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SC7107 PDF даташит

Спецификация SC7107 изготовлена ​​​​«Silan Microelectronics» и имеет функцию, называемую «(SC7106 / SC7107) A/D CONVERTERS».

Детали детали

Номер произв SC7107
Описание (SC7106 / SC7107) A/D CONVERTERS
Производители Silan Microelectronics
логотип Silan Microelectronics логотип 

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SC7107 Даташит, Описание, Даташиты
SC7106/7107
www.DataSheet4U.com
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
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SC7107 Даташит, Описание, Даташиты
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









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SC7107 Даташит, Описание, Даташиты
SC7106/7107
www.DataSheet4U.com
ELECTRICAL CHARACTERISTICS(Unless otherwise noted, specificatons apply to both the SC7106 and
SC7107 at Tamb=25°C, Fclock=48kHz, SC7106 is tested in the circuit of Figure 1. SC7107 is tested in the circuit
of Figure 2.)
Characteristics
Test Conditions
Min. Typ. Max. Unit
SYSTEM PERFORMANCE
Zero Input Reading
VIN=0.0V, Full Scale=200mV
±000. +000. Digital
-000.0
0 0 Reading
Ratiometric Reading
VIN=VREF, VREF=100mV
999/ Digital
999 1000
1000
Reading
Rollover Error
-VIN=+VIN 200mV
Difference In Reading For Equal Positive
-- ±0.2 ±1 Counts
And Negative Inputs Near Full Scale
Full Scale =200mV Or Full Scale =2V
Linearity
Maximum Deviation From Best Straight
-- ±0.2 ±1 Counts
Line Fit (Note 3)
Common Mode Rejection Ratio
VCM=1V,VIN=0V,Full Scale=200mV (Note -- 50 -- µV/V
3)
Noise
VIN=0V,Full Scale=200mV,(Peak-To-Peak
-- 15 --
Value Not Exceeded 95% of Time)
µV
Leakage Current Input
VIN=0(Note 3)
-- 1 10 pA
Zero Reading Drift
Scale Factor Temperature Coefficient
VIN=0, 0°C To 70°C(Note 3)
VIN=199mV, 0°C TO 70°C
(Ext.Ref.0ppm/°C) (Note 3)
-- 0.2 1 µV/°C
-- 1 5 ppm/°C
End Power Supply Character V+
Supply Current
VIN=0(Does Not Include LED Current For
-- 1.0 1.8 mA
SC7107)
End Power Supply Character V-
Supply Current
SC7107 Only
-- 0.6 1.8 mA
COMMON Pin Analog Common
Voltage
25kBetween Common And Positive
Supply (With Respect To V+ Supply)
2.4 3.0 3.2 V
Temperature Coefficient Of Analog
Common
DISPLAY DRIVER (SC7106 ONLY)
25kBetween Common And Positive
Supply (With Respect To V+ Supply)
-- 80 -- ppm/°C
Peak-To-Peak Segment Drive Voltage
Peak-To-Peak Backplane Drive
V+ To V-=9V(Note 4)
4 5.5 6
V
Voltage
DISPLAY DRIVER (SC7107 ONLY)
Segment Sinking Current
(Except Pins 19 And 20)
Pin 19 Only
V+=5V, Segment Voltage=3V
58
10 16
--
--
mA
mA
Pin 20 Only
4 7 -- mA
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.2 2006.02.27
Page 3 of 22










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Номер в каталогеОписаниеПроизводители
SC7106(SC7106 / SC7107) A/D CONVERTERSSilan Microelectronics
Silan Microelectronics
SC7107(SC7106 / SC7107) A/D CONVERTERSSilan Microelectronics
Silan Microelectronics

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