Maximum Junction Temperature (Plastic Package) . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 235°C
(SOIC, Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Electrical Specifications
PARAMETERS
RHEOSTAT MODE
Nominal Resistance
Different Non Linearity (Note 2)
Integral Non Linearity (Note 2)
Tempo (Note 1)
Wiper Resistance (Note 2)
Packaged parts.
SYMBOL
CONDITIONS
(NOTE 5)
MIN
TYP
MAX
UNITS
R
R-DNL
R-INL
∆R
AB
/∆T
R
W
T = 25°C, Wiper open
(Note 6)
(Note 6)
-20
-1
-1
±0.3
±0.5
200
+20
+1
+1
%
LSB
LSB
ppm/°C
Ω
Ω
V
DD
= 5V, I = V
DD
/R
Total
(Note 7)
V
DD
= 2.7V, I = V
DD
/R
Total
(Note 7)
50
80
-1
1
Wiper Current
DIVIDER MODE
Resolution
Different Non Linearity (Note 2)
Integral Non Linearity (Note 2)
Temperature Coefficient (Note 1)
Full Scale Error
Zero Scale Error
RESISTOR TERMINAL
Voltage Range
Terminal Capacitance (Note 1)
Wiper Capacitance (Note 1)
DYNAMIC CHARACTERISTICS
(Note 1)
Bandwidth –3dB
I
W
mA
N
DNL
INL
∆W/∆T
V
FSE
V
ZSE
Wiper at center
Wiper at highest position
Wiper at lowest position
100
-1
-1
±0.2
±0.1
+20
-1
0
0
1
+1
+1
Taps
LSB
LSB
ppm/°C
LSB
LSB
V
A
, V
B
, V
W
C
A
, C
B
V
SS
30
30
V
DD
V
pF
pF
BW
10K
BW
50K
BW
100K
V
DD
= 5V, B = VSS
Wiper at center
1.5
300
200
MHz
kHz
kHz
ANALOG OUTPUT
(Buffer Enables)
Amp Output Current
Amp Output Resistance
Total Harmonic Distortion (Note 1)
I
OUT
Rout
THD
V
O
= 1/2 scale
I
L
= 100µA
A = 2.5V, V
DD
= 5V, f = 1kHz, V
IN
= 1V
RMS
3
1
10
0.08
mA
Ω
%
4
ISL45007, ISL45008
Electrical Specifications
PARAMETERS
DIGITAL INPUTS/OUTPUTS
Input High Voltage
Input Low Voltage
Output Low Voltage
Input Leakage Current
Output Leakage Current
Input Capacitance (Note 1)
Output Capacitance (Note 1)
POWER REQUIREMENTS
Operating Voltage
Operating Current
Standby Current
V
DD
I
DDR
, I
DDW
I
SA
(Note 3)
I
SB
(Note 4)
Power Supply Rejection Ratio
NOTES:
1. Not subject to production test.
2. LSB = (R
A
/V
A
– R
B
/V
B
)/(T - 1); DNL = (V
i
- V
i+1
)/LSB + 1 (if increment) or = (V
i
- V
i+1
)/LSB
-
1 (if decrement); INL = (V
i
- i*LSB)/LSB;
where i = [0, (T -1)] and T = # of taps of the device.
3. ISL45007 only.
4. ISL45008 only.
5. Conditions: V
CC
= 2.7 to 5.5V, T = 25°C and timing measured at 50% level, unless stated.
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[详细]
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