dac121c081cimkx National Semiconductor Corporation, dac121c081cimkx Datasheet - Page 6

• Manufacturer Part Number: dac121c081cimkx
• Description: 12-bit Micro Power Digital-to-analog Converter With An I2c-compatible Interface
• Manufacturer: National Semiconductor Corporation

www.national.com
POWER REQUIREMENTS
Normal -- V
Continuous Operation -- 2-wire interface actively addressing the DAC and writing to the DAC register. (output unloaded)
Power Down -- 2-wire interface quiet (SCL = SDA = V
Symbol
I
I
I
I
I
I
CO_VREF
ST_VREF
CO_VA-1
CO_VA-5
ST_VA-1
ST_VA-5
P
P
P
I
V
PD
CO
PD
ST
A
OUT
Supply Voltage Minimum
Supply Voltage Maximum
V
V
V
(DAC121C085 only)
Power Consumption
(V
V
V
V
(DAC121C085 only)
Power Consumption
(V
Supply Current
(V
Power Consumption
(V
A
A
REF
A
A
REF
A
A
A
A
DAC121C081 Supply Current
DAC121C085 Supply Current
DAC121C081 Supply Current
DAC121C085 Supply Current
set to midscale. 2-wire interface quiet (SCL = SDA = V
& V
& V
& V
& V
Supply Current
Supply Current
REF
REF
REF
REF
for DAC121C085)
for DAC121C085)
for DAC121C085)
for DAC121C085)
Parameter
f
f
f
f
f
f
All Power Down
Modes
All Power Down
Modes
SCL
SCL
SCL
SCL
SCL
SCL
=400kHz
=3.4MHz
=400kHz
=3.4MHz
=400kHz
=3.4MHz
A
) after PD mode written to DAC register. (output unloaded)
Conditions
6
A
). (output unloaded)
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 3.0V
= 5.0V
= 3.0V
= 5.0V
= 3.0V
= 5.0V
= 3.0V
= 5.0V
(Note 9)
Typical
33.5
49.5
1.06
2.06
0.13
0.15
105
132
380
730
134
192
225
374
101
142
193
325
480
810
0.5
0.9
86
98
37
53
(Note 9)
Limits
71.4
1.52
3.25
156
214
118
152
220
300
320
500
155
220
235
410
2.7
5.5
43
61
55
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
(Limits)
V (max)
V (min)
Units
mW
mW
µW
µW
µW
µW
µW
µW