LMP91000SDE National Semiconductor, LMP91000SDE Datasheet - Page 3

• 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

Power Supply Specification
I
Potentiostat
Bias_RW
I
I
AOL_A1
en_RW
S
RE
CE
Symbol
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
VREF= 2.5V, Internal Zero= 20% VREF. Boldface limits apply at the temperature extremes.
ESD Tolerance
Voltage between any two pins
Current through VDD or VSS
Current sunk and sourced by CE pin
Current out of other
Storage Temperature Range
Junction Temperature
Human Body Model
Charge-Device Model
Machine Model
Supply Current
Bias Programming range
(differential voltage between RE
pin and WE pin)
Bias Programming Resolution
Input bias current at RE pin
Minimum operating current
capability
Minimum charging capability
(Note
Open loop voltage gain of
control loop op amp (A1)
Low Frequency integrated noise
between RE pin and WE pin
9)
(Note
Parameter
pins(Note
2)
(Note
4)
3)
-65°C to 150°C
3-lead amperometric cell mode
MODECN = 0x03
Standby mode
MODECN = 0x02
Temperature Measurement mode with TIA OFF
MODECN = 0x06
Temperature Measurement mode with TIA ON
MODECN = 0x07
2-lead ground referred galvanic cell mode
VREF=1.5V
MODECN = 0x01
Deep Sleep mode
MODECN = 0x00
Percentage of voltage referred to VREF or VDD
First two smallest step
All other steps
VDD=2.7V;
Internal Zero 50% VDD
VDD=5.25V;
Internal Zero 50% VDD
sink
source
sink
source
300mV
-750µA
0.1Hz to 10Hz, Zero Bias
(Note
0.1Hz to 10Hz, with Bias
(Note
(Note
(Note
10)
10,
5)
≤
≤
150°C
VCE
ICE
50mA
10mA
A
200V
1)
Note
6.0V
5mA
2kV
1kV
= 25°C, V
≤
≤
750µA
Vs-300mV;
11)
Conditions
3
S
=(VDD – AGND), V
Operating Ratings
For soldering specifications:
Supply Voltage V
Temperature Range
Package Thermal Resistance
see product folder at www.national.com and
www.national.com/ms/MS/MS-SOLDERING.pdf
14-Pin LLP (θ
JA
S
=3.3V and AGND = DGND =0V,
S
)
=(VDD - AGND)
(Note
(Note
-800
-900
Min
104
-90
-90
4)
7)
(Note
(Note
(Note
11.4
14.9
Typ
±24
750
750
120
6.5
6.2
0.6
3.4
5.1
10
±1
±2
10
10
4)
1)
6)
(Note
-40°C to 85°C
2.7V to 5.25V
Max
13.5
13.5
0.85
800
900
15
10
15
20
18
90
90
8
9
8
1
www.national.com
44 °C/W
7)
Units
µVpp
mA
µA
pA
µA
dB
%
%