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TS4984FC Datasheet, PDF (4/30 Pages) STMicroelectronics – 1.2W Stereo Audio Power Amplifier with Active Low Standby Mode | |||
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Electrical Characteristics
3 Electrical Characteristics
TS4984FC
Table 4. VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
ICC Supply Current
No input signal, no load
7.4 12
mA
ISTBY Standby Current (1)
No input signal, VSTBY = GND, RL = 8â¦
10 1000 nA
VOO Output Offset Voltage
No input signal, RL = 8â¦
1
10
mV
Pout Output Power
THD = 1% Max, F = 1kHz, RL = 8â¦
0.9 1.2
W
THD + N
Total Harmonic Distortion
+ Noise
Pout = 1Wrms, AV = 2
20Hz ⤠F ⤠20kHz, RL = 8â¦
0.2
%
Power Supply Rejection
RL = 8â¦, AV = 2, Vripple = 200mVpp,
Input Grounded, F = 217Hz
55 62
PSRR Ratio(2)
dB
RL = 8â¦, AV = 2, Vripple = 200mVpp,
55 64
Input Grounded, F = 1kHz
Crosstalk Channel Separation,
RL = 8â¦, F = 1kHz
RL = 8â¦, F = 20Hz to 20kHz
107
dB
82
twu Wake-Up Time
Cb = 1µF
90 130 ms
tstby Standby Time
Cb = 1µF
10
µs
VSTBYH
Standby Voltage Level
High
1.3
V
VSTBYL
Standby Voltage Level
Low
0.4
V
ΦM
Phase Margin at Unity
Gain
RL = 8â¦, CL = 500pF
65
Degrees
GM Gain Margin
RL = 8â¦, CL = 500pF
15
dB
GBP Gain Bandwidth Product RL = 8â¦
1.5
MHz
1. Standby mode is activated when VSTBY is tied to Gnd.
2. All PSRR data limits are guaranteed by production sampling tests.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the sinusoidal signal superimposed upon VCC.
4/30
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