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TSH512CF 数据表(PDF) 7 Page - STMicroelectronics

部件名 TSH512CF
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

TSH512CF 数据表(HTML) 7 Page - STMicroelectronics

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TSH512
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ELECTRICAL CHARACTERISTICS
Vcc = 2.7V, Tamb = 25°C, faudio = 1 kHz, fcarrier = 2.8 MHz (unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Overall Circuit
ICC_TOT
Current consumption,
TX1 and TX2 are on.
TX1 on, TX2 on,
MIC-BIAS1 and
MIC-BIAS2 not used:
VOX-MUTE=1, output
buffers on
VOX-MUTE=0, output
buffers off
16
11
18.6
12.8
mA
mA
ICC_SBY
Current consumption
with TX2 in stand-by:
SBY (pin5) active
TX1 on, TX2 off,
MIC-BIAS1 and
MIC-BIAS2 not used:
VOX-MUTE=1, output
buffers on
VOX-MUTE=0, output
buffers off
10
7
11.5
8
mA
mA
LNA Sections (for TX1 and TX2)
GBPLNA
Gain Band Product
No external load
7
MHz
RinLNA
Input Resistance on positive input:
(LNA-INP1 pin 12 or
LNA-INP2 pin 44)
30
k
Ω
THDLNA
Total Harmonic Distortion
GLNA=0dB VoutLNA
=700mVPP
0.01
0.05
%
En
Equivalent Input Noise Voltage
GLNA=40dB, at f=1kHz
Rs=390
Ω,
Rfeedback= 39k
Ω
6
nV/
√Hz
Automatic Level Control (ALC) Section
GALC
Voltage Gain
20
dB
VALC_OUT
Regulated Output Level
(At positive input of the PEA amplifier)
600
710
800
mVpp
Pre-Emphasis Amplifier (PEA) Section
GBPPEA
Gain Band Product
(PEA-OUT1 pin17 or PEA-OUT2 pin39)
No Load
9
MHz
VOpp-PEA
Output voltage
RL = 22k
Ω
550
mVpp
Audio LNA+ALC+PEA sections
THDALC
Total Harmonic Distorsion
in linear region on PEA-OUT1 pin17 or
PEA-OUT2 pin 39
GLNA = 0 dB, f =1kHz
VinALC < 25mVrms
(-30dBu)
RL = 22 k
Ω tied to GND
0.05
0.15
%
THDAGC
Total Harmonic Distorsion in compres-
sion region
(Vin)ALC = 36mVrms
(-27dBu)
(Vin)ALC= 100mVrms
(-18dBu)
RL = 22 k
Ω tied to GND
1.3
3
1.7
4
%
%
ΦΜ
PEA
Phase Margin at
PEA-OUT1 pin 17 or
PEA-OUT2 pin 39
RL = 22 k
Ω
LNA and PEA at unity
gain
Vin = 40mV
70
°



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