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UAA2077TS

更新时间： 2024-02-13 08:05:56

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
16页	73K
描述
2 GHz image rejecting front-end

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UAA2077TS 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	SSOP, SSOP16,.25	Reach Compliance Code：	unknown
风险等级：	5.78	Is Samacsys：	N
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e0
端子数量：	16	最高工作温度：	70 °C
最低工作温度：	-30 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装等效代码：	SSOP16,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
电源：	2.8 V	认证状态：	Not Qualified
子类别：	Other Telecom ICs	最大压摆率：	28 mA
标称供电电压：	2.8 V	表面贴装：	YES
技术：	BICMOS	温度等级：	OTHER
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
Base Number Matches：	1

UAA2077TS 数据手册

Philips Semiconductors

Preliminary speciﬁcation

2 GHz image rejecting front-end

UAA2077TS

FEATURES

The main advantage of the UAA2077TS is its ability to

provide an image rejection over 30 dB. Therefore, an

additional image filter between the Low Noise Amplifier

(LNA) and the mixer is not required.

• Low noise, wide dynamic range amplifier

• Very low noise figure

• Dual balanced mixers for over 30 dB on-chip image

rejection

Image rejection is achieved internally by two RF mixers in

quadrature operation and two all-pass filters in the I and Q

IF channels that shift the phase of signals by 45° and 135°

respectively. These two phase shifted IF signals are

combined and buffered to the front-end IF output signal.

• Quadrature 200 MHz IF recombiner

• On-chip quadrature network

• Independent SX, RX, power-down control modes and

fast power-up switching

An input signal with a frequency above the Local Oscillator

(LO) frequency results in an IF signal, while an input signal

with a frequency below the LO frequency is rejected.

• Very small outline packaging

• No image filter required, resulting in a very small

The receive section consists of an LNA that drives a

quadrature mixer pair. The IF amplifier consists of an

on-chip 45° and 135° phase shifting network and an image

reject IF recombiner. The IF driver has differential

open-collector outputs.

application.

APPLICATIONS

• GSM dual band solution with UAA3522HL

• High frequency front-end for DCS1800/PCS1900

portable hand-held equipment

The LO part consists of an internal all-pass phase shifting

filter to provide the quadrature LO signals for the mixers of

the receive section. The all-pass filter output signals are

buffered before being fed to the mixers. All RF inputs and

IF outputs are balanced.

• Compact mobile digital communication equipment

• Time Division Multiple Access (TDMA) receivers e.g.

RF Local Area Networks (RF LANs).

Pins RXON and SXON allow control of the different active

modes and power-down. The SX mode and the RX mode

are independent active states of the LO section and the

receive section respectively. When the logic level on

pin SXON is HIGH, all internal buffers in the LO path of the

circuit are turned on, thus minimizing LO pulling during the

independent powering up of the receive section. Special

care has been taken by design for fast switching from

power-down to any of the different active modes.

GENERAL DESCRIPTION

The UAA2077TS contains a 2 GHz front-end receiver

intended to be used in mobile telephones. Designed in an

advanced BiCMOS process it combines high performance

with a low power consumption and high integration, thus

reducing external component costs and overall front-end

size.

QUICK REFERENCE DATA

SYMBOL

V_CC

PARAMETER

supply voltage

CONDITIONS

MIN.

2.7

TYP. MAX. UNIT

2.8

−

3.3

I_CC(pd)

I_CC(SRX)

T_amb

power-down supply current

supply current in SRX mode

ambient temperature

−

µA

°C

−

+25

−30

+70

ORDERING INFORMATION

TYPE

PACKAGE

NUMBER

NAME

DESCRIPTION

VERSION

UAA2077TS/D

SSOP16

plastic shrink small outline package; 16 leads; body width 4.4 mm

SOT369-1

2000 Apr 17

123 4 5 6 7...16

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