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LTC1662

TYPICAL PERFOR A CE CHARACTERISTICS

CODE

256

512

768

1023

1662 G05

–1

–2

–3

–4

CODE

256

512

768

1023

1662 G06

0.60

0.40

0.20

–0.20

–0.40

–0.60

0.75

–0.75

Integral Nonlinearity (INL)

Differential Nonlinearity (DNL)

Note 1: Absolute maximum ratings are those values beyond which the life

of a device may be impaired.

Note 2: Nonlinearity and monotonicity are defined and tested at VCC = 5V,

VREF = 4.096V, from code 20 to code 1023. See Figure 2.

Note 3: Digital inputs at 0V or VCC.

Note 4: Load is 10k

Ω in parallel with 100pF.

Note 5: VCC = VREF = 5V. DAC switched between 0.1VFS and 0.9VFS; i.e.,

codes k = 102 and k = 922.

Note 6: Guaranteed by design, not subject to test.

Note 7: One DAC output loaded.

TI I G CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature

range, otherwise specifications are at TA = 25°C.

CS/LD Pulse Width

(Note 6)

150

LSB SCK High to CS/LD High

(Note 6)

CS/LD Low to SCK High

(Note 6)

– 14

SCK Low to CS/LD Low

(Note 6)

0– 5

t11

CS/LD High to SCK Positive Edge

(Note 6)

SCK Frequency

Square Wave (Note 6)

MHz

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

TEMPERATURE (

°C)

–55 –35 –15

85 105 125

1662 G01

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

VREF = VCC

CODE = 1023

5.5V

4.5V

3.6V

VCC = 2.7V

TEMPERATURE (

°C)

–55 –35 –15

85 105 125

1662 G02

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

VREF = VCC

CODE = 1023

5.5V

VCC = 2.7V

4.5V

3.6V

FREQUENCY (Hz)

100

10k

100k

10M 100M

1662 G03

1000

VCC = 5V

VCC = 3V

CS/LD = LOGIC LOW

CODE = 0

LOGIC INPUT VOLTAGE (V)

1.5

2.5

3.5

4.5

1662 G04

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

VCC = 5V

ALL DIGITAL INPUTS

SHORTED TOGETHER

Supply Current vs Temperature

Total Supply-Plus-Reference

Operating Current

Supply Current vs Clock

Frequency

Supply Current vs Logic Input

Voltage

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