Datasheet
LTC2308
2
2308fb
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
Supply Voltage (AV
DD
, DV
DD
, OV
DD
) ...........................6V
Analog Input Voltage (Note 3)
CH0-CH7, COM, REF,
REFCOMP ...................(GND – 0.3V) to (AV
DD
+ 0.3V)
Digital Input Voltage
(Note 3) .......................... (GND – 0.3V) to (DV
DD
+ 0.3V)
Digital Output Voltage .... (GND – 0.3V) to (OV
DD
+ 0.3V)
Power Dissipation ...............................................500mW
Operating Temperature Range
LTC2308C ................................................ 0°C to 70°C
LTC2308I.............................................. –40°C to 85°C
Storage Temperature Range ................... –65°C to 150°C
(Notes 1, 2)
24
25
23 22 21 20 19
7 8 9
TOP VIEW
UF PACKAGE
24-LEAD (4mm s 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
CH3
CH4
CH5
CH6
CH7
COM
GND
SD0
SCK
SDI
CONVST
AV
DD
CH2
CH1
CH0
DV
DD
GND
OV
DD
V
REF
REFCOMP
GND
GND
GND
AV
DD
T
JMAX
= 150°C, θ
JA
= 37°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
CONVERTER AND MULTIPLEXER CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes)
l
12 Bits
Integral Linearity Error (Note 6)
l
±0.3 ±1 LSB
Differential Linearity Error
l
±0.25 ±1 LSB
Bipolar Zero Error (Note 7)
l
±1 ±6 LSB
Bipolar Zero Error Drift 0.002 LSB/°C
Bipolar Zero Error Match
l
±0.3 ±3 LSB
Unipolar Zero Error (Note 7)
l
±0.5 ±3 LSB
Unipolar Zero Error Drift 0.002 LSB/°C
Unipolar Zero Error Match
l
±0.3 ±2 LSB
The l denotes the specifi cations
which apply over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C. (Notes 4, 5)
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2308CUF#PBF LTC2308CUF#TRPBF 2308 24-Lead (4mm × 4mm) Plastic QFN 0°C to 70°C
LTC2308IUF#PBF LTC2308IUF#TRPBF 2308 24-Lead (4mm × 4mm) Plastic QFN –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.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ORDER INFORMATION