LTC2323-14
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
Supply Voltage (VDD)...................................................6V
Supply Voltage (OVDD).................................................3V
Supply Bypass Voltage (VBYP1, VBYP2)........................3V
Analog Input Voltage
AIN+, AIN– (Note 3).................... –0.3V to (VDD + 0.3V)
REFOUT1,2.............................. .–0.3V to (VDD + 0.3V)
CNV (Note 15)........................... –0.3V to (VDD + 0.3V)
Digital Input Voltage
(Note 3)........................... (GND – 0.3V) to (OVDD + 0.3V)
Digital Output Voltage
(Note 3)........................... (GND – 0.3V) to (OVDD + 0.3V)
Power Dissipation................................................200mW
Operating Temperature Range
LTC2323C................................................. 0°C to 70°C
LTC2323I..............................................–40°C to 85°C
LTC2323H........................................... –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
28 27 26 25 24 23
VDD 1
22 SCK–
AIN2+ 2
AIN2– 3
GND 4
GND 5
21 SCK+
20 SDO2–
29 19 SDO2+
GND 18 CLKOUT–
AIN1– 6
17 CLKOUT+
AIN1+ 7
16 SDO1–
VDD 8
15 SDO1+
9 10 11 12 13 14
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC2323-14#orderinfo
LEAD FREE FINISH
TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2323CUFD-14#PBF LTC2323CUFD-14#TRPBF 23234
28-Lead (4mm × 5mm) Plastic QFN
0°C to 70°C
LTC2323IUFD-14#PBF LTC2323IUFD-14#TRPBF
23234
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 85°C
LTC2323HUFD-14#PBF LTC2323HUFD-14#TRPBF 23234
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/. Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
E LECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C (Note 4).
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VIN+
VIN–
VIN+ – VIN–
VCM
IIN
CIN
CMRR
IREFOUT
Absolute Input Range (AIN1+, AIN2+)
Absolute Input Range (AIN1–, AIN2–)
Input Differential Voltage Range
Common Mode Input Range
Analog Input DC Leakage Current
Analog Input Capacitance
Input Common Mode Rejection Ratio
External Reference Current
(Note 5)
(Note 5)
VIN = VIN+ – VIN–
VIN = (VIN+ + VIN–)/2
fIN = 2.2MHz
REFINT = 0V, REFOUT = 4.096V
l0
l0
l –REFOUT1,2
l0
l –1
10
85
675
2 For more information www.linear.com/LTC2323-14
VDD
VDD
REFOUT1,2
VDD
1
V
V
V
V
µA
pF
dB
µA
232314fb