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參數(shù)資料
| 型號： | BU9831 |
| 廠商： | Rohm CO.,LTD. |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Non-volatile electronic potentiometer |
| 中文描述： | 非易失性電子電位器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 149K |
| 代理商： | BU9831 |
4
Memory ICs
BU9831 / BU9831F
(unless otherwise noted, Ta = – 20 to + 85°C, V
CC
= 3V ± 10%)
Input low level voltage
V
IL
Parameter
Symbol
Min.
Typ.
Max.
Unit
—
—
0.2
×
V
CC
V
0.8
×
V
CC
—
—
V
0
—
0.4
V
V
CC
–
0.4
—
V
CC
V
– 1
—
1
μ
A
μ
A
– 1
—
1
—
—
2
mA
—
—
100
μ
A
—
—
500
kHz
—
100
—
k
k
—
1
2
0
—
V
CC
V
0
—
V
CC
V
Measurement
Circuit
CS, SK, DIO pin
Input high level voltage
V
IH
CS, SK, DIO pin
Output low level voltage
V
OL
I
OL
= 100
μ
A
I
OH
= – 100
μ
A
Output high level voltage
V
OH
Input leakage current
I
LI
V
IN
= 0 ~ V
CC
Output leakage current
I
LO
V
OUT
= 0 ~ V
CC
, CS = V
CC
Operating current consumption
I
CC
f = 1MHz, tE / W = 10ms (WRITE)
Fig.5
Fig.4
Fig.3
Fig.6
Fig.1
—
—
Standby current
I
SB
CS, SK, DIO, VH, VL, VW = V
CC
Fig.6
SK frequency
f
SK
Fig.7
Total resistance
R
T
I
f
= 10
μ
A
I
W
= – 500
μ
A
Wiper resistance
R
W
Fig.8
Resistance potential on High side
V
VH
—
Resistance potential on Low side
V
VL
—
Conditions
Measurement circuits
V
CC
V
OL
I
OL
V
CC
DIO
GND
Data set when output is LOW
V
Fig. 1 LOW output voltage measurement circuit
V
CC
V
OH
I
OH
V
CC
DIO
GND
Data set when output is HIGH
V
Fig. 2 HIGH output voltage measurement circuit
V
CC
I
LI
A
V
CC
DIO, SK, CS
GND
V
IN
= 0 ~ V
CC
Fig. 3 Input leakage current measurement circuit
V
CC
V
CC
I
LO
A
V
O
= 0 ~ V
CC
V
CC
CS
DIO
GND
Fig. 4 Output leakage current measurement circuit
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