Linear Technology DC941A - LTC2482 16-bit Delta-Sigma ADC (req DC590) DC941A DC941A Ficha De Dados
Códigos do produto
DC941A
LTC2482
2
2482fc
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
TOP VIEW
11
DD PACKAGE
10-LEAD (3mm
s 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
f
O
SCK
GND
SDO
CS
*GND
V
CC
V
REF
IN
+
IN
–
T
JMAX
= 125°C,
θ
JA
= 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 specifi cations which
apply over the full operating temperature range, otherwise specifi cations are at T
A
= 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 specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on tape and reel specifi cations, go to:
Supply Voltage (V
CC
) to GND ...................... –0.3V to 6V
Analog Input Voltage to GND ....... –0.3V to (V
CC
+ 0.3V)
Reference Input Voltage to GND .. –0.3V to (V
CC
+ 0.3V)
Digital Input Voltage to GND ........ –0.3V to (V
CC
+ 0.3V)
Digital Output Voltage to GND ...... –0.3V to (V
CC
+ 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
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 ≤ V
REF
≤ V
CC
, –FS ≤ V
IN
≤ +FS (Note 5)
l
16
Bits
Integral Nonlinearity
5V ≤ V
CC
≤ 5.5V, V
REF
= 5V, V
IN(CM)
= 2.5V (Note 6)
2.7V ≤ V
CC
≤ 5.5V, V
REF
= 2.5V, V
IN(CM)
= 1.25V (Note 6)
l
2
1
1
20
ppm of V
REF
ppm of V
REF
Offset Error
2.5V ≤ V
REF
≤ V
CC
, GND ≤ IN
+
= IN
–
≤ V
CC
(Note 14)
l
0.5
5
μV
Offset Error Drift
2.5V ≤ V
REF
≤ V
CC
, GND ≤ IN
+
= IN
–
≤ V
CC
10
nV/°C
Positive Full-Scale Error
2.5V ≤ V
REF
≤ V
CC
, IN
+
= 0.75V
REF
, IN
–
= 0.25V
REF
l
32
ppm of V
REF
Positive Full-Scale Error Drift
2.5V ≤ V
REF
≤ V
CC
, IN
+
= 0.75V
REF
, IN
–
= 0.25V
REF
0.1
ppm of
V
REF
/°C
Negative Full-Scale Error
2.5V ≤ V
REF
≤ V
CC
, IN
+
= 0.75V
REF
, IN
–
= 0.25V
REF
l
32
ppm of V
REF
Negative Full-Scale Error Drift
2.5V ≤ V
REF
≤ V
CC
, IN
+
= 0.75V
REF
, IN
–
= 0.25V
REF
0.1
ppm of
V
REF
/°C
Total Unadjusted Error
5V ≤ V
CC
≤ 5.5V, V
REF
= 2.5V, V
IN(CM)
= 1.25V
5V ≤ V
CC
≤ 5.5V, V
REF
= 5V, V
IN(CM)
= 2.5V
2.7V ≤ V
CC
≤ 5.5V, V
REF
= 2.5V, V
IN(CM)
= 1.25V
15
ppm of V
REF
ppm of V
REF
ppm of V
REF
Output Noise
5V ≤ V
CC
≤ 5.5V, V
REF
= 5V, GND ≤ IN
–
= IN
+
≤ V
CC
(Note 13)
0.6
μV
RMS