LTC2225_15 Datasheet, PDF (2/20 Pages) Linear Technology – 12-Bit, 10Msps Low Power 3V ADC

LTC2225
ABSOLUTE AXI U RATI GS
OV_DD = V_DD (Notes 1, 2)
Supply Voltage (V_DD) ................................................. 4V
Digital Output Ground Voltage (OGND) ....... –0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (V_DD + 0.3V)
Digital Input Voltage .................... –0.3V to (V_DD + 0.3V)
Digital Output Voltage ................ –0.3V to (OV_DD + 0.3V)
Power Dissipation ............................................ 1500mW
Operating Temperature Range
LTC2225C ............................................... 0°C to 70°C
LTC2225I .............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
32 31 30 29 28 27 26 25
A_IN+ 1
A_IN– 2
24 D8
23 D7
REFH 3
22 D6
REFH 4
REFL 5
33
21 OV_DD
20 OGND
REFL 6
V_DD 7
GND 8
19 D5
18 D4
17 D3
9 10 11 12 13 14 15 16
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 34°C/W
EXPOSED PAD IS GND (PIN 33)
MUST BE SOLDERED TO PCB
ORDER PART NUMBER QFN PART MARKING
LTC2225CUH
LTC2225IUH
2225*
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
CO VERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Resolution
(No Missing Codes)
● 12
Bits
Integral
Linearity Error
Differential Analog Input
(Note 5)
● –1.1 ±0.3 1.1
LSB
Differential
Linearity Error
Differential Analog Input
● –0.7 ±0.15 0.7
LSB
Offset Error
(Note 6)
● –12 ±2 12
mV
Gain Error
External Reference
● –2.5 ±0.5 2.5
%FS
Offset Drift
±10
µV/°C
Full-Scale Drift
Internal Reference
±30
ppm/°C
External Reference
±5
ppm/°C
Transition Noise
SENSE = 1V
0.25
LSB_RMS
2225fa
2