MSM7583 datasheet(13/23 Pages) OKI

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MSM7583

¡ Semiconductor

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Analog Interface Characteristics

Parameter

Output Resistance Load

Output Capacitance Load

Output DC Voltage Level

Output AC Voltage Level

Symbol

RLIQ

CLIQ

VDC1

VAC

Condtion

Min.

—

1.55

340

Typ.

—

1.6

360

Max.

—

380

Unit

mVPP

I+, I–, Q+, Q–, ENV

I+, I–, Q+, Q– (TXW = 0)

I+, I–, Q+, Q–

(TXW = 0 continuous input)

(VDD = 4.5 V to 5.5 V, Ta = –25°C to +70°C)

VDC2

—

1.77

I+ (CR0 – B5 = 1)

when not modulated

VDC3

—

1.67

Q+ (CR0 – B5 = 1)

when not modulated

VDC4

—

1.35

ENV (TXW = 0)

VDC5

—

1.72

ENV (TXW = 1, CR0 – B2 = 0, TXD = 0)

VDC6

—

1.63

ENV (TXW = 1, CR0 – B2 = 1, TXD = 0)

Output DC Voltage Adjustment Level Range

DCVL

—

±45

—

Output AC Voltage Adjustment Level Range

ACVL

—

±4

—

Out-of-band Spectrum

P600

—

600 kHz detuning (*)

P900

—

900 kHz detuning (*)

Modulation Accuracy

EVM

—

1.0

3.0

% rms

—

Demodulator IF Input Level

IFV

0.5

—

VDD

VPP

IFIN input level

IFIN Input Impedance

RIF

—

CIF

—

SG Output Voltage

VSG

—

2.0

—

SG Output Impedance

RSG

—

1.65

—

Offset Voltage Difference

VOFF

–20

—

+20

Difference among

I+, I–, Q+, and Q–

SG warm-up Time

TSG

—

400

—

Modulator D/A

Conversion Sampling Frequency

FSDA

—

1.92

—

MHz

—

SG´AGND 0.1 mF

(Rise Time to 90% of max.

level.)

Modulator D/A

Conversion Offset Frequency

FCDA

—

380

—

kHz

—

* Power attenuation at 600 kHz or 900 kHz

±96 kHz as referred to two times of the power in

frequency band of 0 to 96 kHz

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