LTC2482
2
2482fc
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
TOP VIEW
11
DD PACKAGE
10-LEAD (3mm
3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
fO
SCK
GND
SDO
CS
*GND
VCC
VREF
IN+
IN–
TJMAX = 125°C, θJA = 160°C/W
EXPOSED PAD (PIN #) IS GND, MUST BE SOLDERED TO PCB
*PIN 1 MAY BE DRIVEN WITH A DIGITAL SIGNAL IN ORDER TO
REMAIN PIN COMPATIBLE WITH THE LTC2480/LTC2482
ELECTRICAL CHARACTERISTICS (NORMAL SPEED) The l denotes the specications which
apply over the full operating temperature range, otherwise specications are at TA = 25°C. (Notes 3, 4)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2482CDD#PBF
LTC2482CDD#TRPBF
LBSQ
10-Lead (3mm
× 3mm) Plastic DFN
0°C to 70°C
LTC2482IDD#PBF
LTC2482IDD#TRPBF
LBSQ
10-Lead (3mm
× 3mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based nish parts.
Supply Voltage (VCC) to GND ...................... –0.3V to 6V
Analog Input Voltage to GND ....... –0.3V to (VCC + 0.3V)
Reference Input Voltage to GND .. –0.3V to (VCC + 0.3V)
Digital Input Voltage to GND ........ –0.3V to (VCC + 0.3V)
Digital Output Voltage to GND...... –0.3V to (VCC + 0.3V)
Operating Temperature Range
LTC2482C ............................................... 0°C to 70°C
LTC2482I ............................................ –40°C to 85°C
Storage Temperature Range.................. –65°C to 125°C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
0.1 ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5)
l
16
Bits
Integral Nonlinearity
5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6)
2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6)
l
2
1
20
ppm of VREF
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 14)
l
0.5
5
μV
Offset Error Drift
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC
10
nV/°C
Positive Full-Scale Error
2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF
l
32
ppm of VREF
Positive Full-Scale Error Drift
2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF
0.1
ppm of
VREF/°C
Negative Full-Scale Error
2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF
l
32
ppm of VREF
Negative Full-Scale Error Drift
2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF
0.1
ppm of
VREF/°C
Total Unadjusted Error
5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V
2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
15
ppm of VREF
Output Noise
5V ≤ VCC ≤ 5.5V, VREF = 5V, GND ≤ IN– = IN+ ≤ VCC (Note 13)
0.6
μVRMS