Datasheet
Table Of Contents
- Features
- Description
- Applications
- Typical Application
- Absolute Maximum Ratings
- Pin Configuration
- Order Information
- Converter Characteristics
- Analog Input
- Digital Accuracy
- Internal Reference Characteristics
- Digital Inputs and Outputs
- Power Requirements
- Timing Characteristics
- Electrical Characteristics
- Timing Diagrams
- Typical perForMance Characteristics
- Pin Functions
- Block Diagram
- Applications Information
- Typical Applications
- Package Description
- Revision History
- Related Parts
LTC2268-14/
LTC2267-14/LTC2266-14
2
22687614fa
absoluTe MaxiMuM raTings
Supply Voltages
V
DD
, OV
DD
................................................ –0.3V to 2V
Analog Input Voltage (A
IN
+
, A
IN
–
,
PAR/SER, SENSE) (Note 3) .............–0.3V to (V
DD
+0.2V)
Digital Input Voltage (ENC
+
, ENC
–
, CS,
SDI, SCK) (Note 4) .................................... –0.3V to 3.9V
SDO (Note 4) ............................................ –0.3V to 3.9V
Digital Output Voltage .................. –0.3V to (OV
DD
+0.3V)
Operating Temperature Range
LTC2268C, 2267C, 2266C ........................ 0°C to 70°C
LTC2268I, 2267I, 2266I ....................... –40°C to 85°C
Storage Temperature Range ................... –65°C to 150°C
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2268CUJ-14#PBF LTC2268CUJ-14#TRPBF LTC2268UJ-14
40-Lead (6mm × 6mm) Plastic QFN
0°C to 70°C
LTC2268IUJ-14#PBF LTC2268IUJ-14#TRPBF LTC2268UJ-14
40-Lead (6mm × 6mm) Plastic QFN
–40°C to 85°C
LTC2267CUJ-14#PBF LTC2267CUJ-14#TRPBF LTC2267UJ-14
40-Lead (6mm × 6mm) Plastic QFN
0°C to 70°C
LTC2267IUJ-14#PBF LTC2267IUJ-14#TRPBF LTC2267UJ-14
40-Lead (6mm × 6mm) Plastic QFN
–40°C to 85°C
LTC2266CUJ-14#PBF LTC2266CUJ-14#TRPBF LTC2266UJ-14
40-Lead (6mm × 6mm) Plastic QFN
0°C to 70°C
LTC2266IUJ-14#PBF LTC2266IUJ-14#TRPBF LTC2266UJ-14
40-Lead (6mm × 6mm) Plastic QFN
–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
(Note 1)
3940 38 37 36 35 34 33 32 31
11 20
12 13 14 15
TOP VIEW
41
GND
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19
22
23
24
25
26
27
28
29
9
8
7
6
5
4
3
2
A
IN1
+
A
IN1
–
V
CM1
REFH
REFH
REFL
REFL
V
CM2
A
IN2
+
A
IN2
–
OUT1B
+
OUT1B
–
DCO
+
DCO
–
OV
DD
OGND
FR
+
FR
–
OUT2A
+
OUT2A
–
V
DD
V
DD
SENSE
GND
V
REF
PAR/SER
SDO
GND
OUT1A
+
OUT1A
–
V
DD
V
DD
ENC
+
ENC
–
CS
SCK
SDI
GND
OUT2B
–
OUT2B
+
21
30
10
1
T
JMAX
= 150°C, θ
JA
= 32°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB