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參數資料
| 型號： | MAX195BCWE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 2/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT 85KSPS 16-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1,000 |
| 位數： | 16 |
| 采樣率（每秒）： | 85k |
| 數據接口： | QSPI?，串行，SPI? |
| 轉換器數目： | 2 |
| 功率耗散（最大）： | 80mW |
| 電壓電源： | 模擬和數字，雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 16-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | 1 個單端，單極；1 個單端，雙極 |
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MAX195
Data is clocked out on SCLK’s falling edge. Clock
data in on SCLK’s rising edge or, for clock speeds
above 2.5MHz, on the following falling edge to meet
the maximum SCLK-to-DOUT timing specification
(Figure 7). The maximum SCLK speed is 5MHz. See
the
Operating Modes and SPI/QSPI Interfaces section
for additional information. When the conversion clock
is near its maximum (1.7MHz), reading the data after
each conversion (during the acquisition time) results
in lower throughput (about 70ksps max) than reading
the data during conversions, because it takes longer
than the minimum input acquisition time (four cycles
at 1.7MHz) to clock 16 data bits at 5Mbps. After the
data has been clocked in, leave some time (about
1s) for any coupled noise on AIN to settle before
beginning the next conversion.
Whichever method is chosen for reading the data, con-
versions can be individually initiated by bringing CONV
low, or they can occur continuously by connecting EOC
to CONV. Figure 8 shows the MAX195 in its simplest
operational configuration.
16-Bit, 85ksps ADC with 10A Shutdown
10
______________________________________________________________________________________
EOC
CS
SCLK
(CASE 1)
SCLK
(CASE 2)
CASE 1: SCLK IDLES LOW, DATA LATCHED ON RISING EDGE (CPOL = 0, CPHA = 0)
CASE 2: SCLK IDLES LOW, DATA LATCHED ON FALLING EDGE (CPOL = 0, CPHA = 1)
CASE 3: SCLK IDLES HIGH, DATA LATCHED ON FALLING EDGE (CPOL = 1, CPHA = 0)
NOTE: ARROWS ON SCLK TRANSITIONS INDICATE LATCHING EDGE
DOUT
SCLK
(CASE 3)
tCONV
tDH
tSD
tDV
MSB
LSB
B15
B14
B13
B12
B3
B2
B1
B0
B11
tCSS
tCSH
MAX195
10
F
BP/UP/
SHDN
CLK
SCLK
VDDD
DOUT
DGND
REFERENCE
(0V TO VDDA)
ANALOG
INPUT
-5V
EOC
CS
VDDA
VSSA
AGND
AIN
CONVERSION
CLOCK
+5V
REF
VSSD
RESET
CONV
0.1
F
10
F
0.1
F
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Figure 7. Output Data Format, Reading Data Between Conversions (Mode 2)
Figure 8. MAX195 in the Simplest Operating Configuration
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX195BEPE | 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 |
| MAX195BEPE+ | 功能描述:模數轉換器 - ADC 16-Bit 85ksps 5V 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 |
| MAX195BEPE+T | 制造商:Maxim Integrated Products 功能描述:16-BIT, 85KSPS ADC WITH 10?A SHUTDOWN - Tape and Reel |
| MAX195BEWE | 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 |
| MAX195BEWE+ | 功能描述:模數轉換器 - ADC 16-Bit 85ksps 5V 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 |
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