Datasheet

LTC2355-12/LTC2355-14
2
2355fa
aBsolute maximum ratings
Supply Voltage (V
DD
) ..................................................4V
Analog and V
REF
Input Voltages
(Note 3) ....................................–0.3V to (V
DD
+ 0.3V)
Digital Input Voltages ................... – 0.3V to (V
DD
+ 0.3V)
Digital Output Voltage ...................–0.3V to (V
DD
+ 0.3V)
Power Dissipation ...............................................100mW
Operation Temperature Range
LTC2355C-12/LTC2355C-14 .................... 0°C to 70°C
LTC2355I-12/LTC2355I-14 ...................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)...................300°C
(Notes 1, 2)
converter characteristics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. With internal reference. V
DD
= 3.3V.
PARAMETER CONDITIONS
LTC2355-12 LTC2355-14
UNITSMIN TYP MAX MIN TYP MAX
Resolution (No Missing Codes)
l
12 14 Bits
Integral Linearity Error (Notes 4, 5, 18)
l
–2 ±0.25 2 –4 ±0.5 4 LSB
Offset Error (Notes 4, 18)
l
–10 ±1 10 –20 ±2 20 LSB
Gain Error (Note 4, 18)
l
–30 ±5 30 –80 ±10 80 LSB
Gain Tempco Internal Reference (Note 4)
External Reference
±15
±1
±15
±1
ppm/°C
ppm/°C
orDer inFormation
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2355CMSE-12#PBF LTC2355CMSE-12#TRPBF LTCVX 10-Lead Plastic MSOP 0°C to 70°C
LTC2355IMSE-12#PBF LTC2355IMSE-12#TRPBF LTCVX 10-Lead Plastic MSOP –40°C to 85°C
LTC2355CMSE-14#PBF LTC2355CMSE-14#TRPBF LTCVY 10-Lead Plastic MSOP 0°C to 70°C
LTC2355IMSE-14#PBF LTC2355IMSE-14#TRPBF LTCVY 10-Lead Plastic MSOP –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard 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/
pin conFiguration
1
2
3
4
5
A
IN
+
A
IN
–
V
REF
GND
GND
10
9
8
7
6
CONV
SCK
SDO
V
DD
GND
TOP VIEW
11
GND
MSE PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 40°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB