ST7570 Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

ST7570

S-FSK power line networking system-on-chip

STMicroelectronics 

Electrical characteristics

ST7570

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Note

V(PA_OUT) TOL Power amplifier output tolerance (2)

V(PA_OUT) HD2

Power amplifier output 2nd

harmonic distortion

V(PA_OUT) HD3

Power amplifier output 3rd

harmonic distortion

V(PA_OUT) THD

Power amplifier output total

harmonic distortion

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

C(PA_IN)

Power amplifier input capacitance

PA_IN+ vs. VSS (3)

PA_IN- vs. VSS (3)

50 Hz

PSRR

Power supply rejection ratio

1 kHz

100 kHz

Min.

-3%

Typ.

-70

-66

0.1

10

10

100

93

70

Max. Unit

+3%

-63 dBc

-63 dBc

0.15 %

pF

pF

dB

dB

dB

CL_TH

CL_RATIO

Current sense high threshold on CL

pin

Ratio between PA_OUT and CL

output current.

2.25 2.35 2.4

V

80

Transmitter

V(TX_OUT) BIAS

Transmitter output bias voltage - Rx

mode

V(TX_OUT) MAX

Transmitter output maximum

voltage swing

TX_GAIN = 31, No

load

TX_GAIN Transmitter output digital gain range

TX_GAIN TOL

Transmitter output digital gain

tolerance

R(TX_OUT) Transmitter output resistance

V(TX_OUT) HD2

Transmitter output 2nd harmonic

distortion

V(TX_OUT) HD3

Transmitter output 3rd harmonic

distortion

V(TX_OUT) THD

Transmitter output Total harmonic

distortion

V(TX_OUT) = 4.5

Vpkpk (typ.), no load,

T = 25°C

4.8

0

-0.35

VCCA/

2

V

4.95 VCCA V p-p

31

0.35 dB

1

kΩ

-72

-55 dBc

-70

-67 dBc

0.1

0.2

%

Receiver

V(RX_IN) MAX Receiver input maximum voltage

V(RX_IN) BIAS Receiver input bias voltage

Z(RX_IN)

Receiver input Impedance

V(RX_IN) MIN Receiver input sensitivity

VCC = 18 V

Bit rate = 1200 bps @

50 Hz,

BER = 10-3, SNR =

20 dB

16

VCCA/

2

10

45

V p-p

V

kΩ

dBµV

rms

10/26

Doc ID 17526 Rev 2

Share Link: