cxa1852n Sony Electronics, cxa1852n Datasheet

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cxa1852n

Manufacturer Part Number
cxa1852n
Description
Quadrature Modulator For 900 Mhz-band Mobile Communications
Manufacturer
Sony Electronics
Datasheet
For the availability of this product, please contact the sales office.
Block Diagram and Pin Configuration
Description
This is suitable for 900 MHz digital cordless
telephone (CT2) and digital cellular.
Features
• Quadrature modulator IC has a built-in /2 phase
• Local frequency = 300.1 MHz (max.); I&Q = 36
• Small phase error
• Operating voltage range: 2.7 to 5 V
• Power saving function
• 20-pin SSOP package used for set size reduction
Applications
• CT2 digital cordless telephone
• Digital cellular
Structure
/2 phase shifter with a quadrature modulator.
The CXA1852N is an IC package that combines a
shifter.
kHz (max.)
Bipolar silicon monolithic IC
Quadrature Modulator for 900 MHz-Band Mobile Communications
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
20
1
19
2
F/F
18
3
17
4
LPF
LPF
16
5
—1—
15
6
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
• Operating temperature Topr
• Storage temperature
• Allowable power dissipation
Recommended Operating Conditions
• Supply voltage
When mounted on a 50
foiled glass epoxy board
14
7
MIXER
CXA1852N
13
8
20 pin SSOP (Plastic)
REGULATOR
12
9
ADDER
-AMP
11
10
Tstg
V
V
P
CC
CC
D
50
–65 to +150
–20 to +70
2.7±5.0
1.6 mm copper-
530
6
E93517A5Y-TE
mW
°C
°C
V
V

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cxa1852n Summary of contents

Page 1

... Quadrature Modulator for 900 MHz-Band Mobile Communications For the availability of this product, please contact the sales office. Description The CXA1852N package that combines a /2 phase shifter with a quadrature modulator. This is suitable for 900 MHz digital cordless telephone (CT2) and digital cellular. ...

Page 2

... DC signals can be normally input at the signal input pin. The input 8 impedance is 500k or more. (Signals Vp-p can be input at the V IF output pin. (An output impedance of 50 follower.) 10 —2— CXA1852N Description matching Bias Bias provided by the emitter ...

Page 3

... Vp-p can be input at the signal input pin. The input 14 impedance is 500 k or more (Only DC signals can be normally input at the V Local leak level adjustment pin. Normally ground this pin via resistor —3— CXA1852N Description 1 when P/S 1 Bias Bias.) CC ...

Page 4

... ImR fout=f /2-f LO I/Q Z I/Q T (RISE) P/S T (DOWN) P/S V (ON) P/S V (OFF) P/S Loin (Ta=25 °C, V Symbol Conditions IM3 fout=f -3fI/ f I/Q LO/2 Q —4— CXA1852N =2 = Min. Typ. Max. Unit 10 15 330 480 µA –15 –11 –7.0 dBm /2 26 35.0 dBc LO –49.0 –37 dBm 28.5 37.5 dBc 500 k 1.0 5.0 µs 1.0 3.0 µ ...

Page 5

... Q signal 35 kHz V =V 2 REGULATOR LPF ADDER MIXER LPF Input level –10 dBm 1 Vp-p I/O phase difference = 90 °C 1 Vp-p DC for measuring the local leak —5— CXA1852N 0.01µ 11 -AMP 10 1000p Remarks ...

Page 6

... CXA1852N ...

Page 7

... 500 10 f -Input frequency (MHz vs. Pout, PIm, PI/Q characteristics 2.7 3 6.0 V —7— CXA1852N characteristics (V =5.5V) I/Q CC Pout I/Q 50 100 500 =300.1MHz O LO Pin=-10dBm Pout 3rd-order distortion I/Q 3.5 4 4.5 5 5.5 -Supply voltage (V) ...

Page 8

... =300.1MHz - 10dBm LO P 3rd-order distortion I (°C) =2.7V P/S I=Ib=Q=Qb=GND 250µ 200µ 100µ 50µ 1 1.2 1.4 1.6 P/S pin potential ( —8— CXA1852N characteristics CC V =5. =2. ...

Page 9

... Notes on Operation (1) Electrostatic sensitive diveces because of the high-frequency process . (2) Earth pattern should be as wide as possible, and do not increase ground impedance to prevent from the parasitic oscillation. (3) Wire the GND pin as short as possible. (4) Connect a by-pass capacitor to the V pin. CC —9— CXA1852N ...

Page 10

... MAX SONY CODE EIAJ CODE JEDEC CODE 20PIN SSOP (PLASTIC 0.10 0.22 – 0.05 M 0.10 0.15 PACKAGE STRUCTURE MOLDING COMPOUND LEAD TREATMENT SSOP-20P-L072 SSOP020-P-0225-BN LEAD MATERIAL PACKAGE WEIGHT —10— CXA1852N A 0.1 ± 0.1 0° to 10° DETAIL A EPOXY / PHENOL RESIN SOLDER PLATING COPPER ALLOY 0.1g ...

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