參數(shù)資料
型號： ADC128S022
廠商： National Semiconductor Corporation
英文描述： 8-Channel, 50 kSPS to 200 kSPS, 12-Bit A/D Converter
中文描述： 8通道，50 kSPS的200 kSPS的，12位A / D轉(zhuǎn)換器
文件頁數(shù)： 5/18頁
文件大?。?/td> 848K
代理商： ADC128S022
ADC128S022 Converter Electrical Characteristics
(Note 8) (Continued)
The following specifications apply for AGND = DGND = 0V, f
SCLK
= 0.8 MHz to 3.2 MHz, f
= 50 kSPS to 200 kSPS, C
L
= 50pF, unless otherwise noted.
Boldface limits apply for T
A
MIN
to T
MAX
: all other limits T
A
= 25C.
Symbol
Parameter
Conditions
Typical
Limits
(Note 7)
Units
ANALOG INPUT CHARACTERISTICS
DIGITAL OUTPUT CHARACTERISTICS
V
OH
Output High Voltage
I
SOURCE
= 200 μA,
V
A
= V
D
= +2.7V to +5.25V
I
SINK
= 200 μA to 1.0 mA,
V
A
= V
D
= +2.7V to +5.25V
V
D
0.5
V (min)
V
OL
Output Low Voltage
0.4
V (max)
I
OZH
, I
OZL
Hi-Impedance Output Leakage
Current
Hi-Impedance Output Capacitance
(Note 8)
Output Coding
POWER SUPPLY CHARACTERISTICS (C
L
= 10 pF)
V
A
= V
D
= +2.7V to +5.25V
±
1
μA (max)
C
OUT
2
4
pF (max)
Straight (Natural) Binary
V
A
, V
D
Analog and Digital Supply Voltages
V
A
≥
V
D
2.7
5.25
V (min)
V (max)
I
A
+ I
D
Total Supply Current
Normal Mode ( CS low)
V
A
= V
D
= +2.7V to +3.6V,
f
SAMPLE
= 200 kSPS, f
IN
= 39.9 kHz
V
A
= V
D
= +4.75V to +5.25V,
f
SAMPLE
= 200 kSPS, f
IN
= 39.9 kHz
V
A
= V
D
= +2.7V to +3.6V,
f
SCLK
= 0 kSPS
V
A
= V
D
= +4.75V to +5.25V,
f
SCLK
= 0 kSPS
V
A
= V
D
= +3.0V
f
SAMPLE
= 200 kSPS, f
IN
= 39.9 kHz
V
A
= V
D
= +5.0V
f
SAMPLE
= 200 kSPS, f
IN
= 39.9 kHz
V
A
= V
D
= +3.0V
f
SCLK
= 0 kSPS
V
A
= V
D
= +5.0V
f
SCLK
= 0 kSPS
0.41
1.1
mA (max)
1.50
2.3
mA (max)
Total Supply Current
Shutdown Mode (CS high)
20
nA
50
nA
P
C
Power Consumption
Normal Mode ( CS low)
1.2
3.3
mW (max)
7.5
11.5
mW (max)
Power Consumption
Shutdown Mode (CS high)
0.06
μW
0.25
μW
AC ELECTRICAL CHARACTERISTICS
f
SCLK
MIN
Minimum Clock Frequency
f
SCLK
Maximum Clock Frequency
Sample Rate
Continuous Mode
t
CONVERT
Conversion (Hold) Time
V
A
= V
D
= +2.7V to +5.25V
V
A
= V
D
= +2.7V to +5.25V
0.8
3.2
50
200
13
40
60
3
MHz (min)
MHz (max)
kSPS (min)
kSPS (max)
SCLK cycles
% (min)
% (max)
SCLK cycles
16
f
S
V
A
= V
D
= +2.7V to +5.25V
1000
V
A
= V
D
= +2.7V to +5.25V
DC
SCLK Duty Cycle
V
A
= V
D
= +2.7V to +5.25V
30
70
t
ACQ
Acquisition (Track) Time
V
A
= V
D
= +2.7V to +5.25V
Acquisition Time + Conversion Time
V
A
= V
D
= +2.7V to +5.25V
V
A
= V
D
= +2.7V to +5.25V
Throughput Time
16
SCLK cycles
t
AD
Aperture Delay
4
ns
A
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ADC128S022CIMTX/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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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