ST7540 STMicroelectronics, ST7540 Datasheet - Page 12

• 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

Electrical characteristics
12/44
Table 5. Electrical characteristics (continued)
( V
unless otherwise specified)
Receiver
DD
HD2
HD3
Symbol
V
V
= +5V, V
V
V
R
CD
BU
PA_OUT
PA_OUT
IN
IN
IN
CC
Second harmonic
distortion on PA_OUT
Third harmonic
distortion on PA_OUT
pin
Input sensitivity
(Normal Mode)
Input sensitivity
(High Sens.)
Input sensitivity (TxD
line forced to “1”)
Maximum input signal
Input impedance
Carrier detection
sensitivity
(Normal Mode)
Carrier detection
sensitivity
(High Sensitivity Mode)
Carrier detection
sensitivity
(TxD forced to “1”)
Band in Use Detection
Level
=+9 V, V
Parameter
SS
= SV
SS
= GND = 0V,-40°C ≤ T
V
V
R
Carrier frequency:
86KHz
Figure 3
V
V
R
Carrier frequency:
86KHz
Figure 3
PA_OUT
CC
PA_OUT
CC
LOAD
LOAD
Test condition
= 12V
= 12V
= 30Ω
= 30Ω
= 5.6V
= 5.6V
PP
PP
,
,
A
≤ 85°C, T
Min.
80
J
< 125°C,
Typ.
83.5
V
V
250
100
250
0.5
0.5
BU
BU
Max.
- 63
140
-63
86
2
2
2
ST7540
µVrms
µVrms
µVrms
mV
mV
µV
µV
Unit
V
dB
dB
dB/
dB/
dB/
kΩ
rms
rms
rms
rms
rms
c
c