參數(shù)資料
型號： ADC12138CIMSA
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 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： 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28
封裝： SSOP-28
文件頁數(shù)： 7/41頁
文件大?。?/td> 1085K
代理商： ADC12138CIMSA
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. (Notes 7, 8, 9)
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
Units
(Limits)
REFERENCE INPUT, ANALOG INPUTS AND MULTIPLEXER CHARACTERISTICS
On Channel Leakage (Note 16)
CH0–CH7 and COM Pins
On Channel = 5V and
Off Channel = 0V
On Channel = 0V and
Off Channel = 5V
V
MUXOUT
= 5.0V or
V
MUXOUT
= 0V
V
IN
= 2.5V and
V
MUXOUT
= 2.4V
V
IN
= 2.5V and
V
MUXOUT
= 2.4V
V
IN
= 5 V
PP
, f
IN
= 40 kHz
0.01
μA
0.01
μA
MUXOUT1 and MUXOUT2
Leakage Current
MUX On Resistance
0.01
μA
R
ON
850
1900
(max)
R
ON
Matching Channel to Channel
5
%
Channel to Channel Crosstalk
MUX Bandwidth
72
90
dB
kHz
DC and Logic 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. (Notes 7, 8, 9)
Symbol
Parameter
Conditions
Typical
(Note
10)
V
+
= V
A
+ =
V
D
+ = 3.3V
Limits
(Note 11)
V
+
= V
A
+ =
V
D
+ = 5V
Limits
(Note 11)
Units
(Limits)
CCLK, CS, CONV, DI, PD AND SCLK INPUT CHARACTERISTICS
V
IN(1)
Logical “1” Input
Voltage
V
IN(0)
Logical “0” Input
Voltage
I
IN(1)
Logical “1” Input
Current
I
IN(0)
Logical “0” Input
Current
DO, EOC AND DOR DIGITAL OUTPUT CHARACTERISTICS
V
OUT(1)
Logical “1”
V
A
+ = V
D
+ = V
+
10%,
Output Voltage
I
OUT
= 360 μA
V
A
+ = V
D
+ = V
+
10%,
I
OUT
= 10 μA
V
OUT(0)
Logical “0”
V
A
+ = V
D
+ = V
+
10%
Output Voltage
I
OUT
= 1.6 mA
I
OUT
TRI-STATE
V
OUT
= 0V
Output Current
V
OUT
= V
+
+I
SC
Output Short
Circuit Source
Current
V
A
+ = V
D
+ = V
+
+10%
2.0
2.0
V (min)
V
A
+ = V
D
+ = V
+
10%
0.8
0.8
V (max)
V
IN
= V
+
0.005
1.0
1.0
μA (max)
V
IN
= 0V
0.005
1.0
1.0
μA (min)
2.4
2.9
2.4
4.25
V (min)
V (min)
0.4
3.0
3.0
0.4
3.0
3.0
V (max)
μA (max)
0.1
0.1
14
V
OUT
= 0V
mA
A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
ADC12138CIN 制造商:Texas Instruments 功能描述:IC 12BIT ADC 12138 DIP28
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