LTC1605ACSW datasheet(4/16 Pages) LINER

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LTC1605

DIGITAL INPUTS AND DIGITAL OUTPUTS (Note 5)

LTC1605/LTC1605A

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IOZ

Hi-Z Output Leakage D15 to D0

VOUT = 0V to VDD, CS High

±10

µA

COZ

Hi-Z Output Capacitance D15 to D0

CS High (Note 9)

ISOURCE

Output Source Current

VOUT = 0V

–10

ISINK

Output Sink Current

VOUT = VDD

(Note 5)

LTC1605/LTC1605A

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

fSAMPLE(MAX)

Maximum Sampling Frequency

100

kHz

tCONV

Conversion Time

µs

tACQ

Acquisition Time

µs

Convert Pulse Width

(Note 11)

Data Valid Delay After R/C

↓

(Note 9)

µs

BUSY Delay from R/C

↓

CL = 50pF

BUSY Low

µs

BUSY Delay After End of Conversion

220

Aperture Delay

Bus Relinquish Time

BUSY Delay After Data Valid

200

Previous Data Valid After R/C

↓

7.4

µs

t10

R/C to CS Setup Time

(Notes 9, 10)

t11

Time Between Conversions

µs

t12

Bus Access and Byte Delay

(Notes 9, 10)

TIMING CHARACTERISTICS

POWER REQUIREMENTS (Note 5)

LTC1605/LTC1605A

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VDD

Positive Supply Voltage

(Notes 9, 10)

4.75

5.25

IDD

Positive Supply Current

PDIS

Power Dissipation

The q indicates specifications which apply over the full operating

temperature range; all other limits and typicals TA = 25°C.

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: All voltage values are with respect to ground with DGND, AGND1

and AGND2 wired together (unless otherwise noted).

Note 3: When these pin voltages are taken below ground or above VANA =

VDIG = VDD, they will be clamped by internal diodes. This product can

handle input currents of greater than 100mA below ground or above VDD

without latch-up.

Note 4: When these pin voltages are taken below ground, they will be

clamped by internal diodes. This product can handle input currents of

90mA below ground without latchup. These pins are not clamped to VDD.

Note 5: VDD = 5V, fSAMPLE = 100kHz, tr = tf = 5ns unless otherwise

specified.

Note 6: Linearity, offset and full-scale specifications apply for a VIN input

with respect to ground.

Note 7: Integral nonlinearity is defined as the deviation of a code from a

straight line passing through the actual end points of the transfer curve.

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

Note 8: Bipolar offset is the offset voltage measured from – 0.5 LSB when

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

1111 1111.

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

Note 10: Recommended operating conditions.

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