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CXA3329ER

Analog Signal Processor TX-IF IC for W-CDMA Cellular Phones

Sony Semiconductor 

CXA3329ER

Design Materials (Design Guarantee)

Electrical Characteristics

(VCC = 2.7 to 3.8V, Ta = –25 to +85°C)

Item

Symbol

Conditions

Measurement

point

Min.

Typ.

Max.

Unit

DC Characteristics

Current consumption 1 Imax VCONT = 2.85V

Current consumption 2 Imin VCONT = 0V

A

24

mA

A

17

Power saving current Ips PS = low (in power saving mode)

A

— — 5 µA

AC Characteristics

Output IP3

OIP3 Note1 (See page 6.)

B

8.5 — — dBm

Output power 1

Output power 2

PO1

VCONT = 2.3V,

differential output, f = 380MHz

PO2

VCONT = 0.3V,

differential output, f = 380MHz

B

–19 –15 –11

dBm

B

–83 –77 –73

Gain control range

Gcr

VCONT = 0.3 to 2.3V,

f = 380MHz

B

54 62 70 dB

Gain accuracy

Difference between the output

Gct powers where Ta = –25°C, 85°C

and Ta = 27°C

B

–2 0 2 dB

Gain flatness

Gflat IF ± 2.5MHz

B

–0.25 0 0.25 dB

Output noise power 1 No1

Output noise power 2 No2

PO = –25dB,

I/Q inputs are no signal.

PO = –65dBm,

I/Q inputs are no signal.

B

— — –147

dBm/

Hz

B

— — –162

I, Q residual sideband

product

Img

Suppression ratio of desired signal

(f = 380 + 1) MHz and image

signal (f = 380 – 1) MHz

B

Carrier leak

Ratio of desired signal

CL

(f = 380 + 1) MHz and local leak

B

(f = 380) MHz

— — –25

dBc

— — –18

Input I/Q phase error IQPE

Input signal I/Q phase difference

–90° when the output signal I/Q

phase difference is 90°.

B

–3 0 3 deg

Input I/Q gain error

IQGE

I/Q input signal level difference

when output signal I/Q levels are

the same.

B

–2.5 0 2.5 dB

Error vector magnitude EVM

B

—— 3 %

Response time

Tr

Until output rise of 90% after the

power is turned ON.

B

— — 10 µs

• Unless otherwise specified, the I/Q baseband input signals and local input signal use the conditions shown in

the Electrical Characteristics Measurement Circuit and the control voltage and power saving pins are set to

VCONT = 2.3V, PS = high.

The local switching pin is left open (1/2 frequency division).

• IF output impedance is 1kΩ.

• Values measured with a Sony evaluation board.

– 12 –

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