LTC2232/LTC2233
ABSOLUTE AXI U RATI GS
OVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) ................................................. 4V
Digital Output Ground Voltage (OGND) ....... –0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (VDD + 0.3V)
Digital Input Voltage .................... –0.3V to (VDD + 0.3V)
Digital Output Voltage ............... –0.3V to (OVDD + 0.3V)
Power Dissipation ............................................ 1500mW
Operating Temperature Range
LTC2232C, LTC2233C ............................. 0°C to 70°C
LTC2232I, LTC2233I ...........................–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
AIN+ 1
AIN– 2
REFHA 3
36 D7
35 D6
34 D5
REFHA 4
REFLB 5
33 OVDD
32 OGND
REFLB 6
REFHB 7
49
31 D4
30 D3
REFHB 8
29 D2
REFLA 9
REFLA 10
28 OVDD
27 OGND
VDD 11
VDD 12
26 D1
25 D0
UK PACKAGE
48-LEAD (7mm × 7mm) PLASTIC QFN
EXPOSED PAD IS GND (PIN 49),
MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 29°C/W
ORDER PART
NUMBER
UK PART
MARKING*
LTC2232CUK
LTC2232IUK
LTC2233CUK
LTC2233IUK
LTC2232UK
LTC2232UK
LTC2233UK
LTC2233UK
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/
*The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
CO VERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Resolution (No Missing Codes)
● 10
Bits
Integral Linearity Error (Note 5)
Differential Analog Input
● –0.8 ±0.15 0.8
LSB
Differential Linearity Error
Differential Analog Input
● –0.6 ±0.1
0.6
LSB
Integral Linearity Error (Note 5)
Single-Ended Analog Input
±0.5
LSB
Differential Linearity Error
Single-Ended Analog Input
±0.1
LSB
Offset Error (Note 6)
● –37
±5
37
mV
Gain Error
External Reference
● –2.5 ±0.5
2.5
%FS
Offset Drift
±10
µV/C
Full-Scale Drift
Internal Reference
External Reference
±30
ppm/C
±15
ppm/C
Transition Noise
SENSE = 1V
0.12
LSBRMS
22323fa
2