ST7538Q STMicroelectronics, ST7538Q Datasheet - Page 28
![IC TXRX FSK POWER LINE 44-TQFP](/photos/6/84/68458/497-44-tqfp_44-lqfp_sml.jpg)
ST7538Q
Manufacturer Part Number
ST7538Q
Description
IC TXRX FSK POWER LINE 44-TQFP
Manufacturer
STMicroelectronics
Type
Transceiverr
Datasheet
1.ST7538QTR.pdf
(44 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST7538Q
Manufacturer:
STMicroelectronics
Quantity:
135
Company:
Part Number:
ST7538QTR
Manufacturer:
STM
Quantity:
2 495
Company:
Part Number:
ST7538QTR
Manufacturer:
STMicroelectronics
Quantity:
10 000
Functional description
Note:
28/44
Voltage control loop formula
Table 10. Vout vs R1 & R2 resistors value
The rate of R2 takes in account the input resistance on the SENSE pin (36 K
5.6nF capacitor effect has been neglected.
Figure 15. Typical output current vs rcl
Vout (Vrms)
0.150
0.250
0.350
0.500
0.625
0.750
0.875
1.000
1.250
1.500
Vout (dBµV)
(mA)
Irms
325
300
275
250
225
200
175
150
125
100
103.5
108.0
110.9
114.0
115.9
117.5
118.8
120.0
121.9
123.5
VR
PK
2
≅
R
------------------- -
2.5
1
R
+
2
R
(R1+R2)/R2
2
3
⋅
10.8
1.1
1.9
2.7
3.7
4.7
5.8
6.6
7.6
9.5
(
3.5
VCL
TH
4
±
VCL
4.5
HYST
D01IN1311
5
R2 (KΩ)
Rcl(KΩ)
1.6
7.5
5.1
3.6
3.3
3.3
2.7
2.0
1.6
1.6
)
Ω
).
R1 (KΩ)
11.0
12.0
11.0
10.0
13.0
15.0
1.0
3.9
5.6
8.2
ST7538Q