LMP91000SDE National Semiconductor, LMP91000SDE Datasheet - Page 5

• Manufacturer Part Number: LMP91000SDE
• Description: AFE, SENSOR, 14LLP
• Manufacturer: National Semiconductor

Specifications of LMP91000SDE

• Brief Features: Programmable Cell Bias Voltage, Low Bias Voltage Drift, I2C Compatible Digital Interface
• Supply Voltage Range: 2.7V To 5.25V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: LLP
• Ic Function: Programmable Analogue Front End (AFE)
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TIA_ZV
RL
PSRR
Temperature Sensor Specification (Refer to
External reference specification
VREF
V
V
V
C
Symbol
f
t
t
t
t
t
t
t
t
SCL
LOW
HIGH
HD;STA
SU;STA
HD;DAT
SU;DAT
f
SU;STO
Symbol
IH
IL
OL
IN
Symbol
I
Unless otherwise specified, all limits guaranteed for at T
VREF= 2.5V. Boldface limits apply at the temperature extremes
Timing Characteristics
Unless otherwise specified, all limits guaranteed for T
2.5V, Internal Zero= 20% VREF. Boldface limits apply at the temperature extremes. Refer to timing diagram in
2
C Interface
Input High Voltage
Input Low Voltage
Output Low Voltage
Hysteresis
Input Capacitance on all digital pins
Parameter
Clock Frequency
Clock Low Time
Clock High Time
Data valid
Set-up time for a repeated START condition
Data hold
Data Setup time
SDA fall time
Set-up time for STOP condition
Internal zero voltage
Internal zero voltage Accuracy
Programmable Load
Load accuracy
Power Supply Rejection Ratio at
RE pin
Temperature Error
Sensitivity
Power on time
External Voltage reference
range
Input impedance
time(Note
Parameter
(Note
(Note
Parameter
(Note
14)
5)
14)
13)
(Note
3 programmable percentages of VREF
3 programmable percentages of VDD
4 programmable resistive loads
2.7
TA=-40˚C to 85˚C
TA=-40˚C to 85˚C
Temperature Sensor Transfer Table
5)
≤
VDD
I
OUT
A
≤
=3mA
Conditions
After this period, the first clock
pulse is generated
IL
CL
= 25°C, V
A
5.25V
= 25°C, V
≤
≤
3mA;
400pF
Conditions
Conditions
5
Internal zero 20% VREF
Internal zero 50% VREF
Internal zero 67% VREF
S
=(VDD – AGND), V
S
=(VDD – AGND), 2.7V <V
in the Function Description section for details)
S
=3.3V and AGND = DGND =0V, VREF=
0.7*VDD
0.1*VDD
(Note
Min
(Note
Min
250
4.7
4.0
4.0
4.7
4.0
10
S
0
Min
< 5.25V and AGND = DGND =0V,
7)
1.5
80
-3
7)
(Note
Typ
(Note
0.5
Typ
±0.04
Typ
100
110
-8.2
20
50
67
20
50
67
10
33
50
10
5
6)
6)
0.3*VDD
Figure
(Note
(Note
Max
Max
100
250
VDD
0.4
Max
1.9
3
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7)
1.
7)
mV/°C
Units
Units
Units
kHz
MΩ
pF
µs
µs
µs
µs
ns
ns
ns
µs
dB
ms
°C
V
V
V
V
%
%
%
Ω
V