ST7540 STMicroelectronics, ST7540 Datasheet - Page 30

• Manufacturer Part Number: ST7540
• Description: IC TXRX FSK POWER LINE 28-TSSOP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST7540

• 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
• Product: Modem Chip
• Data Rate: 4.8 KBd (Typ)
• Supply Voltage (max): 5.25 V or 13.5 V
• Supply Voltage (min): 4.75 V or 7.5 V
• Supply Current: 3.5 mA or 54 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• 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: Lead free / RoHS Compliant
• Other names: 497-5527-5

Functional description
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Inputs and outputs of PA are available on pins PA_IN-,PA_IN+ and PA_OUT. User can easily
select an appropriate active filtering topology to filter the signal present on TX_OUT pin.
TX_OUT output has a current capability much lower than PA_OUT.
Figure 19. PA_OUT and V
V
V
V
cc
ss
V
PA_OUT(AC)
CC
relationship
≤
3V
≤
1.5V
V
PA_OUT(DC)
t
D03IN1425
ST7540