參數(shù)資料
型號： ADC12138
廠商： National Semiconductor Corporation
元件分類： 串行ADC
英文描述： Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
中文描述： 自校準12位帶符號串行I /辦公自動化/ D轉(zhuǎn)換器MUX和采樣/保持
文件頁數(shù)： 9/41頁
文件大?。?/td> 1085K
代理商： ADC12138
AC Electrical Characteristics
(Continued)
The following specifications apply for (V
+
= V
+ = V
+ = +5V, V
+ = +4.096V, and fully-differential input with fixed 2.048V
common-mode voltage) or (V
+
= V
+ = V
+ = +3.3V, V
+ = +2.5V and fully-differential input with fixed 1.250V
common-mode voltage), V
= 0V, 12-bit + sign conversion mode, source impedance for analog inputs, V
and V
REF
+
≤
25
, f
CK
= f
SK
= 5 MHz, and 10 (t
CK
) acquisition time unless otherwise specified.
Boldface limits apply for T
A
= T
J
=
T
MIN
to T
MAX
;
A
= T
J
= 25C. (Note 17)
Symbol
Parameter
Conditions
Typical
(Note
10)
6(t
CK
)
Limits
(Note
11)
6(t
CK
)
7(t
CK
)
1.2
1.4
10(t
CK
)
11(t
CK
)
2.0
2.2
18(t
CK
)
19(t
CK
)
3.6
3.8
34(t
CK
)
35(t
CK
)
6.8
7.0
4944(t
CK
)
988.8
76(t
CK
)
15.2
2(t
CK
)
3(t
CK
)
0.40
0.60
9(t
SK
)
Units
(Limits)
t
A
Acquisition Time
(Note 19)
6 Cycles Programmed
(min)
(max)
μs (min)
μs (max)
(min)
(max)
μs (min)
μs (max)
(min)
(max)
μs (min)
μs (max)
(min)
(max)
μs (min)
μs (max)
(max)
μs (max)
(max)
μs (max)
(min)
(max)
μs (min)
μs (max)
(max)
10 Cycles Programmed
10(t
CK
)
18 Cycles Programmed
18(t
CK
)
34 Cycles Programmed
34(t
CK
)
t
CAL
Self-Calibration Time
4944(t
CK
)
t
AZ
Auto-Zero Time
76(t
CK
)
t
SYNC
Self-Calibration or
Auto-Zero Synchronization
Time from DOR
2(t
CK
)
t
DOR
DOR High Time when CS is Low
Continuously for Read Data and Software
Power Up/Down
CONV Valid Data Time
9(t
SK
)
1.8
μs (max)
t
CONV
8(t
SK
)
8(t
SK
)
1.6
(max)
μs (max)
AC Electrical Characteristics
The following specifications apply for (V
+
= V
+ = V
+ = +5V, V
+ = +4.096V, and fully-differential input with fixed 2.048V
common-mode voltage) or (V
+
= V
+ = V
+ = +3.3V, V
+ = +2.5V and fully-differential input with fixed 1.250V
common-mode voltage), V
= 0V, 12-bit + sign conversion mode, source impedance for analog inputs, V
and V
REF
+
≤
25
, f
CK
= f
SK
= 5 MHz, and 10 (t
CK
) acquisition time unless otherwise specified.
Boldface limits apply for T
A
= T
J
=
T
MIN
to T
MAX
;
A
= T
J
= 25C. (Note 17) (Continued)
Symbol
Parameter
Conditions
Typical
(Note 10)
500
Limits
(Note 11)
700
Units
(Limits)
μs (max)
t
HPU
Hardware Power-Up Time, Time from
PD Falling Edge to EOC Rising Edge
Software Power-Up Time, Time from
Serial Data Clock Falling Edge to
EOC Rising Edge
Access Time Delay from
CS Falling Edge to DO Data Valid
t
SPU
500
700
μs (max)
t
ACC
25
60
ns (max)
A
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相關(guān)PDF資料
PDF描述
ADC12130CIN Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
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ADC12138CIMSA Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
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參數(shù)描述
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ADC12138CIMSA/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC SELF-CALIBR 12B PLUS SIGN SERIAL I/O ADC 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
ADC12138CIMSANOPB 制造商:TI 功能描述:Pb Free
ADC12138CIMSAX 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
ADC12138CIMSAX/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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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