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TC514

更新时间： 2024-02-27 08:32:33
品牌 Logo 应用领域
TELCOM /
页数 文件大小 规格书
17页 200K
描述
PRECISION ANALOG FRONT ENDS

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中文翻译

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TC514 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：DIP
包装说明：DIP, DIP28,.3针数：28
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.59Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDIP-T28
JESD-609代码：e3长度：34.67 mm
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-25 °C
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP28,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：5 V认证状态：Not Qualified
座面最大高度：4.06 mm子类别：Other Analog ICs
最大供电电流 (Isup)：3.5 mA最大供电电压 (Vsup)：5.5 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温度等级：OTHER
端子面层：Matte Tin (Sn)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

TC514 数据手册

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TC500  
TC500A  
TC510  
3
EVALUATION  
KIT  
AVAILABLE  
TC514  
PRECISION ANALOG FRONT ENDS  
FEATURES  
GENERAL DESCRIPTION  
■ Precision (up to 17 Bits) A/D Converter "Front End"  
■ 3-Pin Control Interface to Microprocessor  
■ Flexible: User Can Trade-Off Conversion Speed  
for Resolution  
■ Single Supply Operation (TC510/514)  
■ 4 Input, Differential Analog MUX (TC514)  
■ Automatic Input Voltage Polarity Detection  
■ Low Power Dissipation ........... TC500/500A: 10mW  
TC510/514: 18mW  
The TC500/500A/510/514 family are precision analog  
front ends that implement dual slope A/D converters having  
a maximum resolution of 17 bits plus sign. As a minimum,  
eachdevicecontainstheintegrator, zerocrossingcompara-  
tor and processor interface logic. The TC500 is the base  
(16 bit max) device and requires both positive and negative  
power supplies. The TC500A is identical to the TC500,  
except it has improved linearity allowing it to operate to a  
maximum resolution of 17 bits. The TC510 adds an on-  
board negative power supply converter for single supply  
operation. The TC514 adds both a negative power supply  
converter and a 4 input differential analog multiplexer.  
Each device has the same processor control interface  
consisting of 3 wires: control inputs A and B and zero-  
crossing comparator output (CMPTR). The processor ma-  
nipulates A, B to sequence the TC5xx through four phases  
of conversion: Auto Zero, Integrate, Deintegrate and Inte-  
grator Zero. During the Auto Zero phase, offset voltages in  
the TC5xx are corrected by a closed-loop feedback mecha-  
nism. Theinputvoltageisappliedtotheintegratorduringthe  
Integrate phase. This causes an integrator output dv/dt  
directly proportional to the magnitude of the input voltage.  
The higher the input voltage, the greater the magnitude of  
thevoltagestoredontheintegratorduringthis phase. Atthe  
startoftheDeintegratephase,anexternalvoltagereference  
isappliedtotheintegrator,andatthesametime,theexternal  
hostprocessorstartsitson-boardtimer. Theprocessormain-  
■ Wide Analog Input Range .......±4.2V (TC500A/510)  
■ Directly Accepts Bipolar and Differential Input  
Signals  
ORDERING INFORMATION  
Part No.  
Package  
Temp. Range  
TC500ACOE  
16-Pin SOIC  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
T
C500ACPE  
16-Pin Plastic DIP (Narrow)  
16-Pin SOIC  
TC500COE  
TC500CPE  
TC510COG  
TC510CPF  
TC514COI  
TC514CPJ  
TC500EV  
16-Pin Plastic DIP (Narrow)  
24-Pin SOIC  
24-Pin Plastic DIP (300 Mil.)  
28-Pin SOIC  
28-Pin Plastic DIP (300 Mil.)  
Evaluation Kit for TC500/500A/510/514  
FUNCTIONAL BLOCK DIAGRAM  
CONTROL LOGIC  
C
R
INT  
INT  
A
0
0
1
1
B
0
1
0
1
CONVERTER STATE  
ZERO INTEGRATOR OUTPUT  
AUTO-ZERO  
C
REF  
C
+
REF  
–
AZ  
BUF  
SIGNAL INTEGRATE  
DEINTEGRATE  
V
V
A1  
A0  
REF  
–
+
C
C
C
REF  
C
INT  
AZ  
REF  
BUFFER  
–
SW SW  
R
R
+
+
+
+
–
–
–
–
INTEGRATOR  
CH1  
CH2  
CH3  
CH4  
CH1  
CH2  
CH3  
CH4  
TC500  
TC500A  
TC510  
TC514  
SW  
CMPTR 1  
+
I
–
+
DIF.  
MUX  
(TC514)  
CMPTR 2  
–
+
–
+
SW  
SW  
RI  
RI  
LEVEL  
SHIFT  
CMPTR  
OUTPUT  
–
+
SW  
SW  
Z
IZ  
SW  
Z
+
–
SW  
SW  
POLARITY  
DETECTION  
RI  
RI  
ACOM  
SW  
1
SW  
ANALOG  
I
PHASE  
DECODING  
LOGIC  
SWITCH  
CONTROL  
SIGNALS  
DGND  
V
S
DC-TO-DC  
CONVERTER  
(TC510 & TC514)  
OSC  
–
V
+
–
CAP  
OUT  
CAP  
V
A
B
1.0µF  
SS  
–
(TC500  
TC500A)  
CONTROL LOGIC  
C
1.0µF  
OUT  
TC500/A/510/514-3 10/3/96  
TELCOM SEMICONDUCTOR, INC.  
3-19  
1234567...17

中文翻译

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