SA620

更新时间： 2024-11-28 22:43:35

品牌	Logo	应用领域
恩智浦 - NXP		放大器
页数	文件大小	规格书
11页	333K
描述
Low voltage LNA, mixer and VCO - 1GHz

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SA620 数据手册

Philips Semiconductors RF Communications Products

Product specification

Low voltage LNA, mixer and VCO — 1GHz

SA620

DESCRIPTION

FEATURES

PIN CONFIGURATION

The SA620 is a combined RF amplifier, VCO

with tracking bandpass filter and mixer

designed for high-performance low-power

communication systems from 800-1200MHz.

The low-noise preamplifier has a 1.6dB noise

figure at 900MHz with 11.5dB gain and an

IP3 intercept of -3dBm at the input. The gain

is stabilized by on-chip compensation to vary

less than ±0.2dB over -40 to +85°C

temperature range. The wide-dynamic-range

mixer has an 9dB noise figure and IP3 of

–6dBm at the input at 900MHz. An external

LO can be used in place of the internal VCO

for improved mixer input IP3 and a 3mA

reduction in current. The chip incorporates a

through-mode option so the RF amplifier can

be disabled and replaced by an attenuator

• Low current consumption: 10.4mA nominal,

DK Package

7.2mA with thru-mode activated

LNA ENABLE

LNA GND

• Outstanding noise figure: 1.6dB for the

LNA GND

LNA OUT

LNA BIAS

amplifier and 9dB for the mixer at 900MHz

LNA IN

LNA GND

• Excellent gain stability versus temperature

and supply voltage

MIXER IN

• Switchable overload capability

MIXER GND

MIXER BYPASS

OSC GND

• Independent LNA, mixer and VCO power

MIXER PWRDN

down capability

OSC PWRDN

MIXER OUT

OSC GND

• Internal VCO automatic leveling loop

OSC1

OSC2

• Monotonic VCO frequency vs control

11 VCO OUT

voltage

(S = –7.5dB). This is useful for improving

APPLICATIONS

the overall dynamic range of the receiver

when in an overload situation. The nominal

current drawn from a single 3V supply is

10.4mA and 7.2mA in the thru-mode.

Additionally, the VCO and Mixer can be

powered down to further reduce the supply

current to 1.2mA.

• 900MHz cellular front-end

• 900MHz cordless front-end

• Spread spectrum receivers

• RF data links

• UHF frequency conversion

• Portable radio

ORDERING INFORMATION

DESCRIPTION

TEMPERATURE RANGE

-40 to +85°C

ORDER CODE

DWG #

20-Pin Plastic Shrink Small Outline Package (Surface-mount, SSOP)

SA620DK

1563

BLOCK DIAGRAM

LNA

GND

LNA

OUT

LNA

BIAS

MIXER

GND

MIXER

BYPASS

MIXER

OUT

OSC

GND

VCO

OUT

TRACKING

BANDPASS

FILTER

AUTOMATIC

LEVELING

LOOP

LNA

VCO

LNA

ENABLE

LNA

GND

LNA IN

LNA

GND

LNA

GND

OSC

GND

MIXER

PWRDN

OSC

PWRDN

OSC1

OSC2

December 15, 1993

853-1725 11658

12 3 4 5 6 7...11

中文翻译

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与SA620相关器件

型号	品牌	获取价格	描述	数据表
SA620DK	NXP	获取价格	Low voltage LNA, mixer and VCO - 1GHz
SA620DK,118	NXP	获取价格	SA620 - Low voltage LNA, mixer and VCO - 1 GHz SSOP2 20-Pin
SA620DK-T	PHILIPS	获取价格	RF/Microwave Mixer
SA621	NXP	获取价格	1GHz - Low voltage LNA, mixer and VCO
SA621DH	NXP	获取价格	1GHz - Low voltage LNA, mixer and VCO
SA621DH-T	NXP	获取价格	暂无描述
SA621DK	NXP	获取价格	RF/Microwave Mixer, 800 MHz - 1000 MHz RF/MICROWAVE DOUBLE BALANCED MIXER
SA621DK-T	NXP	获取价格	RF/Microwave Mixer, 800 MHz - 1000 MHz RF/MICROWAVE DOUBLE BALANCED MIXER
SA624	NXP	获取价格	High performance low power FM IF system with high-speed RSSI
SA624D	NXP	获取价格	High performance low power FM IF system with high-speed RSSI

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