LTC2308
2
2308fb
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (AVDD, DVDD, OVDD)...........................6V
Analog Input Voltage (Note 3)
CH0-CH7, COM, REF,
REFCOMP ...................(GND – 0.3V) to (AVDD + 0.3V)
Digital Input Voltage
(Note 3).......................... (GND – 0.3V) to (DVDD + 0.3V)
Digital Output Voltage .... (GND – 0.3V) to (OVDD + 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
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
AVDD
CH2
CH1
CH0
DV
DD
GND
OV
DD
V
REF
REFCOMP
GND
AV
DD
TJMAX = 150°C, θJA = 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 specications
which apply over the full operating temperature range, otherwise specications are at TA = 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 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.
ORDER INFORMATION