Datasheet

LMP92001
www.ti.com SNAS507B –FEBRUARY 2011–REVISED APRIL 2012
ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise noted, these specifications apply for VDD=4.75V to 5.5V, AREF=DREF=VDD, T
A
=25°C. Boldface limits are
over the temperature range of −40°C ≤ T
A
≤ 125°C unless otherwise noted. DAC input code range 48 to 4047. DAC output C
L
= 200 pF unless otherwise noted.
Symbol Parameter Conditions Min Typ Max Units
Offset Error change with VDD 77 dB
PSRR Power Supply Rejection Ratio
Gain Error change with VDD 73
V
IN
FS Input Range AREF
I
INA
Input Current In Hold or inactive ±1 µA
In Track 33 pF
C
INA
Input Capacitance
In Hold or inactive 3 pF
REFERENCE CHARACTERISTICS
AREF Reference Input Range CREF.AEXT = 1 2.7 VDD V
DREF Reference Input Range 2.5 VDD V
CREF.DEXT = 1
DREF Reference Input Resistance 10 kΩ
DREF = 5V,
DREF Input Current 660 µA
CREF.DEXT = 1
AREF = 5V
AREF Peak Current 2.3 mA
CREF.DEXT = 1
AREF and DREF Reference Current
1 µA
in Powerdown
Internally Generated Reference
4.47 4.5 4.53 V
Voltage
AREF, DREF Output Impedance CREF.AEXT = 0
5 Ω
when Internal Reference Active CREF.DEXT = 0
TEMPERATURE SENSOR
Sensor Gain −13.45 mV/°C
−25°C to +85°C −2 2
Temperature Error °C
−45°C to +125°C −2.5 2.5
DIGITAL INPUT CHARACTERISTICS (AS1:AS0)
V
IH
Input HIGH Voltage 0.90x VDD V
0.43 x 0.57 x
V
IM
Input MID Voltage
VDD VDD
V
IL
Input LOW Voltage 0.1 x VDD V
I
IND
Digital Input Current ±0.005 ±1 µA
C
IND
Input Capacitance 4 pF
DIGITAL INPUT CHARACTERISTICS (GPIO0:GPIO7, C1:C4)
V
IH
Input HIGH Voltage 0.7 x VDD V
V
IL
Input LOW Voltage 0.3 x VDD V
Hysteresis 0.47 V
I
IND
Digital Input Current ±0.005 ±1 µA
C
IND
Input Capacitance 4 pF
DIGITAL INPUT CHARACTERISTICS (SDA and SCL)
V
IH
Input HIGH Voltage 2.2 V
V
IL
Input LOW Voltage 1 V
Hysteresis 0.27 V
I
IND
Digital Input Current ±0.005 ±1 µA
C
IND
Input Capacitance 4 pF
DIGITAL OUTPUT CHARACTERISTICS (INT and GPIO)
V
OL
Output LOW Voltage I
OUT
= 200 µA 0.005 0.4 V
I
OUT
= 4 mA 0.16 0.4 V
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