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SSM2166P

更新时间： 2024-01-27 06:25:50
品牌 Logo 应用领域
亚德诺 - ADI 消费电路商用集成电路音频放大器视频放大器光电二极管
页数 文件大小 规格书
15页 218K
描述
Microphone Preamplifier with Variable Compression and Noise Gating

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SSM2166P 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP14,.25针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：0.83
Is Samacsys：N标称带宽：20 kHz
商用集成电路类型：AUDIO PREAMPLIFIER增益：20 dB
JESD-30 代码：R-PDSO-G14JESD-609代码：e3
长度：8.65 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：14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：SOP封装等效代码：SOP14,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Audio/Video Amplifiers最大压摆率：10 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
表面贴装：YES技术：BIPOLAR
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3.9 mmBase Number Matches：1

SSM2166P 数据手册

 浏览型号SSM2166P的Datasheet PDF文件第1页浏览型号SSM2166P的Datasheet PDF文件第2页浏览型号SSM2166P的Datasheet PDF文件第4页浏览型号SSM2166P的Datasheet PDF文件第5页浏览型号SSM2166P的Datasheet PDF文件第6页浏览型号SSM2166P的Datasheet PDF文件第7页 
SSM2166  
PIN DESCRIPTION  
Pin #  
Mnemonic  
Function  
1
2
GND  
GAIN ADJUST  
Ground  
VCA Gain Adjust Pin. A resistor from this pin to ground sets the fixed gain of the VCA. To  
check the setting of this pin the compression pin (Pin 10) should be grounded for no com-  
pression. The gain can be varied from 0 dB to 20 dB. For 20 dB leave the pin open. For  
0 dB of fixed gain, a typical resistor value is approximately 1 kΩ. For 10 dB of fixed gain, the  
resistor value is approximately 2 kΩ–3 kΩ. For resistor values < 1 kΩ, the VCA can attenu-  
ate or mute. Refer to Figure 6.  
3
4
VCAIN  
VCAR  
VCA Input Pin. A typical connection is a 10 µF capacitor from the buffer output pin (Pin 5)  
to this pin.  
Inverting Input to the VCA. This input can be used as a nonground reference for the audio  
input signal (see application notes).  
5
6
BUF OUT  
–IN  
Input Buffer Amplifier Output Pin. Must not be loaded by capacitance to ground.  
Inverting Input to the Buffer. A 10 kΩ feedback resistor R1 from the buffer output Pin 5 to  
this input pin, and a resistor R2, from this pin through a 1 µF to ground gives gains of 6 dB  
to 20 dB for R2 = 10 kΩ to 1.1 kΩ.  
7
8
AUDIO +IN  
AVG CAP  
Input Audio Signal. The input signal should be ac-coupled (0.1 µF typical) into this pin.  
Detector Averaging Capacitor. A capacitor, 2.2 µF–22 µF, to ground from this pin is the  
averaging capacitor for the detector circuit.  
9
NOISE GATE SET  
Noise Gate Threshold Set Point. A resistor to V+ sets the level below which input signals are  
downward-expanded. For a 0.7 mV threshold, the resistor value is approximately 380 kΩ.  
Increasing the resistor value reduces the threshold. See Figure 4.  
10  
11  
COMP RATIO SET  
ROTATION SET  
Compression Ratio Set Pin. A resistor to ground from this pin sets the compression ratio as  
shown in Figure 1. Figure 5 gives resistor values for various rotation points.  
Rotation Point Set Pin. This is set by a resistor to the positive supply. This resistor together  
with the gain adjust pin determines the onset of limiting. A typical value for this resistor is  
17K for a 100 mV “rotation point.” Increasing the resistor value reduces the level at which  
limiting occurs. Refer to Figure 9.  
12  
POWER DOWN  
Power-Down Pin. Connect to ground for normal operation. Connect to positive supply for  
power-down mode.  
13  
14  
OUTPUT  
V+  
Output Signal.  
Positive Supply, +5 V Nominal.  
PIN CONFIGURATION  
14  
13  
12  
11  
GND  
1
V+  
GAIN ADJUST 2  
OUTPUT  
3
4
5
6
POWER DOWN  
ROTATION SET  
VCA  
IN  
SSM2166  
TOP VIEW  
(Not to Scale)  
VCA  
R
10 COMP RATIO SET  
BUF OUT  
–IN  
NOISE GATE SET  
AVG CAP  
9
8
AUDIO +IN  
7
REV. A  
–3–  
1234567...15

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