4

LTC7543/LTC8143

temperature range.

Note 1:

±0.5LSB = ±0.012% of full scale.

Note 2: Using internal feedback resistor.

Note 3: Guaranteed by design, not subject to test.

register loaded with all 1s.

Note 5: Typical temperature coefficient is 100ppm/

°C.

Note 6: OUT 1 load = 100

Ω in parallel with 13pF.

Note 7: To 0.01% for a full-scale change, measured from falling edge of

LD1 or LD2.

from all 1s to all 0s.

(J/K

°); R = resistance (Ω); T = resistor temperature (°K); B = bandwidth

(Hz).

Note 11: Minimum high time for STB1, STB2, STB4. Minimum low time

for STB3.

Note 12. Minimum low time for STB1, STB2, STB4. Minimum high time

for STB3.

LTC7543/LTC8143

ALL GRADES

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Timing Characteristics (Note 3)

Serial Input to Strobe Setup Time

STB1 Used as the Strobe

q

50

5

ns

STB2 Used as the Strobe

q

20

– 5

ns

STB3 Used as the Strobe

q

0– 30

ns

STB4 Used as the Strobe

q

0– 30

ns

Serial Input to Strobe Hold Time

STB1 Used as the Strobe

q

30

10

ns

STB2 Used as the Strobe

q

50

25

ns

STB3 Used as the Strobe

q

80

55

ns

STB4 Used as the Strobe

q

80

55

ns

Serial Input Data Pulse Width

q

80

ns

(Note 11)

q

80

ns

(Note 12)

q

80

ns

Load Pulse Width

q

140

ns

LSB Strobed into Input Register

q

0ns

to Load DAC Register Time

Clear Pulse Width

q

80

ns

SRO Timing Characteristics (LTC8143 Only)

STB2, STB3, STB4 Strobe to SRO

q

220

120

ns

Propagation Delay

STB1 to SRO Propagation Delay

q

150

80

ns

Power Supply

Supply Voltage

q

4.75

5

5.25

V

Supply Current

q

0.1

mA

q

2mA