BA3835F

更新时间： 2024-02-20 11:39:06

品牌	Logo	应用领域
罗姆 - ROHM		有源滤波器过滤器光电二极管 LTE
页数	文件大小	规格书
10页	132K
描述
Band-pass filter for spectrum analyzer

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技术参数
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BA3835F 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	DIP
包装说明：	SDIP-18	针数：	18
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.66
有源滤波器类型：	CONTINUOUS TIME FILTER	中心频率或截止频率最大范围：	10.5 kHz
中心频率或截止频率最小范围：	0.105 kHz	JESD-30 代码：	R-PDIP-T18
JESD-609代码：	e3/e2	长度：	19.4 mm
功能数量：	1	端子数量：	18
最高工作温度：	75 °C	最低工作温度：	-25 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SDIP
封装等效代码：	SDIP18,.3	封装形状：	RECTANGULAR
封装形式：	IN-LINE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	5 V	认证状态：	Not Qualified
响应：	BANDPASS	座面最大高度：	4.76 mm
子类别：	Active Filters	最大供电电流 (Isup)：	13 mA
最大供电电压 (Vsup)：	6.5 V	最小供电电压 (Vsup)：	4.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	NO
技术：	BIPOLAR	温度等级：	COMMERCIAL EXTENDED
端子面层：	TIN/TIN COPPER	端子形式：	THROUGH-HOLE
端子节距：	1.778 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	10	传递特性：	RESISTOR PROGRAMMABLE
宽度：	7.62 mm	Base Number Matches：	1

BA3835F 数据手册

Audio ICs

BA3835S / BA3835F

FOperation notes

(1) Frequency characteristics

And from this, the following condition is obtained :

The frequency characteristics of this IC are determined

by the resistor connected between the R^REFterminal and

GND. For the specification conditions, the value of this

resistor is 100kΩ. If it is necessary to set the frequency

characteristics accurately, use a variable resistor (note :

all bands will shift together).

R < 30kΩ

In this case, the “L” level voltage V²for the IC will

be :

V²< 0.75V

(2) Load characteristics

(4) Recommended operating ranges

ToconvertthebiassenseoutputsignaltotheGNDsense

signal, the IC performs a V / I conversion, and then an

I / V conversion using a 10kΩ resistor (typ.) for the out-

put.

Providedthat the IC is operated within the recommended

operating conditions and the recommended temperature

range, the basic circuit functions are guaranteed. Within

these ranges, ratings for electrical characteristics for

conditions other than those stipulated cannot be guaran-

teed, but the inherent function of the bandpass filter will

be maintained.

Therefore, if the load circuit connected to the A OUT pin

has a MOS structure there is no problem (eg. micropro-

cessor input port), but if the connected circuit has a low

input impedance, it may cause the output level to drop.

(5) Application circuit

Provided the recommended circuit constants are used,

theapplicationcircuitshouldfunctioncorrectly. However,

werecommendthatyouconfirmthecharacteristicsofthe

circuitsinactualuseandpaydueattentiontothecaution-

ary notes given below.

(3) External resistor for the control pin

When using a common port for the output select control

andFLdrive, youmustaddadiodeandresistorasshown

in Fig. 4 to prevent the FL drive “L” voltage from destroy-

ing the IC.

If you change the circuit constants, check both the static

andtransientcharacteristicsofthecircuit, andallowsuffi-

cient margin to accommodate variations between both

ICs and external components. Note, also, that Rohm has

not been able to conduct a sufficient study into patent

rights.

In this case, the “L” voltage applied to the internal

comparator input terminal V¹is given by :

R1)R

V¹=

Vref

R¹)R2)R

To maintain a noise margin of at least 2.5V with re-

spect to the comparator threshold level V^ref, the rep-

resentativevaluesforV^ref, R1 andR2 are1.5V, 20kΩ,

and 10kΩ respectively. This gives :

20kΩ)R

1.5V)0.25V<1.5V

20kΩ)10kΩ)R

608

1...5 6 789 10

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与BA3835F相关器件

型号	品牌	描述	获取价格	数据表
BA3835F_11	ROHM	Silicon Monolithic Integrated Circuit	获取价格
BA3835FE2	ROHM	SWITCHED CAPACITOR FILTER, BANDPASS, PDSO14, SOP-14	获取价格
BA3835F-E2	ROHM	Continuous Time Filter, 1 Func, Resistor Programmable, Bandpass, BIPOLAR, PDSO18, LEAD FRE	获取价格
BA3835FT1	ROHM	Switched Capacitor Filter, 1 Func, Bandpass, PDSO14, SOP-14	获取价格
BA3835FT2	ROHM	Switched Capacitor Filter, 1 Func, Bandpass, PDSO14, SOP-14	获取价格
BA3835S	ROHM	Band-pass filter for spectrum analyzer	获取价格

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