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Unisonic Technologies
Unisonic Technologies

7106 Datasheet

A/D CONVERTERS


7106 Datasheet Preview


UNISONIC TECHNOLOGIES CO., LTD
7106
3½ DIGIT, LCD DISPLAY, A/D
CONVERTERS
„ DESCRIPTION
The UTC 7106 is a high performance, low power,3½ digits A/D
converter. Included are seven segment decoders, display drivers, a
reference, and a clock.
The UTC 7106 is designed to interface with a liquid crystal
display (LCD) and includes a multiplexed backplane drive.
The UTC 7106 bring together a combination of high accuracy,
versatility, and true economy. It features auto zero to less than
10μV, zero drift of less than 1μV/°C, input bias current of 10pA
(Max), and rollover error of less than one count. True differential
inputs and reference are useful in all system, but give the designer
an uncommon advantage when measuring load cells, strain
gauges and other bridge type transducers. Finally, the true
economy of single power supply operation, enables a high
performance panel meter to be built with the addition of only 10
passive components and a display.
„ FEATURES
*Guaranteed Zero Reading for 0V Input On All Scales
*True Polarity At Zero for Precise Null Detection
*1pA Typical Input Current
*True Differential Input And Reference, Direct Drive
LCD Display
*Low Noise-Less than 15μVp-p
*On chip Clock and Reference
*Low Power Dissipation-Typically Less than 10mW
*No Additional Active Circuits Required
*Enhanced Display Stability
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
7106L-D40-T
7106G-D40-T
7106L-R40-R
7106G-R40-R
7106L-R40-T
7106G-R40-T
7106L-QM1-Y
7106G-QM1-Y
Package
DIP-40
SSOP-40
SSOP-40
QFP-44
CMOS IC
Packing
Tube
Tape Reel
Tube
Tray
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
1 of 18
QW-R502-018.E
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7106
„ PIN CONFIGURATION
DIP- 40/SSOP-40
V+ 1
D1 2
C1 3
(1,s)
B1 4
A1 5
F1 6
G1 7
E1 8
D2 9
C2 10
(10 ,s)
B2 11
A2 12
F2 13
E2 14
D3 15
(100 ,s)
B3 16
F3 17
E3 18
(1000) AB4 19
(MINUS) POL 20
40 OSC 1
39 OSC 2
38 OSC 3
37 TEST
36 REF HI
35 REF LO
34 CREF +
33 CREF -
32 COMMON
31 IN HI
30 IN LO
29 A-Z
28 BUFF
27 INT
26
25
V-
G2(10
,s)
24 C3
23 A3
(100 ,s)
22 G3
21 BP
MQFP - 44
NC
NC
TEST
OSC 3
NC
OSC 2
OSC 1
V+
D1
C1
B1
44 43 42 41 40 39 38 37 36 35 34
1 33
2 32
3 31
4 30
5 29
6 28
7 27
8 26
9 25
10 24
11
12
13
14
15
16
17 18
19
20
21
23
22
NC
G2
C3
A3
G3
BP/GND
POL
AB4
E3
F3
B3
A1 F1 G1 E1 D2 C2 B2 A2 F2 E2 D3
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 18
QW-R502-018.E
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7106
CMOS IC
„ ABSOLUTE MAXIMUM RATINGS(TA=25°C)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage (V+ ~ V-)
Analog Input Voltage (Either Input) (Note 1)
VDD
VI,ANG
15
V+ ~ V-
V
V
Reference Input Voltage (Either Input)
Junction Temperature
VI,REF
TJ
V+ ~ V-
150
V
°C
Operating Temperature
TOPR
0 ~ +70
Storage Temperature
TSTG
-65 ~ +150
Note: 1. Input voltages may exceed the supply voltages provided the input current is limited to ±100μA.
°C
°C
2. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„ THERMAL DATA
PARAMETER
Junction to Ambient
DIP-40
SSOP-40
QFP-44
SYMBOL
θJA
RATINGS
50
70
75
UNIT
°C/W
„ ELECTRICAL CHARACTERISTICS (TA=25, fCLOCK=48kHz, measured by the circuit of Fig.1)
PARAMETER
SYSTEM PERFORMANCE
Zero Input Reading
SYMBOL TEST CONDITIONS
RZ VIN=0.0V, Full Scale=200mV
Ratio metric Reading
RR VIN=VREF, VREF=100mV
Rollover Error
Linearity
Common Mode Rejection Ratio
Noise
Leakage Current Input
Zero Reading Drift
Scale Factor Temperature
Coefficient
End Power Supply Character V+
Supply Current
COMMON Pin Analog Common
Voltage
Temperature Coefficient of Analog
Common
ER
L
CMRR
VN
IL
DZR
ΦT,S
IEP
VCOM
ΦT,A
-VIN=+VIN200mV
Difference in Reading for
Equal Positive and Negative
Inputs Near Full Scale
Full Scale=200mV or Full
Scale=2V Maximum Devi-
ation from Best Straight Line
Fit (Note 2)
VCM=1V,VIN=0V,
Full Scale=200mV(Note 2)
VIN=0V,Full Scale=200mV
(Peak-To-Peak Value Not
Exceeded 95% of Time)
VIN=0(Note 2)
VIN=0, 0~ 70(Note 2)
VIN=199mV, 0~ 70,
(Ext.Ref.0ppm/) (Note 2)
VIN=0
25kBetween Common and
Positive Supply (With
Respect to +Supply)
25kBetween Common and
Positive Supply (With
Respect to +Supply)
MIN
-000.0
999
2.7
TYP MAX UNIT
±000.0 +000.0
999/1000 1000
Digital
Reading
Digital
Reading
±0.2 ±1 Counts
±0.2 ±1 Counts
50 μV/V
15 μV
1 10 pA
0.2 1 μV/°C
1 5 ppm/°C
1.0 1.8 mA
3.05 3.3
V
80 ppm/°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 18
QW-R502-018.E
Page 3
Part Number 7106
Manufactur Unisonic Technologies
Description A/D CONVERTERS
Total Page 18 Pages
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