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DAC082S085 数据表(PDF) 8 Page - Texas Instruments

部件名 DAC082S085
功能描述  DAC082S085 8-Bit Micro Power DUAL Digital-to-Analog Converter With Rail-to-Rail Output
Download  31 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

DAC082S085 数据表(HTML) 8 Page - Texas Instruments

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DB15
DB0
SCLK
DIN
SYNC
tSYNC
tDS
tDH
tCL
tCH
1 / fSCLK
tCFSR
1
2
13
14
15
16
tSS
8
DAC082S085
SNAS365G – MAY 2006 – REVISED JUNE 2016
www.ti.com
Product Folder Links: DAC082S085
Submit Documentation Feedback
Copyright © 2006–2016, Texas Instruments Incorporated
(1)
Typical figures are at TJ = 25°C, and represent most likely parametric norms. Test limits are specified to AOQL (Average Outgoing
Quality Level).
(2)
This parameter is specified by design or characterization and is not tested in production.
7.6 Timing Requirements
The following specifications apply for VA = +2.7V to +5.5V, VREFIN = VA, CL = 200 pF to GND, fSCLK = 30 MHz, input code
range 3 to 252. All other limits are at TA = 25°C, unless otherwise specified.
(1)
MIN
TYP
MAX
UNIT
fSCLK
SCLK frequency
TA = 25°C
40
MHz
TMIN ≤ TA ≤ TMAX
30
ts
Output voltage settling time(2)
40h to C0h code change
RL = 2 kΩ, CL = 200 pF
TA = 25°C
3
µs
TMIN ≤ TA ≤ TMAX
4.5
SR
Output slew rate
1
V/µs
Glitch Impulse
Code change from 80h to 7Fh
12
nV-sec
Digital feedthrough
0.5
nV-sec
Digital crosstalk
1
nV-sec
DAC-to-DAC crosstalk
3
nV-sec
Multiplying bandwidth
VREFIN = 2.5 V ± 0.1 Vpp
160
kHz
Total harmonic distortion
VREFIN = 2.5 V ± 1 Vpp
input frequency = 10 kHz
70
dB
tWU
Wake-up time
VA = 3 V
6
µs
VA = 5 V
39
1/fSCLK
SCLK cycle time
TA = 25°C
25
ns
TMIN ≤ TA ≤ TMAX
33
tCH
SCLK high time
TA = 25°C
7
ns
TMIN ≤ TA ≤ TMAX
10
tCL
SCLK low time
TA = 25°C
7
ns
TMIN ≤ TA ≤ TMAX
10
tSS
SYNC setup time prior to
SCLK falling edge
TA = 25°C
4
ns
TMIN ≤ TA ≤ TMAX
10
tDS
Data setup time prior to SCLK
falling edge
TA = 25°C
1.5
ns
TMIN ≤ TA ≤ TMAX
3.5
tDH
Data hold time after SCLK
falling edge
TA = 25°C
1.5
ns
TMIN ≤ TA ≤ TMAX
3.5
tCFSR
SCLK fall prior to rise of
SYNC
TA = 25°C
0
ns
TMIN ≤ TA ≤ TMAX
3
tSYNC
SYNC high time
TA = 25°C
6
ns
TMIN ≤ TA ≤ TMAX
10
Figure 1. Serial Timing Diagram


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