ST7540TR STMicroelectronics, ST7540TR Datasheet - Page 29

• Manufacturer Part Number: ST7540TR
• Description: IC TXRX FSK POWER LINE 28-TSSOP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST7540TR

• Number Of Drivers/receivers: 1/1
• Voltage - Supply: 5 V ~ 9 V
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• For Use With: 497-5485 - BOARD EVAL ST7540 PWR LINE TXRX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Protocol: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 497-5528-2

ST7540
Note:
Table 11. V
Notes: The rate of R2 takes in account the input resistance on the V
capacitor effect has been neglected.
Figure 18. Typical output current vs RCL
●
Vout (Vrms)
Integrated Power Line Interface (PLI)
The Power Amplifier (PA) is a CMOS AB Class Power Amplifier. The PA requires, to
ensure a proper
operation, a regulated and well filtered Supply Voltage. Vcc Voltage and PA_OUT
Voltage must fulfil
the following formulas to work without clipping phenomena:
0.150
0.250
0.350
0.500
0.625
0.750
0.875
1.000
1.250
1.500
Irms
(mA)
1220
1120
1020
920
820
720
620
520
420
320
220
120
OUT
0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1
Vs. R1 & R2 resistors value
Vout (dBµV)
103.5
108.0
110.9
114.0
115.9
117.5
118.8
120.0
121.9
123.5
V
CC
VPOUT DC
≥
VPAOUT AC
--------------------------------------- -
(
2
)
(R1+R2)/R2
(
–
VPAOUT AC
--------------------------------------- -
10.8
1.1
1.9
2.7
3.7
4.7
5.8
6.6
7.6
9.5
)
+
VPOUT DC
2
(
(
)
≥
1.5V
)
R2 (KΩ)
+
1.6
3V
7.5
5.1
3.6
3.3
3.3
2.7
2.0
1.6
1.6
SENSE
Functional description
D01IN1311
Rcl(kΩ)
pin (36K
R1 (KΩ)
11.0
12.0
11.0
10.0
13.0
15.0
1.0
3.9
5.6
8.2
Ω
). 10nF
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