STCOM datasheet(50/58 Pages) STMICROELECTRONICS

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Electrical characteristics

STCOM

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DocID028515 Rev 1

4.4

PLC analog front-end (AFE) and line driver characteristics

4.4.1

Line driver characteristics

Table 23. Line driver characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

V(PAx_OUT)

BIAS

Power amplifier output

Bias voltage

- Rx mode

PVCC/2

GBWP

Power amplifier

Gain-bandwidth product

149

MHz

I(PAx_OUT)

MAX

Power amplifier

Maximum output current

1000

mA rms

V(PAx_OUT)

HD2

Power amplifier output

2nd harmonic distortion

VCC = 18 V,

V(PA_OUT) = 13 Vpp,

Rload = 50 Ω,

f = 100 kHz

V(PA_OUT) DC = PVCC/2

-64

dBc

V(PAx_OUT)

HD3

Power amplifier output

3rd harmonic distortion

-67

dBc

V(PAx_OUT)

THD

Power amplifier output

Total harmonic distortion

-61

V(PAx_OUT)

HD2

Power amplifier output

2nd harmonic distortion

VCC = 18 V,

V(PA_OUT) = 13 Vpp,

Rload = 50 Ω,

f = 500 kHz

V(PA_OUT) DC = PVCC/2

-57

dBc

V(PAx_OUT)

HD3

Power amplifier output

3rd harmonic distortion

-58

dBc

V(PAx_OUT)

THD

Power amplifier output

Total harmonic distortion

-54

C(PAx_INP),

C(PAx_INN)

Power amplifier Input

capacitance

PA_IN+ vs. VSS (see(1))10

PA_IN- vs. VSS (see(1))10

PSRR

Power supply rejection ratio

50 Hz

-100

1 kHz

-88

CSF_RATIO

Ratio between PA_OUT and

CSF output current

106

1. Not tested in production, guaranteed by design.

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