Datasheet

LTC2451
2
2451fg
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
CC
) ................................... –0.3V to 6V
Analog Input Voltage (V
IN
) ............ –0.3V to (V
CC
+ 0.3V)
Reference Voltage (V
REF
+
, V
REF
–
) ...–0.3V to (V
CC
+ 0.3V)
Digital Voltage (V
SDA
, V
SCL
) .......... –0.3V to (V
CC
+ 0.3V)
(Notes 1, 2)
TOP VIEW
9
DDB PACKAGE
8-LEAD (3mm × 2mm) PLASTIC DFN
5
6
7
8
4
3
2
1GND
REF
–
REF
+
V
CC
SDA
SCL
IN
GND
C/I GRADE T
JMAX
= 125°C, θ
JA
= 76°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
GND 1
REF
–
2
REF
+
3
V
CC
4
8 SDA
7 SCL
6 IN
5 GND
TOP VIEW
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
C/I GRADE T
JMAX
= 125°C, θ
JA
= 140°C/W
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) (Note 3)
l
16 Bits
Integral Nonlinearity (Note 4)
l
2 10 LSB
Offset Error 30Hz Mode
l
0.08 0.5 mV
Offset Error 60Hz Mode
l
0.5 2 mV
Offset Error Drift 0.02 LSB/°C
Gain Error
l
0.01 0.02 % of FS
Gain Error Drift 0.02 LSB/°C
Transition Noise 1.4 µV
RMS
Power Supply Rejection DC 30Hz Mode 80 dB
Power Supply Rejection DC 60Hz Mode 80 dB
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 2)
Lead Free Finish
TAPE AND REEL (MINI) TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2451CDDB#TRMPBF LTC2451CDDB#TRPBF LDGQ 8-Lead Plastic (3mm × 2mm) DFN 0°C to 70°C
LTC2451IDDB#TRMPBF LTC2451IDDB#TRPBF LDGQ 8-Lead Plastic (3mm × 2mm) DFN –40°C to 85°C
LTC2451CTS8#TRMPBF LTC2451CTS8#TRPBF LTDNS 8-Lead Plastic TSOT-23 0°C to 70°C
LTC2451ITS8#TRMPBF LTC2451ITS8#TRPBF LTDNS 8-Lead Plastic TSOT-23 –40°C to 85°C
TRM = 500 pieces. *Temperature grades are identified by a label on the shipping container.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
Storage Temperature Range ................... –65°C to 150°C
Operating Temperature Range
LTC2451C ................................................ 0°C to 70°C
LTC2451I.............................................. –40°C to 85°C