DAC7654

SBAS263 − NOVEMBER 2003

www.ti.com

10

All specifications at TA = 25°C, IOVDD = VDD = VCC = +5V, VSS = 0V, representative unit, unless otherwise noted.

Figure 13

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

−40

−15

10

35

60

85

Temperature (

_C)

SUPPLY CURRENT vs TEMPERATURE

All DACs at Midscale

No Load

I

CC

Figure 14

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

Digital Input Code

0000h

2000h 4000h

6000h

8000h

A000h C000h

E000h FFFFh

SUPPLY CURRENT vs DIGITAL INPUT CODE

All DACs

No Load

I

CC

Figure 15

10

8

6

4

2

0

−2

−4

−6

−8

−10

−40

−15

10

35

60

85

Temperature (

_C)

ZERO−SCALE ERROR vs TEMPERATURE

DAC A

DAC C

DAC B

DAC D

(Code 0000h)

Figure 16

10

8

6

4

2

0

−2

−4

−6

−8

−10

−40

−15

10

35

60

85

Temperature (

_C)

POSITIVE FULL−SCALE ERROR vs TEMPERATURE

DAC C

DAC B

DAC D

DAC A

(Code FFFFh)

Time (10ms/div)

BROADBAND NOISE

(Code = 8000h, BW = 10kHz)

Figure 17

Figure 18

1000

100

10

10

100

1k

10k

100k

1M

Frequency (Hz)

OUTPUT NOISE VOLTAGE vs FREQUENCY