DAC161P997

SNAS515G – JULY 2011 – REVISED DECEMBER 2014

www.ti.com

Electrical Characteristics (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

GE

Gain Error

−0.22%

0.22%

FS

-40 to 105°C

Gain Error Temp. Coefficient

5

29 ppmFS/°C

DACCODE = 0x2AAA

4 mA Loop Current Error

−18

18

-40 to 105°C

DACCODE = 0xD555

20 mA Loop Current Error

−55

55

-40 to 105°C

µA

ERR_LOW = default

IERRL

LOW ERROR Current

3361

3375

3391

-40 to 105°C

ERR_HIGH = default

IERRH

HIGH ERROR Current

21702

21750

21817

-40 to 105°C

Long Term Drift — mean shift of

LTD

12 mA output current after 1000

90

ppmFS

hrs at 150°C

LOOP CURRENT OUTPUT (OUT)

Minimum tested at DACCODE =

Output Current

0.18

24

mA

-40 to 105°C

Output Impedance

100

M

Ω

COMA to OUT voltage drop

960

mV

BASE OUTPUT

BASE short circuit output current

BASE forced to COMA potential

10

mA

DYNAMIC CHARACTERISTICS

Output Noise Density

1 kHz

20

nA/

√Hz

Integrated Output Noise

1 Hz to 1 kHz band

300

SWIF I/O CHARACTERISTICS

VIH

DIN

-40 to 105°C

0.7* VD

V

VIL

DIN

-40 to 105°C

0.3*VD

CDIN

DIN input capacitance

10

pF

I = 3 mA

VOH

DBACK

2216

-40 to 105°C

I = 5 mA

1783

-40 to 105°C

mV

I = 3 mA

VOL

DBACK

547

-40 to 105°C

I = 5 mA

1260

-40 to 105°C

TD

DIN to DBACK delay

8

ns

OPEN DRAIN OUTPUTS

I = 3 mA

550

-40 to 105°C

VOL

ACKB

mV

I = 5 mA

1370

-40 to 105°C

I = 300 µA

66

-40 to 105°C

VOL

ERRB

mV

I = 3 mA

602

-40 to 105°C

(5)

Here Gain Error is the difference in slope of the straight line defined by measured 4-mA and 20-mA points of transfer characteristic, and

that of the ideal characteristic.

(6)

This should be treated as the minimum LOOP current ensured specification.

6

Submit Documentation Feedback

Copyright © 2011–2014, Texas Instruments Incorporated

Product Folder Links: DAC161P997