LTC2302/LTC2306

5

23026f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Maximum Sampling Frequency

l

500

kHz

Shift Clock Frequency

l

40

MHz

CONVST High Time

(Note 9)

l

20

ns

Hold Time SDI After SCK

↑

l

2.5

ns

Setup Time SDI Stable Before SCK

↑

l

0ns

SCK High Time

l

10

ns

SCK Low Time

l

10

ns

CONVST Low Time During Data Transfer

(Note 9)

l

410

ns

Hold Time CONVST Low After Last SCK

↓ (Note 9)

l

20

ns

Conversion Time

l

1.3

1.6

μs

Acquisition Time

7th SCK

↑ to CONVST↑ (Note 9)

l

240

ns

SDO Data Valid After SCK

↓

l

10.8

12.5

ns

SDO Hold Time SCK

↓

l

4ns

SDO Valid After CONVST

↓

l

11

15

ns

Bus Relinquish Time

l

11

15

ns

SDO Rise Time

4

ns

SDO Fall Time

4

ns

Total Cycle Time

2μs

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

wired together (unless otherwise noted).

they will be clamped by internal diodes. These products can handle input

otherwise specified.

Note 5: Linearity, offset and full-scale specifications apply for a single-

Note 6: Integral nonlinearity is defined as the deviation of a code from a

straight line passing through the actual endpoints of the transfer curve.

The deviation is measured from the center of the quantization band.

Note 7: Bipolar zero error is the offset voltage measured from –0.5LSB

when the output code flickers between 0000 0000 0000 and 1111 1111

1111. Unipolar zero error is the offset voltage measured from +0.5LSB

when the output code flickers between 0000 0000 0000 and 0000 0000

0001.

Note 8: Full-scale bipolar error is the worst-case of –FS or +FS untrimmed

deviation from ideal first and last code transitions and includes the effect

of offset error. Unipolar full-scale error is the deviation of the last code

transition from ideal and includes the effect of offset error.

Note 9: Guaranteed by design, not subject to test.

Note 10: All specifications in dB are referred to a full-scale ±2.048V input

with a 4.096V reference voltage.

Note 11: Full linear bandwidth is defined as the full-scale input frequency

at which the SINAD degrades to 60dB or 10 bits of accuracy.