ISL28006_11 Datasheet, PDF (6/24 Pages) Intersil Corporation – Micropower, Rail to Rail Input Current Sense Amplifier

ISL28006
Electrical Specifications V_CC = 12V, V_RS+ = 0V to 28V, V_SENSE = 0V, R_LOAD = 1MΩ, T_A = +25°C unless otherwise specified.
Boldface limits apply over the operating temperature range, -40°C to +125°C. Temperature data established by characterization. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
MAX
(Note 7) TYP (Note 7) UNIT
I_S
Gain = 100
V_RS+ > 2V, V_SENSE = 5mV
50
59
µA
62
µA
Gain = 50, 20,
V_RS+ > 2V, V_SENSE = 5mV
50
62
µA
63
µA
ADJ Gain = 21
R_f = 100kΩ, R_g = 5kΩ
V_RS+ > 2V, V_SENSE = 5mV
50
62
µA
63
µA
V_CC
Slew Rate
BW_-3dB
t_S
Supply Voltage
Guaranteed by PSRR
2.7
28
V
Gain = 100
Gain = 50
Gain = 20
ADJ Gain = 21
R_f = 100kΩ, R_g = 5kΩ
Gain = 100
Gain = 50
Gain = 20
ADJ, Gain = 101 (Figure 59)
ADJ, Gain = 51 (Figure 59)
ADJ, Gain = 21 (Figure 59)
Output Settling Time to 1% of Final
Value
Capacitive-Load Stability
Pulse on R_S+ pin, V_OUT = 8V_P-P (Figure 67)
Pulse on R_S+ pin, V_OUT = 8V_P-P (Figure 67)
Pulse on R_S+ pin, V_OUT = 3.5V_P-P (Figure 67)
Pulse on R_S+ pin, V_OUT = 3.5V_P-P (Figure 67)
V_RS+ = 12V, 0.1V, V_SENSE = 100mV
V_RS+ = 12V, 0.1V, V_SENSE = 100mV
V_RS+ = 12V, 0.1V, V_SENSE = 100mV
V_RS+ = 12V, 0.1V, V_SENSE = 100mV, R_f = 100kΩ,
R_g = 1kΩ
V_RS+ = 12V, V_SENSE = 100mV, R_f = 100kΩ, R_g = 2kΩ
V_RS+ = 0.1V, V_SENSE = 100mV, R_f = 100kΩ, R_g = 2kΩ
V_RS+ = 12V, V_SENSE = 100mV, R_f = 100kΩ, R_g = 5kΩ
V_RS+ = 0.1V, V_SENSE = 100mV, R_f = 100kΩ, R_g = 5kΩ
V_CC = V_RS+ = 12V, V_OUT = 10V step, V_SENSE > 7mV
V_CC = V_RS+ = 0.2V, V_OUT = 10V step, V_SENSE > 7mV
No sustained oscillations
0.58
0.58
0.50
0.50
0.76
0.67
0.67
0.67
110
160
180
40
78
122
131
237
15
20
300
V/µs
V/µs
V/µs
V/µs
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
µs
µs
pF
t_{S Power-up}
Power-Up Time to 1% of Final Value V_CC = V_RS+ = 12V, V_SENSE = 100mV
15
µs
V_CC = 12V, V_RS+ = 0.2V, V_SENSE = 100mV
50
µs
Saturation Recovery Time
V_CC = V_RS+ = 12V, V_SENSE = 100mV, overdrive
10
µs
NOTES:
7. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
8. DEFINITION OF TERMS:
• V_SENSEA = V_SENSE @ 100mV
• V_SENSEB = V_SENSE @ 20mV
• V_OUTA = V_OUT @ V_SENSEA = 100mV
• V_OUTB = V_OUT @ V_SENSEB = 20mV
•G=
GAIN
=
⎛
⎜
⎝
-_V---_S---^V_E----_NO---_S-^U---_ET---^AA-----––-----^VV---^OS----_EU---_N-^T---^B_S---_E---_B-- _{⎠⎟⎞}
9.
V_OS is extrapolated from the gain measurement.
V_OS
=
V_SENSEA
–
V_{----O----U---T---}A_--
G
10.
% Gain Accuracy = G_A =
⎛
⎜
⎝
-^G----^M----^E---^A----^S---^U-_G---^R-_E---^EX---^D-_P---_E-–--_C--^G--_T--^E-_E---^XD---^P----^E---^C---^T---^E---^D--_{⎠⎟⎞}
× 100
11.
Output Accuracy % VOA =
⎛
⎜
⎝
V_----O_-----U_----T_{---M----E---A--V--S--O-U----UR----TE---ED---X--–-P---}V_-E---CO_----T-U_-E---T_{-D--E---X---P----E---C---T---E----D--⎠⎟⎞}
× 100, where V_OUT = V_SENSE X GAIN and V_SENSE = 100mV
6
FN6548.5
May 23, 2011