參數(shù)資料
型號： TSC2003IZQCT
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PBGA48
封裝： PLASTIC, VFBGA-48
文件頁數(shù)： 21/25頁
文件大?。?/td> 535K
代理商： TSC2003IZQCT
TSC2003
5
SBAS162G
www.ti.com
TIMING CHARACTERISTICS
At TA = –40°C to +85°C, +VDD = +2.7V, unless otherwise noted. All values referred to VIHMIN and VILMAX levels.
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
SCL Clock Frequency
fSCL
Standard Mode
0
100
kHz
Fast Mode
0
400
kHz
High-Speed Mode, Cb = 100pF max
0
3.4
MHz
High-Speed Mode, Cb = 400pF max
0
1.7
MHz
Bus Free Time Between a STOP and
tBUF
Standard Mode
4.7
s
Start Condition
Fast Mode
1.3
s
Hold Time (Repeated) START
tHD; STA
Standard Mode
4.0
s
Condition
Fast Mode
600
ns
High-Speed Mode
160
ns
LOW Period of the SCL Clock
tLOW
Standard Mode
4.7
s
Fast Mode
1.3
s
High-Speed Mode, Cb = 100pF max
160
ns
High-Speed Mode, Cb = 400pF max
320
ns
HIGH Period of the SCL Clock
tHIGH
Standard Mode
4.0
s
Fast Mode
600
ns
High-Speed Mode, Cb = 100pF max
60
ns
High-Speed Mode, Cb = 400pF max
120
ns
Setup Time for a Repeated START
tSU; STA
Standard Mode
4.7
s
Condition
Fast Mode
600
ns
High-Speed Mode
160
ns
Data Setup Time
tSU; DAT
Standard Mode
250
ns
Fast Mode
100
ns
High-Speed Mode
10
ns
Data Hold Time
tHD; DAT
Standard Mode
0
3.45
s
Fast Mode
0
0.9
s
High-Speed Mode, Cb = 100pF max
0
70
ns
High-Speed Mode, Cb = 400pF max
0
150
ns
Rise Time of SCL Signal
trCL
Standard Mode
1000
ns
Fast Mode
20 + 0.1Cb
300
ns
High-Speed Mode, Cb = 100pF max
10
40
ns
High-Speed Mode, Cb = 400pF max
20
80
ns
Rise Time of SCL Signal After a
trCL1
Standard Mode
1000
ns
Repeated START Condition and
Fast Mode
20 + 0.1Cb
300
ns
After an Acknowledge Bit
High-Speed Mode, Cb = 100pF max
10
80
ns
High-Speed Mode, Cb = 400pF max
20
160
ns
Fall Time of SCL Signal
tfCL
Standard Mode
300
ns
Fast Mode
20 + 0.1Cb
300
ns
High-Speed Mode, Cb = 100pF max
10
40
ns
High-Speed Mode, Cb = 400pF max
20
80
ns
Rise Time of SDA Signal
trDA
Standard Mode
1000
ns
Fast Mode
20 + 0.1Cb
300
ns
High-Speed Mode, Cb = 100pF max
10
80
ns
High-Speed Mode, Cb = 400pF max
20
160
ns
Fall Time of SDA Signal
tfDA
Standard Mode
300
ns
Fast Mode
20 + 0.1Cb
300
ns
High-Speed Mode, Cb = 100pF max
10
80
ns
High-Speed Mode, Cb = 400pF max
20
160
ns
Setup Time for STOP Condition
tSU; STO
Standard Mode
4.0
s
Fast Mode
600
ns
High-Speed Mode
160
ns
Capacitive Load for SDA or SCL
Cb
Standard Mode
400
pF
Line
Fast Mode
400
pF
High-Speed Mode, SCL = 1.7MHz
400
pF
High-Speed Mode, SCL = 3.4MHz
100
pF
Pulse Width of Spike Suppressed
tSP
Fast Mode
0
50
ns
High-Speed Mode
0
10
ns
Noise Margin at the HIGH Level for
Standard Mode
Each Connected Device (Including
VnH
Fast Mode
0.2VDD
V
Hysteresis)
High-Speed Mode
Noise Margin at LOW Level for Each
VnL
Standard Mode
Connected Device (Including
Fast Mode
0.1VDD
V
Hysteresis)
High-Speed Mode
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