ST7540 STMicroelectronics, ST7540 Datasheet - Page 6

• 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

Pin settings
6/44
Table 1. Pin description (continued)
1. Cannot be left floating
2. Cannot be left floating
N°
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
7
8
9
BU/THERM Digital/Output
UART/SPI
V
TX_OUT
PA_OUT
PA_IN+
SENSE
PA_IN-
TEST1
TEST2
CLR/T
RX_IN
MCLK
Name
RSTO
SV
CL
VDC
V
V
V
WD
X1
X2
DD
SS
CC
SS
(2)
(1)
Digital/Output
Supply/Power
Digital/Output
Digital/Output
Digital/Input
with internal pull-down
Digital/Input
with internal pull-up
Analog/Input
Power/Output
Supply
Supply
Analog/Input
Analog/Output
Supply
Analog/Output
Analog/Input
Analog/Input
Analog/Input
Analog/Input
Power
Digital/Input
with internal pull-down
Analog/Input
Type
Band in use/Thermal Shutdown event detection output.
In Rx mode:
"1" Signal within the programmed band
"0" No signal within the programmed band
In Tx mode:
"1" - Thermal Shutdown event occurred
"0" - No Thermal Shutdown event occurred
(signal not latched)
Synchronous mains access clock or
control register access clock
Digital supply voltage or 3.3V voltage regulator output
Master clock output
Power ON or watchdog reset output
Interface type:
“0” - Serial peripheral interface
“1” - UART interface
Watchdog input. The internal watchdog counter is
cleared on the falling edges.
Power line amplifier inverting input
Power line amplifier output
Power analog ground
Power supply voltage
Power line amplifier not inverting input
Small signal analog transmit output
Analog signal ground
Crystal oscillator output
Crystal oscillator input - or external clock input
Output voltage sensing input for the voltage control loop
Current limiting feedback.
A resistor between CL and SV
limiting value. An integrated 80pF filtering input
capacitance is present on this pin.
Receiving analog input
5V voltage regulator output
Test input. Must be connected to GND.
Test input. Must be connected SV
Description
SS
sets the PLI current
SS
ST7540