TSH511 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TSH511' PDF : 25 Pages View PDF
TSH511
4
Overall circuit performance
Overall circuit performance
Figure 2.
20
18
16
14
12
10
8
6
4
2
0
0
Supply current vs. supply voltage
RX1+RX2+Buffers
RX1+Buffers
RX1+ (RX1 Buffer)
1
2
3
4
5
6
V (V)
CC
Figure 3. Squelch threshold vs. RMUTE input
resistor
60
V = 2.7V
50
CC
40
F = 100 kHz
IN
30
20
F = 1 MHz
IN
10
0
1
10
100
R (kΩ)
MUTE
Figure 4. S/N vs. 2.8 MHz input level
60
50
PSOPH
40
30
BW = 30 kHz
20
10
V = 2.7 V
CC
Deviation = +/-75 kHz
0
1
10
100
1000
Input Level (μV)
Note:
PSOPH: Signal on Noise Ratio curve measured with a CCITT standard psophometric
bandpass characteristic. It approximates the response of human hearing.
Figure 5. Supply current vs. temperature
20
18
V = 2.7V
CC
16
14
12
10
8
6
4
2
0
-40 -20
TX1+TX2+Buffers
TX1+TX2
TX1+Buffers
TX1
0
20
40
60
80
T (°C)
AMB
Figure 6. Sensitivity vs. supply voltage
25
20
15
10
5
0
2
F
= 2.8MHz
CARRIER
F = 1 kHz
MOD
Deviation = +/- 75kHz
BW = 30 kHz
3
4
5
V (V)
CC
9/25
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