LTC2387-18
Absolute Maximum Ratings
(Notes 1, 2)
Supply Voltage (VDD)...................................................6V
Supply Voltage (VDDL, OVDD)....................................2.8V
Analog Input Voltage (Note 3)
IN+, IN–..........................(GND – 0.3V) to (VDD + 0.3V)
REFBUF..........................(GND – 0.3V) to (VDD + 0.3V)
REFIN (Note 4)............................(GND – 0.3V) to 2.8V
Digital Input Voltage (Note 3)
PD, TESTPAT.............. (GND – 0.3V) to (OVDD + 0.3V)
CLK+, CLK–................. (GND – 0.3V) to (OVDD + 0.3V)
TWOLANES, CNV+,
CNV–............................(GND – 0.3V) to (VDDL + 0.3V)
Power Dissipation............................................... 500mW
Operating Temperature Range
LTC2387C................................................. 0°C to 70°C
LTC2387I..............................................–40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
Pin Configuration
TOP VIEW
GND 1
IN+ 2
IN– 3
GND 4
REFGND 5
REFGND 6
REFBUF 7
REFBUF 8
32 31 30 29 28 27 26 25
24 CLK+
23 CLK–
22 OVDD
33
21 GND
GND
20 DCO+
19 DCO–
18 DA+
17 DA–
9 10 11 12 13 14 15 16
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2387CUH-18#PBF
LTC2387CUH-18#TRPBF 238718
32-Lead (5mm × 5mm) Plastic QFN
0°C to 70°C
LTC2387IUH-18#PBF
LTC2387IUH-18#TRPBF 238718
32-Lead (5mm × 5mm) 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.
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.
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
VIN+
VIN–
VIN+ – VIN–
VINCM
Absolute Input Range (IN+)
Absolute Input Range (IN–)
Input Differential Voltage Range
Common Mode Input Range
(Note 6)
(Note 6)
VIN+ – VIN–
(VIN+ + VIN–)/2
l
–0.1
l
–0.1
l
–VREFBUF
l VREFBUF/2 – 0.1
VREFBUF/2
VREFBUF + 0.1
VREFBUF + 0.1
VREFBUF
VREFBUF/2 + 0.1
IIN
Analog Input DC Leakage Current
l
–1
1
CIN
Analog Input Capacitance
Sample Mode
20
Hold Mode
2
CMRR
Input Common Mode Rejection Ratio
fIN = 1MHz
75
UNITS
V
V
V
V
μA
pF
pF
dB
238718fa
2
For more information www.linear.com/LTC2387-18