Specifications

PL 3120/PL 3150/PL 3170 Power Line Smart Transceiver Data Book 219
Reference Design Specifications
Recommended Operating Conditions for Reference Designs with 1Ap-p Transmit Amplifier
Symbol Parameter Min Typ Max Unit
V
ARX
V
A
Supply Voltage - Receive Mode
8.5 12.0 18.0 V
V
ATX
V
A
Supply Voltage - Transmit Mode (1)
10.8 12.0 18.0 V
T
A
Ambient Temperature (1) -40 25 85
°C
Electrical characteristics of Reference Designs with 1Ap-p Transmit Amplifier
(over recommended operating conditions)
Symbol Parameter Min Typ Max Unit
I
ARX
V
A
Supply Current - Receive Mode
350 500
μA
I
ATX
V
A
Supply Current - Transmit Mode
120 250 mA
V
OTX
Transmit Output Voltage 7 Vp-p
I
TXLIM
Transmit Output Current Limit 1.0 Ap-p
Z
INRX
Input Impedance - Receive Mode
(with recommended RXCOMP inductor)
500
Ω
Z
OTX
Output Impedance - Transmit Mode 0.9
Ω
V
PMU
Power Management - Upper V
A
Threshold
11.2 12.1 13.0 V
V
PML
Power Management - Lower V
A
Threshold
7.3 7.9 8.6 V
NOTE 1: Minimum value can be 8.5V under certain conditions (refer to Chapter 5 for details).
The following formula must also be satisfied:
Where:
V
ATXAVE
= Average V
A
supply voltage while transmitting
T
AMAX
= Maximum ambient temperature (degrees C)
D
MAX
= Maximum transmit duty cycle of the device (expressed as a decimal number where 0.64 is the practical max)
k = 8.0 for reference design numbers 1200, 1201, 1204, 1205, and 1217
k = 9.3 for reference design number 1255
V
ATXAVE
formula results for common input values:
T
AMAX
D
MAX
V
ATXAVE
w/ most 1Ap-p Amps
V
ATXAVE
w/ #1255 1Ap-p Amp
85C 64% 12.7V 10.9V
70C 64% 15.6V 13.4V
85C 45% 18V (V
A
max limit) 15.5V
70C 55% 18V (V
A
max limit) 15.6V
55C 64% 18V (V
A
max limit) 15.9V