DRV401-EP_09 Datasheet, PDF (3/33 Pages) Texas Instruments – SENSOR SIGNAL CONDITIONING IC FOR SENSOR SIGNAL CONDITIONING IC FOR

DRV401-EP
www.ti.com .................................................................................................................................................. SBVS104B – JANUARY 2008 – REVISED MARCH 2009
ELECTRICAL CHARACTERISTICS⁽¹⁾
Boldface limits apply over the specified temperature range: T_J = –55°C to +125°C.
At T_A = +25°C and V_DD1 = V_DD2 = +5 V with external 100 kHz filter BW, and zero output current I_COMP, unless otherwise noted.
PARAMETER
DIFFERENTIAL AMPLIFIER
OFFSET VOLTAGE
V_OS
dV_OS/dT
V_OS
Offset voltage, RTO⁽²⁾⁽³⁾
Drift, RTO ⁽³⁾
Offset voltage, RTO⁽²⁾⁽³⁾
CMRR vs common-mode, RTO
PSRR vs power-supply, RTO
SIGNAL INPUT
Common-mode voltage range
SIGNAL OUTPUT
Signal over-range indication
(OVER-RANGE), Delay ⁽³⁾
Voltage output swing from negative rail⁽³⁾,
OVER-RANGE trip level
Voltage putput swing from positive rail⁽³⁾,
OVER-RANGE trip level
I_SC
Short-circuit current⁽³⁾
Gain, V_OUT/V_{IN_DIFF}
Gain error
Gain error drift
Linearity error
CONDITIONS
R_L = 10 kΩ to 2.5 V,
V_REFIN = 2.5 V
Gain 4 V/V
Gain 4 V/V
–1 V to +6 V, V_REF = 2.5 V
V_REF not included
V_IN = 1 V step ^{(3) (4)}
I = +2.5 mA, CMP trip level
I = –2.5 mA, CMP trip level
V_OUT connected to GND
V_OUT connected to V_DD
R_L = 1 kΩ
DRV401
MIN
TYP
UNITS
MAX
±0.01
±0.1
±50
±4
±0.1
±0.17
±280
±50
mV
µV/°C
mV
µV/V
µV/V
–1
(V_DD) + 1
V
2.5 to 3.5
+48
V_DD – 85
V_DD – 48
–18
+20
4
±0.02
±0.1
10
µs
+85 mV
mV
＝0.3
mA
mA
V/V
%
ppm/°C
ppm
(1) For Electromigration derating curves, please refer to http://focus.ti.com/pdfs/hirel/mltry/EP_Reliability_Information.pdf.
(2) Parameter value referred to output (RTO).
(3) See Typical Characteristics curves.
(4) Total input resistance and comparator threshold current are inversely related. See Figure 2a.
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