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參數(shù)資料
| 型號(hào)： | X40239 |
| 英文描述： | Integrated System Management IC Triple Voltage Monitors, POR, 2 kbit EEPROM Memory, and Single/Dual DCP(帶2K EEPROM和單/雙數(shù)字電位器的三路電壓監(jiān)控器) |
| 中文描述： | 綜合系統(tǒng)管理IC三電壓監(jiān)測(cè)器，葡萄牙，2千比特的EEPROM內(nèi)存，單/雙副處長(zhǎng)（帶2K的EEPROM和單/雙數(shù)字電位器的三路電壓監(jiān)控器） |
| 文件頁(yè)數(shù)： | 33/39頁(yè) |
| 文件大?。?/td> | 215K |
| 代理商： | X40239 |
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X4023x
– Preliminary Information
Characteristics subject to change without notice.
33 of 39
REV 1.0.4 7/12/01
www.xicor.com
POTENTIOMETER CHARACTERISTICS
Notes: 1.
Notes: 2.
Power Rating between the wiper terminal RWX(n) and the end terminals RHX V
SS
- for ANY tap position n, (x=0,1,2).
Absolute Linearity is utilized to determine actual wiper resistance versus, expected resistance = (Rwx(n)(actual) –
Rwx(n)(expected)) = ±1 Ml Maximum (x=0,1,2).
Relative Linearity is a measure of the error in step size between taps = RWx(n+1) – [Rwx(n) + Ml] = ±0.2 Ml (x=0,1,2)
1 Ml = Minimum Increment = RTOT / (Number of taps in DCP - 1).
Typical values are for T
A
= 25°C and nominal supply voltage.
This parameter is periodically sampled and not 100% tested.
Notes: 3.
Notes: 4.
Notes: 5.
Notes: 6.
Symbol
Parameter
Limits
Test Conditions/Notes
Min.
Typ.
Max.
Units
R
TOL
End to End Resistance Tolerance
–20
+20
%
In a ratiometric circuit, R
TOTAL
divides out of the equation and
accuracy is determined by
XDCP resolution.
V
RHx
R
H
Terminal Voltage (x=0,1,2)
VSS
V
CC
V
V
RLx
R
L
Terminal Voltage (x=0,1,2)
VSS
VSS
V
R
L
Terminal internally tied to
gnd.
R
TOTAL
= 10 K
(
DCP0, DCP1)
R
TOTAL
= 100 K
(
DCP2)
V
CC
= 5 V, V
RHx
= V
CC
,
V
RLx
= VSS (x=0,1,2),
I
W
= 50 uA /500 uA (100/10 k
)
.
V
CC
= 3.3 V, V
RHx
= V
CC
,
V
RLx
= VSS (x=0,1,2),
I
W
= 33μA/330μA (100/10 k
)
.
V
CC
= 2.7 V, V
RHx
= V
CC
, V
RLx
= VSS (x=0,1,2),
I
W
= 27 uA /270 uA (100/10 k
)
.
P
R
Power Rating
(1)
10
mW
5
mW
R
W
DCP Wiper Resistance
200
400
300
700
400
1000
I
W
Wiper Current
4.4
mA
Noise
mV /
√
(Hz)
mV /
√
(Hz)
R
TOTAL
= 10 k
(
DCP0, DCP1)
R
TOTAL
= 100 k
(
DCP2)
Absolute Linearity
(2)
-1
+1
MI
(4)
R
w(n)(actual)
– R
w(n)(expected)
R
w(n+1)
– [R
w(n)+MI
]
R
TOTAL
= 10 k
(
DCP0, DCP1)
R
TOTAL
= 100 k
(
DCP2)
(Voltage divider configuration)
Relative Linearity
(3)
-0.2
+0.2
MI
(4)
R
TOTAL
Temperature Coefficient
±300
ppm/°C
±300
ppm/°C
Ratiometric Temperature Coefficient
±30
ppm/°C
C
H
/C
L
/
C
W
t
wr
Potentiometer Capacitances
10/10/
25
pF
See Figure 26.
Wiper Response time
200
μ
s
See Figure 34.
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