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参数资料
| 型号： | TC7107RCPLIJL |
| 元件分类： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, PDIP40 |
| 封装： | CERDIP-40 |
| 文件页数： | 1/21页 |
| 文件大小： | 269K |
| 代理商： | TC7107RCPLIJL |
1
TC7106
TC7106A
TC7107
TC7107A
3-1/2 DIGIT A/D CONVERTERS
TC7106
TC7106A
TC7107
TC7107A
Figure 1. TC7106/A/7/A Typical Operating Circuit
AVAILABLE PACKAGES
40-Pin Plastic DIP
40-Pin CERDIP
44-Pin Plastic Quad Flat
Package Formed Leads
44-Pin Plastic Chip
Carrier PLCC
VREF
+
TC7106/A
TC7107/A
9V
VREF
33
34
24k
1k
29
36
39
38
40
0.47
F
0.1
F
V
–
1
OSC
3
OSC
2
OSC
TO ANALOG
COMMON (PIN 32)
3 CONVERSIONS/SEC
200mV FULL SCALE
COSC
100k
47k
0.22
F
CREF
–
CREF
+
VIN
+
VIN
–
ANALOG
COMMON
VINT
V
BUFF
CAZ
20
21
SEGMENT
DRIVE
2–19
22–25
POL
BP
V
+
MINUS SIGN
BACKPLANE
DRIVE
28
ROSC 100pF
LCD DISPLAY (TC7106/A) OR
COMMON ANODE LED
DISPLAY (TC7107/A)
27
100mV
1
26
35
VREF
–
+
31
0.01
F
ANALOG
INPUT
+
–
1M
30
32
ORDERING INFORMATION
PART CODE
TC710X X X XXX
6 = LCD
7 = LED
A or blank*
R (reversed pins) or blank (CPL pkg only)
* "A" parts have an improved reference TC
Package Code (see below):
}
Package
Temperature
Code
Package
Pin Layout
Range
CKW
44-Pin PQFP
Formed Leads
0
°C to +70°C
CLW
44-Pin PLCC
—
0
°C to +70°C
CPL
40-Pin PDIP
Normal
0
°C to +70°C
IPL
40-Pin PDIP
Normal
– 25
°C to +85°C
IJL
40-Pin CerDIP
Normal
– 25
°C to +85°C
GENERAL DESCRIPTION
The TC7106A and TC7107A 3-1/2 digit direct-display
drive analog-to-digital converters allow existing 7106/7107
based systems to be upgraded. Each device has a preci-
sion reference with a 20ppm/
°C max temperature coeffi-
cient. This represents a 4 to 7 times improvement over
similar 3-1/2 digit converters. Existing 7106 and 7107 based
systems may be upgraded without changing external pas-
sive component values. The TC7107A drives common
anode light emitting diode (LED) displays directly with 8mA
per segment. A low-cost, high-resolution indicating meter
requires only a display, four resistors, and four capacitors.
The TC7106A low power drain and 9V battery operation
make it suitable for portable applications.
The TC7106A/TC7107A reduces linearity error to less
than 1 count. Rollover error – the difference in readings for
equal magnitude but opposite polarity input signals – is
below
±1 count. High impedance differential inputs offer
1pA leakage current and a 1012
input impedance. The
differential reference input allows ratiometric measurements
for ohms or bridge transducer measurements. The
15
VP–P noise performance guarantees a “rock solid” read-
ing. The auto-zero cycle guarantees a zero display read-
ing with a zero-volts input.
FEATURES
s Internal Reference with Low Temperature Drift
TC7106/7 ....................................... 80ppm/
°C Typical
TC7106A/7A .................................. 20ppm/
°C Typical
s Drives LCD (TC7106) or LED (TC7107) Display
Directly
s Guaranteed Zero Reading With Zero Input
s Low Noise for Stable Display
s Auto-Zero Cycle Eliminates Need for Zero
Adjustment
s True Polarity Indication for Precision Null
Applications
s Convenient 9 V Battery Operation (TC7106A)
s High Impedance CMOS Differential Inputs .... 1012
s Differential Reference Inputs Simplify Ratiometric
Measurements
s Low Power Operation ..................................... 10mW
3-1/2 DIGIT A/D CONVERTERS
TC7106/6A/7/7A-7
11/4/96
TelCom Semiconductor reserves the right to make changes in the circuitry and specifications to its devices.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7109 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:12-Bit レA-Compatible Analog-to-Digital Converters |
| TC7109_13 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:12-Bit ??-A-Compatible Analog-to-Digital Converters |
| TC7109A | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:12-BIT UP-COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS |
| TC7109ACKW | 功能描述:模数转换器 - ADC 13 Bit Fast Recovery RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| TC7109ACKW713 | 功能描述:模数转换器 - ADC 13 Bit Fast Recovery RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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