參數資料
型號: MAX1142BEAP+
廠商: Maxim Integrated Products
文件頁數: 14/20頁
文件大?。?/td> 0K
描述: IC ADC 14BIT 200KSPS 20-SSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 66
位數: 14
采樣率(每秒): 200k
數據接口: MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
功率耗散(最大): 640mW
電壓電源: 模擬和數字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 20-SSOP
包裝: 管件
輸入數目和類型: 1 個單端,單極;1 個單端,雙極
產品目錄頁面: 1395 (CN2011-ZH PDF)
MAX1142/MAX1143
14-Bit ADC, 200ksps, +5V Single-Supply
with Reference
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +5V ±5%, fSCLK = 4.8MHz, external clock (50% duty cycle), 24 clocks/conversion (200ksps), bipolar input, external
VREF = +4.096V, VREFADJ = AVDD, CREF = 2.2F, CCREF = 1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Unipolar
7.5
10.0
MAX1142
Bipolar
5.9
7.9
Unipolar
100
1000
Input Impedance
MAX1143
Bipolar
3.4
4.5
k
Input Capacitance
32
pF
CONVERSION RATE
Internal Clock Frequency
4
MHz
Aperture Delay
tAD
10
ns
Aperture Jitter
tAJ
50
ps
MODE 1 (24 External Clock Cycles per Conversion)
Unipolar
0.1
3
External Clock Frequency
fSCLK
Bipolar
0.1
4.8
MHz
Unipolar
4.17
125
Sample Rate
fS = fSCLK /24
Bipolar
4.17
200
ksps
Unipolar
8
240
Conversion Time (Note 4)
tCONV+ACQ =
24 / fSCLK
Bipolar
5
240
s
MODE 2 (Internal Clock Mode)
External Clock Frequency
(Data Transfer Only)
8
MHz
Conversion Time
SSTRB Low Pulse Width
4
6
s
Unipolar
1.82
Acquisition Time
Bipolar
1.14
s
MODE 3 (32 External Clock Cycles per Conversion)
External Clock Frequency
fSCLK
Unipolar or Bipolar
0.1
4.8
MHz
Sample Rate
fS = fSCLK /32
Unipolar or Bipolar
3.125
150
ksps
Conversion Time (Note 4)
tCONV+ACQ =
32 / fSCLK
Unipolar or Bipolar
6.67
320
s
INTERNAL REFERENCE
Output Voltage
VREF
4.056
4.096
4.136
V
REF Short Circuit Current
24
mA
Output Tempco
±20
ppm/
oC
Capacitive Bypass at REF
0.47
10
F
Maximum Capacitive Bypass at
REFADJ
10
F
REFADJ Output Voltage
4.096
V
REFADJ Input Range
For small adjustments from 4.096V
±100
mV
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相關代理商/技術參數
參數描述
MAX1142BEAP+ 功能描述:模數轉換器 - ADC 14-Bit 200ksps 4.2V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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
MAX1142BEAP+T 功能描述:模數轉換器 - ADC 14-Bit 200ksps 4.2V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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
MAX1142BEAP-T 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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
MAX1143 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:14-Bit ADC.200ksps.+5V Single-Supply with Reference
MAX1143ACAP 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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