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參數(shù)資料
| 型號(hào)： | ADC12132CIMSA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | Switch-mode Lead-Acid Battery Charger with User-Selectable Charge Algorithms 16-SOIC -20 to 70 |
| 中文描述： | 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | SSOP-20 |
| 文件頁(yè)數(shù)： | 9/41頁(yè) |
| 文件大小： | 1085K |
| 代理商： | ADC12132CIMSA |
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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
www.national.com
9
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| ADC12132CIMSA | 制造商:Texas Instruments 功能描述:IC 12BIT ADC SMD 12132 SSOP20 |
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| ADC12138 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| ADC12138CIMSA | 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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