ST7538Q STMicroelectronics, ST7538Q Datasheet - Page 7

• Manufacturer Part Number: ST7538Q
• Description: IC TXRX FSK POWER LINE 44-TQFP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST7538Q

• Number Of Drivers/receivers: 1/1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP Exposed Pad, 44-eTQFP, 44-HTQFP, 44-VQFP
• For Use With: 497-5484 - BOARD EVAL ST7538 PWR LINE TXRX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Protocol: -
• Other names: 497-5525

ST7538Q
Table 1. Pin description (continued)
1. If not used this pin must be connected to VDC
2. Cannot be left floating
3. Cannot be left floating
4. If not used this pin must be connected to VDC
5. If not used this pin must be tied low (SGND or PAVss or DVss)
Pin N°
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
C_MINUS
REG_DATA Digital/Input
C_PLUS
Vsense
REGOK
C_OUT
TEST2
TEST1
SGND
XOUT
Name
RxFO
AVdd
GND
VDC
XIN
RAI
NC
NC
PG
NC
(3)
(5)
(4)
Supply
Analog Output
Analog Input
Supply
Analog/Input
Analog/Input
Analog/Output
Analog/Input
Power
floating
Digital/Input
with internal pull-down
Digital/Output
Analog/Input
Analog/Input
floating
Analog/Output
Supply
Digital/Output
with internal pull-down
floating
Type
Analog Signal Ground
Crystal Output
Crystal Oscillator Input - External Clock Input
Analog Power supply.
Output Voltage Sensing input for the voltage control loop
Test Input must be connected SGND
Receiving Filter Output
Receiving Analog Input
5V Voltage Regulator Output
Must Be connected to DVss.
Test input. Must Be connected to DVss.
Security checksum logic output
"1" - Stored data Corrupted
"0" - Stored data OK
Op-amp Inverting Input.
Op-amp Not Inverting Input.
Must Be connected to DVss
Op-amp Output
Substrate Ground (same function as PIN 6)
Power Good logic Output
"1" - VDC is above 4.5V and DVdd is above 3.125V
"0" - VDC is below 4.25V or DVdd is below 2.875V
Mains or Control Register Access Selector
"1" - Control Register Access
"0" - Mains Access
Must be connected to DVss.
Description
Pin settings
7/44