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Silan Microelectronics

SC7107 Datasheet Preview

SC7107 Datasheet

(SC7106 / SC7107) A/D CONVERTERS

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SC7106/7107
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31/2 DIGITS, LCD/LED DISPLAY , A/D CONVERTERS FOR DMM
DESCRIPTION
The SC7106 and SC7107 are high performance, low power, 31/2 digit
A/D converters. Included are seven segment decoders, display drivers, a
reference, and a clock. The SC7106 is designed to interface with a liquid
crystal display (LCD) and includes a multiplexed backplane drive; the
DIP-40-600-2.54
SC7107 will directly drive an instrument size light emitting diode (LED)
display.
The SC7106 and SC7107 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),
QFP-44-10 x10-0.8
and rollover error of less than one count. True differential inputs and
reference are useful in all systems, but give the designer an uncommon FEATURES
advantage when measuring load cells, strain gauges and other bridge
type transducers. Finally, the true economy of single power supply * Guaranteed zero reading for 0V
operation (SC7106), enables a high performance panel meter to be built input on all scales
with the addition of only 10 passive components and a display.
* True polarity at zero for precise
ORDERING INFORMATION
null detection
* Low power dissipation-typically
Part No.
SC7106CPL
SC7106RCPL
SC7106
SC7107CPL
SC7107RCPL
SC7107
Temp. Range(°C)
0~70
0~70
0~70
0~70
0~70
0~70
Package
DIP-40-600-2.54
DIP-40-600-2.54
QFP-44-10X10-0.8
DIP-40-600-2.54
DIP-40-600-2.54
QFP-44-10X10-0.8
less than 10mW
* True differential input and
reference, direct display drive-
LCD SC7106, LED SC7107
* Low noise (less than 15µVp-p)
* On chip clock and reference
* 1pA typical input current
* No additional active circuits
NOTE: “R”indicates device with reversed leads for mounting to PC board required
underside.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.2 2006.02.27
Page 1 of 22




Silan Microelectronics

SC7107 Datasheet Preview

SC7107 Datasheet

(SC7106 / SC7107) A/D CONVERTERS

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BLOCK DIAGRAM
SC7106/7107
www.DataSheet4U.com
ABSOLUTE MAXIMUM RATING
Characteristics
SC7106
Supply Voltage SC7107
SC7107
Analog Input Voltage(Either Input) (Note 1)
Reference Input Voltage(Either Input)
Clock Input
SC7106
SC7107
Operating Temperature
Storage Temperature
Thermal resistance(typical) (Note 2)
Maximum Junction Temperature
Symbol
V+ ~ V-
V+ ~ GND
V- ~ GND
Topr
Tstg
θJA
Value
15
6
-9
V+ ~ V-
V+ ~ V-
TEST to V+
GND to V+
0 ~ +70
-65 ~ 150
50
150
Unit
V
°C
°C
°C/W
°C
NOTE: 1. Input voltages may exceed the supply voltages provided the input current is limited to ±100µA.
2. θJA is measured with the component mounted on an evaluation PC board in free air.
3. Not tested, guaranteed by design.
4. Back plane drive is in phase with segment drive for "off" segment, 180 degrees out of phase for "on"
segment. Frequency is 20 times conversion rate. Average DC component is less than 50mV.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.2 2006.02.27
Page 2 of 22


Part Number SC7107
Description (SC7106 / SC7107) A/D CONVERTERS
Maker Silan Microelectronics
Total Page 21 Pages
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