4
FN6345.3
May 14, 2009
Electrical Specifications
OPERATIONAL AMPLIFIER “B” V+ = +5V, V- = GND, VCM = 1/2V+, TA = +25°C, unless otherwise specified.
For ISL28274 ONLY. Boldface limits apply over the operating temperature range, -40°C to +125°C.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
VOS
Input Offset Voltage
-225
-450
±
20
225
450
V
Long Term Input Offset Voltage
Stability
1.2
V/Mo
Input Offset Drift vs Temperature
2.2
V/°C
IOS
Input Offset Current
(see Figure
45 for extended temperature range)
-40°C to +85°C
-30
-80
±
530
80
pA
IB
Input Bias Current
(see Figures
39 and
40 for extended temperature range)
-40°C to +85°C
-30
-80
±
10
30
80
pA
eN
Input Noise Voltage Peak-to-Peak f = 0.1Hz to 10Hz
5.4
VP-P
Input Noise Voltage Density
fO = 1kHz
50
nV/
√Hz
iN
Input Noise Current Density
fO = 1kHz
0.14
pA/
√Hz
CMIR
Input Voltage Range
Guaranteed by CMRR test
05
V
CMRR
Common-Mode Rejection Ratio
VCM = 0V to 5V
80
75
100
dB
PSRR
Power Supply Rejection Ratio
V+ = 2.4V to 5V
85
80
105
dB
AVOL
Large Signal Voltage Gain
VO = 0.5V to 4.5V, RL = 100kΩ
200
190
300
V/mV
SR
Slew Rate
RL = 1kΩ to VCM
0.12
0.09
±
0.14
0.16
0.21
V/s
GBW
Gain Bandwidth Product
VOUT = 10mVP-P; RL = 10kΩ
300
kHz
ΔV
OS
ΔTime
------------------
ΔV
OS
ΔT
----------------
Electrical Specifications
COMMON ELECTRICAL SPECIFICATIONS V+ = 5V, V- = GND, VCM = 1/2V+, TA = +25°C, unless otherwise
specified. For ISL28274 ONLY. Boldface limits apply over the operating temperature range, -40°C to +125°C.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
VOUT
Maximum Output Voltage Swing
Output low, RL = 100kΩ to VCM
3
6
30
mV
Output low, RL = 1kΩ to VCM
130
175
225
mV
Output high, RL = 100kΩ to VCM
4.990
4.97
4.996
V
Output high, RL = 1kΩ to VCM
4.800
4.750
4.880
V
IS,ON
Supply Current
ISL28274 All channels
120
156
175
A
ISL28474 All channels
240
315
350
A
ISC+
Short Circuit Sourcing Capability
RL = 10Ω to VCM
28
24
31
mA
ISC-
Short Circuit Sinking Capability
RL = 10Ω to VCM
24
20
26
mA
V+
Minimum Supply Voltage
2.4
V
NOTE:
2. Parts are 100% tested at +25°C. Over temperature limits established by characterization and are not production tested.
ISL28274, ISL28474