LTC2245 Linear Technology, LTC2245 Datasheet - Page 2

• Manufacturer Part Number: LTC2245
• Description: 10Msps Low Power 3V ADC
• Manufacturer: Linear Technology

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CO VERTER CHARACTERISTICS
ABSOLUTE AXI U RATI GS
LTC2245
OV
Supply Voltage (V
Digital Output Ground Voltage (OGND) ....... –0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (V
Digital Input Voltage .................... –0.3V to (V
Digital Output Voltage ................ –0.3V to (OV
Power Dissipation ............................................ 1500mW
Operating Temperature Range
Storage Temperature Range ..................–65°C to 125°C
PARAMETER
Resolution
(No Missing Codes)
Integral
Linearity Error
Differential
Linearity Error
Offset Error
Gain Error
Offset Drift
Full-Scale Drift
Transition Noise
2
temperature range, otherwise specifications are at T
DD
LTC2245C ............................................... 0°C to 70°C
LTC2245I .............................................–40°C to 85°C
U
= V
DD
(Notes 1, 2)
W
DD
) ................................................. 4V
W W
U
CONDITIONS
Differential Analog Input
(Note 5)
Differential Analog Input
(Note 6)
External Reference
Internal Reference
External Reference
SENSE = 1V
A
DD
DD
DD
= 25°C. (Note 4)
+ 0.3V)
+ 0.3V)
+ 0.3V)
The
●
denotes the specifications which apply over the full operating
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
ORDER PART NUMBER
LTC2245CUH
LTC2245IUH
REFH
REFH
REFL
REFL
GND
A
A
V
IN
IN
DD
+
–
1
2
3
4
5
6
7
8
32-LEAD (5mm × 5mm) PLASTIC QFN
32 31 30 29 28 27 26 25
9 10 11 12
EXPOSED PAD IS GND (PIN 33)
http://www.linear.com/leadfree/
T
MUST BE SOLDERED TO PCB
JMAX
UH PACKAGE
= 125°C, θ
TOP VIEW
●
●
●
●
●
33
13 14 15 16
JA
–2.5
MIN
–12
= 34°C/W
14
–4
–1
U
QFN PART MARKING
±0.5
±0.5
TYP
±10
±30
±1
±2
±5
1
2245*
24
23
22
21
20
19
18
17
W
D10
D9
D8
OV
OGND
D7
D6
D5
DD
MAX
2.5
12
4
1
LSB
ppm/°C
ppm/°C
UNITS
µV/°C
2245fa
U
%FS
LSB
LSB
RMS
Bits
mV