參數(shù)資料
型號(hào)： DAC8571IDGKR
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 13 us SETTLING TIME, 16-BIT DAC, PDSO8
封裝： GREEN, PLASTIC, MSOP-8
文件頁(yè)數(shù)： 25/30頁(yè)
文件大?。?/td> 825K
代理商： DAC8571IDGKR
www.ti.com
TIMING CHARACTERISTICS
DAC8571
SLAS373A – DECEMBER 2002 – REVISED JULY 2003
ELECTRICAL CHARACTERISTICS (continued)
V
DD = +2.7 V to +5.5 V; RL = 2 k to GND; CL = 200 pF to GND; low power mode; all specifications -40°C to 105°C (unless
otherwise noted)
DAC8571
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD = +4.5 V to +5.5 V
VIH = VDD, VIL = GND, fast settling
250
400
A
VIH = VDD, VIL = GND, low power
160
225
VDD = +2.7 V to +3.6 V
VIH = VDD, VIL = GND, fast settling
240
380
A
VIH = VDD, VIL = GND, low power
140
200
IDD (all power-down modes)
DAC active, Iref included
VDD = +4.5 V to +5.5 V
VIH = VDD and VIL = GND
0.2
1
A
VDD = +2.7 V to +3.6 V
VIH = VDD and VIL = GND
0.05
1
A
POWER EFFICIENCY
IOUT/IDD
IL = 2 mA, VDD = +5 V
93%
V
DD = +2.7 V to +5.5 V; RL = 2 k to GND; all specifications -40°C to 105°C (unless otherwise noted)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Standard mode
100
kHz
Fast mode
400
kHz
tSCL
SCL clock frequency
High-speed mode, CB - 100pF max
3.4
MHz
High-speed mode, CB - 400pF max
1.7
MHz
Standard mode
4.7
s
Bus free time between a STOP and
tBUF
START condition
Fast mode
1.3
s
Standard mode
4.0
\s
Hold time (repeated) START con-
tHO; tSTA
Fast mode
600
ns
dition
High-speed mode
160
ns
Standard mode
4.7
s
tLOW
LOW period of the SCL clock
Fast mode
1.3
s
Standard mode
4.0
s
Fast mode
600
ns
tHIGH
HIGH period of the SCL clock
High-speed mode, CB - 100pF max
60
ns
High-speed mode, CB - 400pF max
120
ns
Standard mode
4.7
s
Setup time for a repeated START
tSU; tSTA
Fast mode
600
ns
condition
High-speed mode
160
ns
Standard mode
250
ns
tSU; tDAT
Data setup time
Fast mode
100
ns
High-speed mode
10
ns
Standard mode
0
0.9
s
Fast mode
0
0.9
s
tHD; tDAT
Data hold time
High-speed mode, CB - 100pF max
0
70
ns
High-speed mode, CB - 400pF max
0
150
ns
Standard mode
20 + 0.1CB
1000
ns
Fast mode
20 + 0.1CB
300
ns
tRCL
Rise time of SCL signal
High-speed mode, CB - 100pF max
10
40
ns
High-speed mode, CB - 400pF max
20
80
ns
4
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