參數(shù)資料
型號： TLC2543C
廠商： Texas Instruments, Inc.
英文描述： 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
中文描述： 12位模擬數(shù)字轉(zhuǎn)換器與串行控制和11個模擬輸入
文件頁數(shù)： 6/27頁
文件大?。?/td> 431K
代理商： TLC2543C
TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079D – DECEMBER 1993 – REVISED MAY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics over recommended operating free-air temperature range,
V
CC
= V
ref+
= 4.5 V to 5.5 V, f
(I/O CLOCK)
= 4.1 MHz
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
±
1
±
1
UNIT
EL
ED
Linearity error (see Note 5)
See Figure 2
LSB
Differential linearity error
See Figure 2
LSB
EO
Offset error (see Note 6)
See Note 2 and
Figure 2
±
1.5
LSB
EG
Gain error (see Note 6)
See Note 2 and
Figure 2
±
1
LSB
ET
Total unadjusted error (see Note 7)
±
1.75
LSB
DATA INPUT = 1011
2048
Self-test output code (see Table 3 and Note 8)
DATA INPUT = 1100
0
DATA INPUT = 1101
4095
tconv
Conversion time
See Figures 9–14
8
10
μ
s
tc
Total cycle time (access, sample, and conversion)
See Figures 9–14
and Note 9
10 + total
I/O CLOCK
periods +
td(I/O-EOC)
μ
s
tacq
Channel acquisition time (sample)
See Figures 9–14
and Note 9
4
12
I/O
CLOCK
periods
tv
td(I/O-DATA)
td(I/O-EOC)
td(EOC-DATA)
tPZH, tPZL
tPHZ, tPLZ
tr(EOC)
tf(EOC)
tr(bus)
tf(bus)
Valid time, DATA OUT remains valid after I/O CLOCK
↓
Delay time, I/O CLOCK
↓
to DATA OUT valid
Delay time, last I/O CLOCK
↓
to EOC
↓
Delay time, EOC
↑
to DATA OUT (MSB/LSB)
Enable time, CS
↓
to DATA OUT (MSB/LSB driven)
Disable time, CS
↑
to DATA OUT (high impedance)
Rise time, EOC
See Figure 6
10
ns
See Figure 6
150
ns
μ
s
ns
μ
s
ns
See Figure 7
1.5
2.2
See Figure 8
100
See Figure 3
0.7
1.3
See Figure 3
70
150
See Figure 8
15
50
ns
Fall time, EOC
See Figure 7
15
50
ns
Rise time, data bus
See Figure 6
15
50
ns
Fall time, data bus
Delay time, last I/O CLOCK
↓
to CS
↓
to abort conversion
(see Note 10)
All typical values are at TA = 25
°
C.
NOTES:
2. Analog input voltages greater than that applied to REF+ convert as all ones (111111111111), while input voltages less than that
applied to REF– convert as all zeros (000000000000).
5. Linearity error is the maximum deviation from the best straight line through the A/D transfer characteristics.
6. Gain error is the difference between the actual midstep value and the nominal midstep value in the transfer diagram at the specified
gain point after the offset error has been adjusted to zero. Offset error is the difference between the actual midstep value and the
nominal midstep value at the offset point.
7. Total unadjusted error comprises linearity, zero-scale, and full-scale errors.
8. Both the input address and the output codes are expressed in positive logic.
9. I/O CLOCK period = 1/(I/O CLOCK frequency) (see Figure 7).
10. Any transitions of CS are recognized as valid only when the level is maintained for a setup time. CS must be taken low at
≤
5
μ
s
of the tenth I/O CLOCK falling edge to ensure a conversion is aborted. Between 5
μ
s and 10
μ
s, the result is uncertain as to whether
the conversion is aborted or the conversion results are valid.
See Figure 6
15
50
ns
td(I/O-CS)
5
μ
s
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TLC2543CDB 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC
TLC2543CDBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC2543CDBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC2543CDBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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