參數(shù)資料
型號: TLV1548(中文)
廠商: Texas Instruments, Inc.
英文描述: Low-Voltage 10-Bit ADC With Serial Control And 8 Analog Inputs(具串行控制和8通道模擬輸入,低壓10位ADC)
中文描述: 低電壓10位ADC,串行控制和8個模擬輸入(具串行控制和8通道模擬輸入,低壓10位ADC)的
文件頁數(shù): 12/24頁
文件大小: 938K
代理商: TLV1548(中文)
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-0.5V
á
6.5V
-0.3V
á
V
CC
+0.3V
-0.3V
á
V
CC
+0.3V
V
CC
+0.1
-0.1V
à
20mA
-30mA
0
á
70
–40
á
85
260
3. 2 íμ1¤×÷ìt
MIN
2.7
NOM
MAX
5.5
UNIT
V
Supply voltage, VCC
Positive reference voltage, Vref+ (see Note 2)
Negative reference voltage, Vref (see Note 2)
Differential reference voltage, Vref+ Vref (see Note 2)
Analog input voltage, VI (analog) (see Note 2)
High-level control input voltage, VIH
Low-level control input voltage, VIL
Setup time, input data bits valid before I/O CLK
Hold time, input data bits valid after I/O CLK
VCC
V
V
0
2.5
VCC
VCC +0.2
VCC
V
0
V
2.1
V
0.6
V
, tsu(A) (see Figure 9)
, th(A) (see Figure 9)
100
ns
ns
5
30
Setup time, CS to I/O CLK , tsu(CS)
Hold time, I/O CLK to CS , th(CS)
See Figure 10
5
30
ns
See Figure 10
65
ns
Pulse duration, FS high, twH(FS)
See Figure 13
1
I/O
CLK
periods
Pulse duration, CSTART, tw(CSTART)
Source impedance 1 k
,
VCC = 5.5 V,
See Figure 14
0.84
μ
s
Setup time, CS to CSTART , tsu(CSTART)
See Figure 14
VCC = 5.5 V
VCC = 2.7 V
VCC = 5.5 V
VCC = 2.7 V
VCC = 5.5 V
VCC = 2.7 V
10
0.1
ns
Clock frequency at I/O CLK fCLK
6
8
MHz
,
0.1
28
1
2.2
Pulse duration I/O CLK high twH(I/O)
,
ns
,
102
28
Pulse duration,
ns
,
102
Transition time, I/O CLK, tt(I/O) (see Figure 11 and Note 4)
Transition time, DATA IN, tt(DATA IN) (see Figure 9)
Transition time, CS, tt(CS) (see Figure 10)
Transition time, FS, tt(FS) (see Figure 13)
Transition time, CSTART,
tt(CSTART) (see Figure 14)
1
μ
s
μ
s
μ
s
μ
s
μ
s
10
10
10
,
10
70
Operating free-air temperature TA
TLV1544C, TLV1548C
0
C
TLC1544I, TLV1548I
40
85
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