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TS4604 Folha de dados(PDF) 7 Page - STMicroelectronics

Nome de Peças TS4604
Descrição Electrónicos  Stereo headset driver and analog audio line driver with integrated reference to ground
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4604 Folha de dados(HTML) 7 Page - STMicroelectronics

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TS4604
Electrical characteristics
Doc ID 17913 Rev 1
7/31
Table 5.
Headset driver part: VCC = +3.3 V, GND = 0 V,
ENHP = VCC, ENLD = GND, CPhp = CPld = 1 µF, Av = 1 (R1 = R2 = 10 kΩ),
Tamb = 25°C (unless otherwise specified)
Symbol
Parameters and test conditions
Min.
Typ.
Max.
Unit
Icc
Supply current (no input signal, no load)
5
6.5
mA
IENHP
Headset overall standby current (no input signal):
VENHP = GND
VENHP = 38% VCC
1
5
100
µA
Vio
Input offset voltage
-7
0
7
mV
Po
Headphone output power:
THD + N = 1% max, f = 1 kHz, BW = 22 kHz, RL = 16 Ω
45
65
mW
Po
Headphone output power:
THD + N = 1% max, f = 1 kHz, BW = 22 kHz, RL = 32 Ω
30
45
mW
THD + N
Total harmonic distortion + noise:
RL = 16 Ω, Po = 60 mW, f = 20 Hz to 20 kHz, BW = 22 kHz
0.05
%
PSRR
Headphone power supply rejection ratio with AC inputs
grounded: f = 217 Hz,Vripple = 200 mVpp
90
dB
tWU
Total wake-up time
30
ms
tSTBY
Standby time
20
µs
Xtalk
Crosstalk headphone to line:
Pout = 50 mW, RL = 16 Ω, f = 20 Hz to 20 kHz
-100
dB
SNR
Signal-to-noise ratio (A-weighting): RL = 16 Ω, Po = 60 mW
102
dB
CMRR
Common-mode rejection ratio:
f = 20 Hz to 20 kHz, Vic = 200 mVpp
-70
dB
VN
Output voltage noise: f = 20 Hz to 20 kHz, A-weighted
7.6
µVRMS
CL(1)
Capacitive load:
RL = 16 Ω to 100 Ω
RL > 100 Ω
400
100
pF
1.
Higher capacitive loads are possible by adding a serial resistor of 47
Ωin the line driver output.


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