ISL28006_14 Datasheet, PDF (18/26 Pages) Intersil Corporation – Micropower, Rail to Rail Input Current Sense Amplifier with Voltage Output

ISL28006
Typical Performance Curves V_CC = 12V, R_L = 1MΩ, unless otherwise specified. (Continued)
15
20
10
I_RS+
5
0
-5 V_CC = 12V
V_RS- = 0V
-10 ^{AV = 20}
R_L = 1M
I_RS+
-15
0
50
100
150
200
250
DIFFERENTIAL VOLTAGE RS+ TO RS- (mV)
FIGURE 69. LOW SIDE CURRENT SENSING INPUT BIAS CURRENTS
15
10
I_RS+
V_CC = 12V
5
V_RS- = 12V
A_V = 20
0
R_L = 1M
-5
I_RS+
-10
0
50
100
150
200
250
DIFFERENTIAL VOLTAGE RS+ TO RS- (mV)
FIGURE 70. HIGH SIDE CURRENT SENSING INPUT BIAS CURRENTS
Test Circuits and Waveforms
V_CC
I_CC
+
V_RS+
-
+
V_SENSE
-
R_S+
R_S-
GND
OUT
1MΩ R_L ^VOUT
+
V_RS+
-
V_R1
R₁
+
V_SENSE
- R₂
V_R2
V_CC
R_S+
R_S-
GND
OUT
1MΩ
R_L ^VOUT
FIGURE 71. I_CC, V_OS, V_OA, CMRR, PSRR, GAIN ACCURACY
V_RS+
V_RS-
V_CC
R_S+
OUT
R_S-
GND
1MΩ R_L ^VOUT
PULSE GENERATOR
FIGURE 73. t_s, SATURATION RECOVERY TIME
V_RS+
FIGURE 72. INPUT BIAS CURRENT, LEAKAGE CURRENT
V_RS+
SIGNAL
GENERATOR
V_CC
V_SENSE
R_S+
OUT
R_S-
GND
1MΩ R_L ^VOUT
FIGURE 74. GAIN vs FREQUENCY
V_CC
R_S+
OUT
R_S-
GND
1MΩ R_L ^VOUT
PULSE
GENERATOR
FIGURE 75. SLEW RATE
18
FN6548.6
November 22, 2013