System Module Technical Documentation

Signal name

From

To

Parameter

Minimum

Typical

Maximum

Unit

Function

TXIP/TXIN

RFI2

CRFRT

Differential voltage swing

2.23

2.40

2.57

Vpp

Differential in-phase TX baseband signal

DC level

2.016

2.1

2.40

V

for the RF modulator

Differential offset voltage

± 4.7

mV

Diff. offset voltage temp. dependence

± 2.0

mV

Offset voltage

± 10

mV

Source impedance

50

ohm

Load resistance

16

kohm

Load capacitance

10

pF

DNL

± 0.9

LSB

INL

±1

LSB

Group delay mismatch

100

ns

TXQP/TXQN

RFI2

CRFRT

Differential voltage swing

2.23

2.40

2.57

Vpp

Differential quadrature phase TX baseband

DC level

2.016

2.1

2.40

V

signal for the RF modulator

Differential offset voltage

±4.7

mV

Diff. offset voltage temp. dependence

±2.0

mV

Offset voltage

±10

mV

Source impedance

50

ohm

Load resistance

16

kohm

Load capacitance

10

pF

Resolution

8

bits

DNL

± 0.9

LSB

INL

±1

LSB

Group delay mismatch

100

ns

TXP

MAD

RF/TX

Logic high "1"

2.78

3.08

3.38

V

Transmitter power

Logic low "0"

0

0.1

0.2

V

control enable

Load Resistance

50

kohm

Load Capacitance

10

pF

Timing inaccuracy

1

us

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