4
FN6260.6
October 21, 2009
EG
Gain Error
ISL28270, ISL28470
RL = 100kΩ to VCM
+0.5
%
ISL28273
+0.12
%
VOUT
Maximum Voltage Swing
Output low, 100k
Ω to 2.5V
4
10
mV
Output low, 1k
Ω to 2.5V
130
250
300
mV
Output high, 100k
Ω to 2.5V
4.990
4.996
V
Output high, 1k
Ω to GND
4.75
4.70
4.88
V
IS,EN
Supply Current, Enabled
ISL28270, ISL28273 - Both A and B Channels
enabled; EN = V-
120
156
195
A
ISL28470 - A, B, C and D Channels enabled; EN = V-
260
335
A
IS,DIS
Supply Current, Disabled
(ISL28270, ISL28470 Only)
ISL28270 - Both A & B channels disabled; EN =V+
4
7
9
A
ISL28470 - A, B, C & D channels disabled; EN = V+
10
12
15
A
VENH
EN Pin for Shut-down
(ISL28270, ISL28470 Only)
2
V
VENL
EN Pin for Power-On
(ISL28270, ISL28470 Only)
0.8
V
IENH
EN Input Current High
(ISL28270, ISL28470 Only)
EN = V+
0.8
1
1.3
A
IENL
EN Input Current Low
(ISL28270, ISL28470 Only)
EN = V-
26
50
100
nA
VSUPPLY
Supply Operating Range
V+ to V-
2.4
5.5
V
ISC
Short Circuit Output Current
V+ = 5V, RLOAD = 10Ω
±20
±18
±29
mA
AC SPECIFICATIONS
SR
Slew Rate
RL = 1kΩ to GND, ISL28270, ISL28470
0.3
0.25
0.5
0.7
0.75
V/s
RL = 1kΩ to GND, ISL28273
0.35
0.3
0.6
0.75
0.8
-3dB BW
-3dB Bandwidth
ISL28270, ISL28470
Gain = 100
240
kHz
Gain = 200
84
kHz
Gain = 500
30
kHz
Gain = 1000
13
kHz
ISL28273
Gain = 10
265
kHz
Gain = 20
100
kHz
Gain = 50
25
kHz
Gain = 100
13
kHz
eN
Input Noise Voltage
ISL28270, ISL28470
f = 0.1Hz to 10Hz
3.5
VP-P
ISL28273
3.5
VP-P
Input Noise Voltage Density
ISL28270, ISL28470
fo = 1kHz
60
nV/
√Hz
ISL28273
210
nV/
√Hz
iN
Input Noise Current Density
ISL28270, ISL28sa470
fo = 1kHz
0.37
pA/
√Hz
ISL28273
0.75
pA/
√Hz
Electrical Specifications
V+ = +5V, V- = 0V VCM = 1/2V+, RL = Open, TA = +25°C, unless otherwise specified.
Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
(Note 2)
TYP
MAX
(Note 2)
UNIT
ISL28270, ISL28273, ISL28470