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TSH512 数据表(PDF) 8 Page - STMicroelectronics

部件名 TSH512
功能描述  HiFi stereo/mono infrared transmitter Stereo sub-carrier generator
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TSH512 数据表(HTML) 8 Page - STMicroelectronics

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TSH512
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Microphone Biasing Section
VMIC-BIAS
Microphone Biasing Voltage
(see page 15)
IMIC-BIAS = 2.5 mA
2.15
2.25
2.35
V
∆V
MIC-BIAS
VMIC-BIAS temperature coefficient
Over temperature range
[0, 70°C]
[-40, 85°C]
IMIC-BIAS = 2.5 mA
260
460
ppm/°C
IMIC-BIAS
MIC-BIAS current capability
over VCC range
[2.3V-5.5V]
2.5
mA
PSRR-
MIC-BIAS
Power Supply Rejection Ratio of
MIC-BIAS
@ 1kHz and
V ripple = 25mVRMS
50
dB
enMIC-BIAS Equivalent input noise of MIC-BIAS
VCC=2.7V
VCC=5.0V
22
42
nV/
√Hz
Vox Operated Switch (VOX) Section
IVOX-TIMER
Monostable Current Source
(VOX-TIMER pin 29)
Vcc = 2.7V
5µA
VTH-
VOX-TIMER
Threshold voltage of the Monostable
(Time Constant)
1.4
V
VMUTE_L
Low Level Output Voltage
(VOX-MUTE Pin27)
RL = 2 k
Ω
0.2
V
VMUTE_H
High Level Output Voltage
(VOX-MUTE Pin27)
RL = 2 k
Ω
Vcc-0.3
V
Standby
VSBY_IL
max
Max. Low Level Input Voltage of
Standby input (SBY Pin5)
0.1xVcc
V
VSBY_IH
min
Min. High Level Input Voltage of
Standby input (SBY Pin5)
0.9xVcc
V
VCO Section
VVCO-BIAS
VCO-BIAS output voltage
(VCO-BIAS1 pin18 or VCO-BIAS2 pin
38)
With No Load
1.43
1.47
1.51
VDC
IVCO-BIAS
VCO-BIAS output current capability
VVCO-BIAS > 1.38V
40
µA
δV
VCO-BIAS VCO-BIAS voltage drift
2.3V < Vcc < 5.5V
[0, 70°C] Vcc=2.7V
[0, 70°C] Vcc=5.0V
[-40, 85°C] Vcc=2.7V
[-40, 85°C] Vcc=5.0V
8
+265
+356
+265
+356
mV/V
ppm/°C
ppm/°C
ppm/°C
ppm/°C
PNLO
Phase Noise
@ 1kHz,
L = 120µH (Q=30) and
RVCO no connected
-80
dBc
SVRVCO-BIAS
Supply Voltage Rejection Ratio of
VCO-BIAS
With No Load
43
dB
ZVCO-OUT
VCO Output Impedance
(VCO-OUT1 pin22 or VCO-OUT2
pin34)
400
Ω
Symbol
Parameter
Test condition
Min
Typ
Max
Unit



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