Datasheet

1
2
3
4
5
6
7
8
DV
DD
X
OUT
X
IN
DGND
AV
DD
DNC
DNC
DNC
SCLK
SDIO
CS
AGND
V
REF
V
OUT
C
2
C
1
16
15
14
13
12
11
10
9
DAC1220E
DAC1220
SBAS082G –FEBRUARY 1998–REVISED SEPTEMBER 2009...................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
MIN
to T
MAX
, AV
DD
= DV
DD
= +5V, f
XIN
= 2.5MHz, V
REF
= +2.5V, and 16-bit mode, unless otherwise noted.
DAC1220E
PARAMETER CONDITIONS MIN TYP MAX UNIT
POWER-SUPPLY REQUIREMENTS, continued
Digital current 20-bit mode 140 μA
Power dissipation 2.5 3.5 mW
20-bit mode 3.0 mW
Sleep mode 0.45 mW
TEMPERATURE RANGE
Specified performance –40 +85 °C
DEVICE INFORMATION
PIN DESCRIPTIONS
PIN NAME DESCRIPTION
1 DV
DD
Digital supply, +5V nominal
2 X
OUT
System clock output (for crystal)
3 X
IN
System clock input
4 DGND Digital ground
5 AV
DD
Analog supply, +5V nominal
6 DNC Do not connect
7 DNC Do not connect
8 DNC Do not connect
9 C
1
Filter capacitor (see text)
10 C
2
Filter capacitor (see text)
11 V
OUT
Analog output voltage
12 V
REF
Reference input
13 AGND Analog ground
14 CS Chip-select input
15 SDIO Serial data input/output
16 SCLK Clock input for serial data transfer
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