參數(shù)資料
型號(hào): UTC7106
廠商: 友順科技股份有限公司
元件分類: 串行ADC
英文描述: 3/12 DIGIT,LCD DISPLAY A/D CONVERTERS
中文描述: 3 / 12位數(shù)字,液晶顯示器的A / D轉(zhuǎn)換器
文件頁數(shù): 4/15頁
文件大小: 233K
代理商: UTC7106
UTC 7106
CMOS IC
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R502-018,B
PARAMETER
SYMBOL
TEST CONDITIONS
25k
Ω
Between Common
and Positive Supply (With
Respect to +Supply)
MIN
TYP
MAX
UNIT
Temperature Coefficient of Analog
Common
Φ
T,A
80
ppm/
DISPLAY DRIVER
Peak-To-Peak Segment Drive
Voltage
Peak-To-Peak Backplane Drive
Voltage
Note 3: Unless otherwise noted, specifications apply to the UTC 7106 at T
a
=25
, f
CLOCK
=48kHz, UTC 7106 is
tested in the circuit of Figure 1.
Note 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.
Note 5: Not tested, guaranteed by design.
V
D,PP
V+ ~ V-=9V(Note 4)
4
5.5
6
V
TYPICAL APPLICATIONS AND TEST CIRCUITS
(LCD DISPLAY COMPONENTS SELECTED FOR 200mV FULL SCALE)
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
V
D
C
B
A
F
G
E
D
C
B
A
F
E
D
B
F
E
A
P
O
O
O
T
R
R
C
R
+
C
R
-
C
I
I
A
B
I
V
G
C
A
G
B
UTC 7106
DISPLAY
R3
C4
R1
R4
C1
R5
C5
IN
+ -
C2 R2 C3
DISPLAY
C1=0.1
μ
F
C2=0.47
μ
F
C3=0.22
μ
F
C4=100pF
C5=0.02
μ
F
R1=24k
Ω
R2=47k
Ω
R3=91k
Ω
R4=1k
Ω
R5=1M
Ω
+ -
DESIGN INFORMATION SUMMARY SHEET
*OSCILLATOR FREQUENCY
fosc=0.45/RC
C
OSC
>50pF, R
OSC
>50k
Ω
f
OSC
(Typ)=48kHz
*OSCILLATOR PERIOD
t
OSC
=RC/0.45
*INTEGRATION CLOCK FREQUENCY
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