LTC2293/LTC2292/LTC2291

2

229321f

TOP VIEW

UP PACKAGE

64-LEAD (9mm

× 9mm) PLASTIC QFN

EXPOSED PAD (PIN 65) IS GND AND MUST BE SOLDERED TO PCB

REFHA 3

REFHA 4

REFLA 5

REFLA 6

CLKA 8

CLKB 9

REFLB 11

REFLB 12

REFHB 13

REFHB 14

48 DA5

47 DA4

46 DA3

45 DA2

44 DA1

43 DA0

42 NC

41 NC

40 OFB

39 DB11

38 DB10

37 DB9

36 DB8

35 DB7

34 DB6

33 DB5

65

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

Digital Output Ground Voltage (OGND) ....... –0.3V to 1V

Power Dissipation ............................................ 1500mW

Operating Temperature Range

LTC2293C, LTC2292C, LTC2291C ........... 0°C to 70°C

LTC2293I, LTC2292I, LTC2291I ..........–40°C to 85°C

Storage Temperature Range ..................–65°C to 125°C

Lead Temperature (Soldering, 10 sec).................. 300°C

ORDER PART

NUMBER

QFN PART*

MARKING

LTC2293UP

LTC2292UP

LTC2291UP

LTC2293CUP

LTC2293IUP

LTC2292CUP

LTC2292IUP

LTC2291CUP

LTC2291IUP

Consult LTC Marketing for parts specified with wider operating temperature ranges.

*The temperature grade is identified by a label on the shipping container.

The

LTC2293

LTC2292

LTC2291

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Resolution

●

12

12

12

Bits

(No Missing Codes)

Integral Linearity Error Differential Analog Input (Note 5)

●

–1.4

±0.3

1.4

–1.4

±0.3

1.4

–1.3

±0.3

1.3

LSB

Differential

Differential Analog Input

●

–0.8

±0.15

0.8

–0.7

±0.15

0.7

–0.7

±0.15

0.7

LSB

Linearity Error

Offset Error

(Note 6)

●

–12

±212

–12

±212

–12

±212

mV

Gain Error

External Reference

●

–2.5

±0.5

2.5

–2.5

±0.5

2.5

–2.5

±0.5

2.5

%FS

Offset Drift

±10

±10

±10

µV/°C

Full-Scale Drift

Internal Reference

±30

±30

±30

ppm/°C

External Reference

±15

±15

±15

ppm/°C

Gain Matching

External Reference

±0.3

±0.3

±0.3

%FS

Offset Matching

±2

±2

±2mV

Transition Noise

SENSE = 1V

0.25

0.25

0.25

CO VERTER CHARACTERISTICS