欢迎访问ic37.com |
会员登录 免费注册
发布采购

TC7107ACPL 参数 Datasheet PDF下载

TC7107ACPL图片预览
型号: TC7107ACPL
PDF下载: 下载PDF文件 查看货源
内容描述: 3-1 / 2位A / D转换器 [3-1/2 DIGIT A/D CONVERTERS]
分类和应用: 转换器光电二极管
文件页数/大小: 19 页 / 296 K
品牌: TELCOM [ TELCOM SEMICONDUCTOR, INC ]
 浏览型号TC7107ACPL的Datasheet PDF文件第2页浏览型号TC7107ACPL的Datasheet PDF文件第3页浏览型号TC7107ACPL的Datasheet PDF文件第4页浏览型号TC7107ACPL的Datasheet PDF文件第5页浏览型号TC7107ACPL的Datasheet PDF文件第6页浏览型号TC7107ACPL的Datasheet PDF文件第7页浏览型号TC7107ACPL的Datasheet PDF文件第8页浏览型号TC7107ACPL的Datasheet PDF文件第9页  
TC7106
TC7106A
TC7107
TC7107A
3-1/2 DIGIT A/D CONVERTERS
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 .... 10
12
s
Differential Reference Inputs Simplify Ratiometric
Measurements
s
Low Power Operation ..................................... 10mW
1
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 10
12
input impedance. The
differential reference input allows ratiometric measurements
for ohms or bridge transducer measurements. The
15µV
P–P
noise performance guarantees a “rock solid” read-
ing. The auto-zero cycle guarantees a zero display read-
ing with a zero-volts input.
2
3
4
5
6
7
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):
0.1µF
34
33
C–
LCD DISPLAY (TC7106/A) OR
COMMON ANODE LED
DISPLAY (TC7107/A)
2–19
22–25
POL
BP
V+
SEGMENT
DRIVE
20
21
1
24kΩ
28 V
BUFF
47kΩ
0.47µF
29
C
AZ
V
INT
39
MINUS SIGN
BACKPLANE
DRIVE
Package
Code
Package
CKW
CLW
CPL
IPL
IJL
44-Pin PQFP
44-Pin PLCC
40-Pin PDIP
40-Pin PDIP
40-Pin CerDIP
Pin Layout
Formed Leads
Normal
Normal
Normal
Temperature
Range
0°C to +70°C
0°C to +70°C
0°C to +70°C
– 25°C to +85°C
– 25°C to +85°C
1MΩ
+
ANALOG
INPUT
0.01µF
31
+
C
REF
+
V
IN
REF
30
32
V
IN
ANALOG
COMMON
TC7106/A
TC7107/A
+
V
REF
1kΩ
9V
36
V+
REF
AVAILABLE PACKAGES
0.22µF
35 100mV
V–
REF
26
27
V
OSC
2
OSC
3
OSC
1
38 C
OSC
40
R
OSC
100pF
100kΩ
TO ANALOG
COMMON (PIN 32)
3 CONVERSIONS/SEC
200mV FULL SCALE
40-Pin Plastic DIP
40-Pin CERDIP
Figure 1. TC7106/A/7/A Typical Operating Circuit
44-Pin Plastic Quad Flat
Package Formed Leads
44-Pin Plastic Chip
Carrier PLCC
TC7106/6A/7/7A-7
11/4/96
8
3-183
TELCOM SEMICONDUCTOR, INC.