LTC2452 Datasheet, PDF (2/20 Pages) Linear Technology – Ultra-Tiny, Differential, 16-Bit ΔΣ ADC with SPI Interface

LTC2452
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
Supply
Analog
Voltage (V_CC)
Input Voltage
................................... –0.3V
(V_IN+, V_IN–).. –0.3V to (V_CC +
to 6V
0.3V)
Reference Voltage (V_REF) .............. –0.3V to (V_CC + 0.3V)
Digital Voltage (V_SDO, V_SCK, V_CS).. –0.3V to (V_CC + 0.3V)
Storage Temperature Range................... –65°C to 150°C
Operating Temperature Range
LTC2452C ................................................ 0°C to 70°C
LTC2452I.............................................. –40°C to 85°C
PIN CONFIGURATION
TOP VIEW
SCK 1
8 SDO
GND 2
7 CS
REF 3
9
6 IN⁺
V_CC 4
5 IN^–
DD8 PACKAGE
8-LEAD (3mm s 2mm) PLASTIC DFN
C/I GRADE T_JMAX = 125°C, θ_JA = 76°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
SCK 1
GND 2
REF 3
V_CC 4
8 SDO
7 CS
6 IN⁺
5 IN^–
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
C/I GRADE T_JMAX = 125°C, θ_JA = 140°C/W
ORDER INFORMATION
Lead Free Finish
TAPE AND REEL (MINI) TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
LTC2452CDDB#TRMPBF LTC2452CDDB#TRPBF LDNJ
8-Lead Plastic (3mm × 2mm) DFN
LTC2452IDDB#TRMPBF LTC2452IDDB#TRPBF LDNJ
8-Lead Plastic (3mm × 2mm) DFN
LTC2452CTS8#TRMPBF LTC2452CTS8#TRPBF LTDPK
8-Lead Plastic TSOT-23
LTC2452ITS8#TRMPBF LTC2452ITS8#TRPBF
LTDPK
8-Lead Plastic TSOT-23
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/
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. (Note 2)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Resolution (No Missing Codes)
(Note 3)
l 16
Bits
Integral Nonlinearity
(Note 4)
l
1
10
LSB
Offset Error
l
2
10
LSB
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
Power Supply Rejection DC
2.2
μV_RMS
80
dB
2452fb
2