beautypg.com

Electrical characteristics—max5173 (continued) – Rainbow Electronics MAX5173 User Manual

Page 5

background image

MAX5171/MAX5173

Low-Power, Serial, 14-Bit DACs

with Force/Sense Voltage Output

_______________________________________________________________________________________

5

Note 1:

INL guaranteed between codes 64 and 16383.

Note 2:

Offset is measured at the code that comes closest to 10mV.

Note 3:

Accuracy is better than 1.0 LSB for V

OUT

= 10mV to V

DD

- 180mV. Guaranteed by PSR test on end points.

Note 4:

R

L

= open and digital inputs are either V

DD

or DGND.

Note 5:

INL guaranteed between codes 128 and 16383.

ELECTRICAL CHARACTERISTICS—MAX5173 (continued)

(V

DD

= +2.7V to +3.6V, V

REF

= 1.25V, AGND = DGND, FB = OUT, R

L

= 5k

, C

L

= 100pF referenced to ground, T

A

= T

MIN

to T

MAX

,

unless otherwise noted. Typical values are at T

A

= +25°C).

µA

1

10

Shutdown Current (Note 4)

ns

150

t

CP

SCLK Clock Period

ns

75

t

CH

SCLK Pulse Width High

ns

75

CONDITIONS

t

CL

SCLK Pulse Width Low

ns

60

t

CSS

CS Fall to SCLK Rise Setup
Time

ns

0

t

CSS

SCLK Rise to CS Rise Hold
Time

ns

60

t

DS

SDI Setup Time

ns

0

t

DH

SDI Hold Time

C

LOAD

= 200pF

ns

200

t

DO1

SCLK Rise to DOUT Valid
Propagation Delay

ns

75

t

CS1

CS Rise to SCLK Rise Hold Time

C

LOAD

= 200pF

ns

200

t

DO2

SCLK Fall to DOUT Valid
Propagation Delay

To ±0.5LSB, from 10mV to full-scale

µs

12

Output Settling Time

ns

10

t

CS0

SCLK Rise to CS Fall Delay

ns

150

t

CSW

CS Pulse Width High

V/µs

0.6

SR

Voltage Output Slew Rate

V

0 V

DD

Output Voltage Swing (Note 3)

µA

-0.1

0

0.1

Current into FB

µs

40

Time Required to Exit Shutdown

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

CS = V

DD

, DIN = 50kHz; f

SCLK

= 100kHz,

V

SCLK

= 3Vp-p

nV-s

1

Digital Feedthrough

V

2.7

3.6

V

DD

Positive Supply Voltage

mA

0.26

0.35

I

DD

Power-Supply Current (Note 4)

DYNAMIC PERFORMANCE

POWER SUPPLIES

TIMING CHARACTERISTICS