TSH512 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TSH512' PDF : 32 Pages View PDF
TSH512
3
Electrical characteristics
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
-40° C < Tamb < +85° C
VOX-MUTE=1 output buffers on
VOX-MUTE=0, output buffers off
ICC_SBY
TX1 on, TX2 off, MIC-BIAS1 and
MIC-BIAS2 not used:
Current consumption with VOX-MUTE=1,output buffers on
TX2 in standby: SBY (pin5) VOX-MUTE=0, output buffers off
active
-40° C < Tamb < +85° C
VOX-MUTE=1, output buffers on
VOX-MUTE=0, output buffers off
LNA sections (for TX1 and TX2)
GBPLNA
RinLNA
Gain bandwidth product No external load
Input resistance on positive
input:
(LNA-INP1 pin 12 or
LNA-INP2 pin 44)
THDLNA Total harmonic distortion
En
Equivalent input noise
voltage
Automatic level control (ALC) section
GLNA = 0 dB, VoutLNA = 700 mVPP
-40° C < Tamb < +85° C
GLNA = 40 dB, at f = 1 kHz
RS = 390 Ω, Rfeedback = 39 kΩ
GALC
VALC_OUT
Voltage gain
Regulated output level
(at positive input of the PEA
amplifier)
-40° C < Tamb < +85° C
Pre-emphasis amplifier (PEA) section
GBPPEA
Gain bandwidth product
(PEA-OUT1 pin 17 or
PEA-OUT2 pin 39)
No load
VOpp-PEA Output voltage
RL = 22 kΩ
16 18.6
11 12.8 mA
19.6
13.8
10 11.5
7
8
mA
12.1
8.6
7
MHz
30
kΩ
0.01 0.05
%
0.05
6
nV/√Hz
20
dB
600 710 800
mVpp
597
803
9
MHz
550
mVpp
Doc ID 8120 Rev 7
7/31
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