Datasheet

LMP90100
SNAS510P –JANUARY 2011–REVISED MARCH 2013 www.ti.com
Electrical Characteristics (continued)
Unless otherwise noted, the key for the condition is (VA = VIO = VREF) / ODR (SPS) / buffer / calibration / gain . Boldface
limits apply for T
MIN
≤ T
A
≤ T
MAX
; the typical values apply for T
A
= +25°C.
Symbol Parameter Conditions Min Typ Max Units
Differential Input ODR = 13.42 SPS
ZIN 15.4 MOhm
Impedance
Capacitance of the 5V / 214.65 / OFF / OFF / 1
CINP 4 pF
Positive Input
Capacitance of the 5V / 214.65 / OFF / OFF / 1
CINN 4 pF
Negative Input
3V & 5V / 13.42 / ON / OFF / 1-8 500 pA
Input Leakage
IIN
Current
3V & 5V / 13.42 / ON / OFF / 16 - 128 100 pA
DIGITAL INPUT CHARACTERISTICS at VA = VIO = VREF = 3.0V
Logical "1" Input
VIH 0.7 x VIO V
Voltage
Logical "0" Input
VIL 0.3 x VIO V
Voltage
Digital Input
IIL -10 +10 µA
Leakage Current
Digital Input
VHYST 0.1 x VIO V
Hysteresis
DIGITAL OUTPUT CHARACTERISTICS at VA = VIO = VREF = 3.0V
Logical "1" Output Source 300 µA
VOH 2.6 V
Voltage
Logical "0" Output Sink 300 µA
VOL 0.4 V
Voltage
TRI-
IOZH,
STATE
®
Leakage -10 10 µA
IOZL
Current
TRI-STATE
COUT
(3)
5 pF
Capacitance
EXCITATION CURRENT SOURCES CHARACTERISTICS (LMP90100/LMP90098 only)
0, 100, 200,
Excitation Current 300, 400, 500,
IB1, IB2 µA
Source Output 600, 700, 800,
900, 1000
VA = VREF = 3V -7 2.5 7 %
IB1/IB2 Tolerance
VA = VREF = 5V -3.5 0.2 3.5 %
IB1/IB2 Output VA = 3.0V & 5.0V, IB1/IB2 = 100 µA to
VA - 0.8 V
Compliance Range 1000 µA
VA = 5.0V, IB1/IB2 = 100 µA to 1000
IB1/IB2 Regulation 0.07 % / V
µA
VA = 3.0V 95 ppm/°C
IBTC IB1/IB2 Drift
VA = 5.0V 60 ppm/°C
(3) This parameter is specified by design and/or characterization and is not tested in production.
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