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
68
mA
ISTANDBY
Standby Current 1)
No input signal, Vstdby = Vcc, RL = 8
1. Standby mode is actived when Vstdby is tied to Vcc
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
1W
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.1
%
PSRR
Power Supply Rejection Ratio 2)
f = 217Hz, RL = 8
, RFeed = 22K, Vripple = 200mV rms
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
75
dB
ΦM
Phase Margin at Unity Gain
RL = 8, CL = 500pF
70
Degrees
GM
Gain Margin
RL = 8, CL = 500pF
20
dB
GBP
Gain Bandwidth Product
RL = 8
2MHz
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
5.5
8
mA
ISTANDBY
Standby Current 1)
No input signal, Vstdby = Vcc, RL = 8
1. Standby mode is actived when Vstdby is tied to Vcc
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
450
mW
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.1
%
PSRR
Power Supply Rejection Ratio 2)
f = 217Hz, RL = 8
, RFeed = 22Ks, Vripple = 100mV rms
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
3 All electrical values are made by correlation between 2.6v and 5v measurements
68
dB
ΦM
Phase Margin at Unity Gain
RL = 8, CL = 500pF
70
Degrees
GM
Gain Margin
RL = 8, CL = 500pF
20
dB
GBP
Gain Bandwidth Product
RL = 8
2MHz
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