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DAC1280 数据表(PDF) 4 Page - Texas Instruments

部件名 DAC1280
功能描述  Low Distortion Digital-to-Analog Converter for Seismic Monitoring
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

DAC1280 数据表(HTML) 4 Page - Texas Instruments

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I
, |
= 0.94
AVDD
(1 + 22
Gain)
I
|
AVSS
·
·
V
R
REF
REF
DAC1280
SBAS432A – APRIL 2010 – REVISED SEPTEMBER 2010
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Minimum/maximum specifications at –40°C to +85°C, typical specifications at +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD =
3.3V, CLK = 4.096MHz, VREF = 5V, and RREF = 30kΩ, unless otherwise noted. Refer to circuit configuration shown in
Figure 35.
DAC1280
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE RESISTOR (RREF)
Reference resistor
28
30
60
k
Ω
DIGITAL INPUTS (DVDD = 1.65V to 3.6V)
VIH
0.8 × DVDD
DVDD
V
VIL
DGND
0.2 × DVDD
V
Input hysteresis
0.5
V
Input leakage
0 < VIN < DVDD
–10
10
mA
CLOCK INPUT (fCLK)
Frequency
1
4.096
MHz
TDATA INPUT
Frequency
fCLK/16
MHz
1s density modulation
25
75
%
POWER SUPPLY
AVSS
–2.6
0
V
AVDD
AVSS + 4.75
AVSS + 5.25
V
DVDD
1.65
3.6
V
Gain = 1/1
3.6
3.7
| mA |
AVDD, AVSS current(8)
Power-down
1
10
| mA |
Operating
60
150
mA
DVDD current
Power-down(9)
1
10
mA
Gain = 1/1
18
mW
Power dissipation
Power-down
8
mW
TEMPERATURE RANGE
Specified temperature range
–40
+85
°C
Operating temperature range
–40
+125
°C
Storage temperature range
–40
+150
°C
(8)
Typical analog supply current depends on gain, VREF, and RREF:
(9)
CLK and TDATA stopped. Digital inputs maintained at VIH or VIL levels.
4
Submit Documentation Feedback
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): DAC1280


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