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TSH512CF 数据表(PDF) 7 Page - STMicroelectronics

部件名 TSH512CF
功能描述  Hi-fi stereo/mono infrared transmitter and stereo sub-carrier generator
PDF  31 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
Electrical characteristics
Doc ID 8120 Rev 7
7/31
3
Electrical characteristics
Table 4.
Electrical characteristics for VCC = 2.7 V, Tamb = 25° C, faudio = 1 kHz, fcarrier = 2.8 MHz
(unless otherwise specified) (1)
Symbol
Parameter
Test conditions
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
-40° C < Tamb <+85°C
VOX-MUTE=1 output buffers on
VOX-MUTE=0, output buffers off
19.6
13.8
ICC_SBY
Current consumption with
TX2 in standby: 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
-40° C < Tamb <+85°C
VOX-MUTE=1, output buffers on
VOX-MUTE=0, output buffers off
12.1
8.6
LNA sections (for TX1 and TX2)
GBPLNA
Gain bandwidth 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 =0 dB, VoutLNA = 700 mVPP
0.01
0.05
%
-40° C < Tamb < +85° C
0.05
En
Equivalent input noise
voltage
GLNA = 40dB, at f=1kHz
RS =390 Ω, Rfeedback =39kΩ
6nV/
√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
-40° C < Tamb < +85° C
597
803
Pre-emphasis amplifier (PEA) section
GBPPEA
Gain bandwidth product
(PEA-OUT1 pin 17 or
PEA-OUT2 pin 39)
No load
9
MHz
VOpp-PEA
Output voltage
RL = 22 kΩ
550
mVpp



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