Datasheet > SA636BS,115

SA636BS,115

更新时间： 2024-01-25 10:19:52

品牌	Logo	应用领域
恩智浦 - NXP		电信电信集成电路
页数	文件大小	规格书
31页	2053K
描述
SA636 - Low voltage high performance mixer FM IF system with high-speed RSSI QFN 20-Pin

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SA636BS,115 技术参数

Source Url Status Check Date：	2013-06-14 00:00:00	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQFN-20	针数：	20
Reach Compliance Code：	compliant	风险等级：	1.65
JESD-30 代码：	S-PQCC-N20	长度：	4 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	VQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, VERY THIN PROFILE	峰值回流温度（摄氏度）：	NOT SPECIFIED
座面最大高度：	1 mm	标称供电电压：	3 V
表面贴装：	YES	电信集成电路类型：	TELECOM CIRCUIT
温度等级：	INDUSTRIAL	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	4 mm
Base Number Matches：	1

SA636BS,115 数据手册

SA636

Low voltage high performance mixer FM IF system

with high-speed RSSI

Rev. 7 — 16 June 2016

Product data sheet

1. General description

The SA636 is a low-voltage high performance monolithic FM IF system with high-speed

RSSI incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers,

quadrature detector, logarithmic Received Signal Strength Indicator (RSSI), voltage

regulator, wideband data output and fast RSSI op amps. The SA636 is available in

20-lead SSOP (Shrink Small Outline Package) and HVQFN20 (quad flat package).

The SA636 was designed for high bandwidth portable communication applications and

will function down to 2.7 V. The RF section is similar to the famous SA605. The data

output has a minimum bandwidth of 600 kHz. This is designed to demodulate wideband

data. The RSSI output is amplified. The RSSI output has access to the feedback pin. This

enables the designer to adjust the level of the outputs or add filtering.

SA636 incorporates a power-down mode which powers down the device when

POWER_DOWN_CTRL pin is LOW. Power-down logic levels are CMOS and TTL

compatible with high input impedance.

2. Features and benefits

 Wideband data output (600 kHz minimum)

 Fast RSSI rise and fall times

 Low power consumption: 6.5 mA typical at 3 V

 Mixer input to >500 MHz

 Mixer conversion power gain of 11 dB at 240 MHz

 Mixer noise figure of 12 dB at 240 MHz

 XTAL oscillator effective to 150 MHz (LC oscillator to 1 GHz local oscillator can be

injected)

 92 dB of IF amp/limiter gain

 25 MHz limiter small signal bandwidth

 Temperature compensated logarithmic Received Signal Strength Indicator (RSSI) with

a dynamic range in excess of 90 dB

 RSSI output internal op amp

 Internal op amps with rail-to-rail outputs

 Low external component count; suitable for crystal/ceramic/LC filters

 Excellent sensitivity: 0.54 V into 50  matching network for 12 dB SINAD

(Signal-to-Noise And Distortion ratio) for 1 kHz tone with RF at 240 MHz and IF at

10.7 MHz

 10.7 MHz filter matching (330 )

 Power-down mode (I_CC= 200 A)

12 3 4 5 6 7...31

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