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ST7570 数据表(PDF) 10 Page - STMicroelectronics

部件名 ST7570
功能描述  S-FSK power line networking system-on-chip
PDF  26 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7570 数据表(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
ST7570
10/26
Doc ID 17526 Rev 2
V(PA_OUT) TOL
Power amplifier output tolerance (2)
VCC=18 V,
V(PA_OUT) = 14 V p-
p (typ), V(PA_OUT)
BIAS = VCC/2,
RLOAD=50Ω, T = 25°C
See Figure 3
-3%
+3%
V(PA_OUT) HD2
Power amplifier output 2nd
harmonic distortion
-70
-63
dBc
V(PA_OUT) HD3
Power amplifier output 3rd
harmonic distortion
-66
-63
dBc
V(PA_OUT) THD
Power amplifier output total
harmonic distortion
0.1
0.15
%
C(PA_IN)
Power amplifier input capacitance
PA_IN+ vs. VSS (3)
10
pF
PA_IN- vs. VSS (3)
10
pF
PSRR
Power supply rejection ratio
50 Hz
100
dB
1 kHz
93
dB
100 kHz
70
dB
CL_TH
Current sense high threshold on CL
pin
2.25
2.35
2.4
V
CL_RATIO
Ratio between PA_OUT and CL
output current.
80
Transmitter
V(TX_OUT) BIAS
Transmitter output bias voltage - Rx
mode
VCCA/
2
V
V(TX_OUT) MAX
Transmitter output maximum
voltage swing
TX_GAIN = 31, No
load
4.8
4.95
VCCA
V p-p
TX_GAIN
Transmitter output digital gain range
0
31
TX_GAIN TOL
Transmitter output digital gain
tolerance
-0.35
0.35
dB
R(TX_OUT)
Transmitter output resistance
1
k
Ω
V(TX_OUT) HD2
Transmitter output 2nd harmonic
distortion
V(TX_OUT) = 4.5
Vpkpk (typ.), no load,
T = 25°C
-72
-55
dBc
V(TX_OUT) HD3
Transmitter output 3rd harmonic
distortion
-70
-67
dBc
V(TX_OUT) THD
Transmitter output Total harmonic
distortion
0.1
0.2
%
Receiver
V(RX_IN) MAX
Receiver input maximum voltage
VCC = 18 V
16
V p-p
V(RX_IN) BIAS
Receiver input bias voltage
VCCA/
2
V
Z(RX_IN)
Receiver input Impedance
10
k
Ω
V(RX_IN) MIN
Receiver input sensitivity
Bit rate = 1200 bps @
50 Hz,
BER = 10-3, SNR =
20 dB
45
dBµV
rms
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Note
Min.
Typ.
Max.
Unit



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