ISL28278 Datasheet, PDF (4/13 Pages) Intersil Corporation – Dual Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op-Amp

ISL28278, ISL28478
Electrical Specifications V+ = 5V, V- = 0V,V_CM = 2.5V, R_L = 10kΩ, T_A = +25°C unless otherwise specified.
Boldface limits apply over the operating temperature range, -40°C to +125°C (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX
I_S,ON
Supply Current, Enabled
All channels enabled.
120
156
175
I_S,OFF
Supply Current, Disabled
All channels disabled.
4
7
9
I_SC+
Short Circuit Sourcing Capability
R_L = 10Ω
29
31
24
I_SC-
Short Circuit Sinking Capability
R_L = 10Ω
24
26
20
V_S
V_INH
V_INL
I_ENH
Minimum Supply Voltage
Enable Pin High Level
Enable Pin Low Level
Enable Pin Input Current
V_EN = 5V
2.4
2
0.8
0.8
1
1.5
I_ENL
Enable Pin Input Current
V_EN = 0V
-0.1
0
+0.1
UNIT
µA
µA
mA
mA
V
V
V
µA
µA
Typical Performance Curves
+1
0
-1
V_S = ±2.5V
RL = 1k
V_S = ±1.2V
RL = 1k
-2
V_S = ±1.2V
RL = 10k
-3
V_S = ±2.5V
RL = 10k
-4
-5 V_OUT = 50mVp-p
-6
A_V = 1
C_L = 3pF
-7 ^{RF=0/RG = INF}
8
1k
10k
100k
1M
5M
FREQUENCY (Hz)
FIGURE 1. FREQUENCY RESPONSE vs SUPPLY VOLTAGE
45
40
35
30
25
20
A_V = 100
15 R_L = 10kΩ
10
C_L = 3pF
R_F = 100kΩ
5 ^{RG = 1kΩ}
V_S = ±2.5V
V_S = ±1.2V
V_S = ±1.0V
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 2. FREQUENCY RESPONSE vs SUPPLY VOLTAGE
100
80
V_CM = V_DD/2
60
40
20
V_DD = 5V
0
-20
-40
V_DD = 2.5V
-60
-80
-100
0
1
2
3
4
5
OUTPUT VOLTAGE (V)
FIGURE 3. INPUT OFFSET VOLTAGE vs OUTPUT VOLTAGE
0
-20
V_OS, µV
-40
-60
-80
-100
0
1
2
3
4
5
COMMON-MODE INPUT VOLTAGE (V)
FIGURE 4. INPUT OFFSET VOLTAGE vs COMMON-MODE
INPUT VOLTAGE
4
FN6145.1
September 28, 2006