DAC1220
SBAS082G –FEBRUARY 1998–REVISED SEPTEMBER 2009...................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
All specifications at TMIN to TMAX, AVDD = DVDD = +5V, fXIN = 2.5MHz, VREF = +2.5V, and 16-bit mode, unless otherwise noted.
DAC1220E
PARAMETER
POWER-SUPPLY REQUIREMENTS, continued
Digital current
CONDITIONS
MIN
TYP
MAX
UNIT
20-bit mode
140
μA
Power dissipation
2.5
3.0
3.5
mW
mW
mW
20-bit mode
Sleep mode
0.45
TEMPERATURE RANGE
Specified performance
–40
+85
°C
DEVICE INFORMATION
DVDD
1
2
3
4
5
6
7
8
16 SCLK
15 SDIO
XOUT
XIN
14 CS
DGND
AVDD
DNC
DNC
DNC
13 AGND
12 VREF
11 VOUT
10 C2
DAC1220E
9
C1
PIN DESCRIPTIONS
PIN
1
NAME
DVDD
XOUT
XIN
DESCRIPTION
Digital supply, +5V nominal
2
System clock output (for crystal)
System clock input
3
4
DGND
AVDD
DNC
DNC
DNC
C1
Digital ground
5
Analog supply, +5V nominal
Do not connect
6
7
Do not connect
8
Do not connect
9
Filter capacitor (see text)
Filter capacitor (see text)
Analog output voltage
Reference input
10
11
12
13
14
15
16
C2
VOUT
VREF
AGND
CS
Analog ground
Chip-select input
SDIO
SCLK
Serial data input/output
Clock input for serial data transfer
4
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