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參數(shù)資料
| 型號(hào)： | MX7828KP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | CMOS, High-Speed, 8-Bit ADCs with Multiplexer |
| 中文描述： | 8-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大小： | 106K |
| 代理商： | MX7828KP |
M
f
MAX
permits a maximum sampling rate of 50kHz per
channel when using the MAX158/MX7828 and 100kHz
per channel when using the MAX154/MX7824. These
rates are well above the Nyquist requirement of 20kHz
sampling rate for a 10kHz input bandwidth.
Bipolar Input Operation
The circuit in Figure 10a can be used for bipolar input
operation. The input voltage is scaled by an amplifier so
that only positive voltages appear at the ADC’s inputs.
An external reference should be used for the MX7824/
MX7828, but is not needed with the MAX154/MAX158.
The analog input range is ±4V and the output code is
complementary offset binary. The ideal input/output
characteristic is shown in Figure 10b.
CMOS , High-S peed, 8-Bit ADCs
with Multiplexer
10
______________________________________________________________________________________
1pF
C
S
12pF
C
S
2pF
R
ON
1pF
15 LSB COMPARATORS
TOLS
LADDER
1pF
1pF
16 MSB COMPARATORS
TOMS
LADDER
R
ON
R
MUX
R
S
V
IN
AIN1
11111111
11111110
10000010
10000001
01111111
01111110
10000000
00000001
00000000
00000010
0V
AIN INPUT VOLTAGE (LSBs)
FS = 8V
1LSB = FS / 256
11111101
+FS
2
-FS + 1LSB
R
S
V
IN
AIN1
C
S1
2pF
C
S2
2pF
32pF
B MUX
600
R
ON
350
MAX154
MAX158
AIN1
ONLY CHANNEL 1 SHOWN
V
REF
+
REF OUT
V
DD
V
REF
-
GND
11.5
3.57k
10.0k
0.01
μ
F
0.01
μ
F
0.1
μ
F
47
μ
F
16.2k
V
IN
+5V
CS
RDY
INT
DB0–DB7
RD
Figure 9a. Equivalent Input Circuit
Figure 10b. Transfer Function for ±4V Input Operation
Figure 9b. RC Network Model
Figure 10a. Bipolar ±4V Input Operation
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| MX7828TQ | CMOS, High-Speed, 8-Bit ADCs with Multiplexer |
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| MX7824BQ | CMOS, High-Speed, 8-Bit ADCs with Multiplexer |
| MX7824LN | CMOS, High-Speed, 8-Bit ADCs with Multiplexer |
| MX7828 | CMOS, High-Speed, 8-Bit ADCs with Multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX7828KP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 8Ch Precision 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 |
| MX7828KP+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 8Ch Precision 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 |
| MX7828KP-T | 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 |
| MX7828LCAI | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:CMOS, High-Speed, 8-Bit ADCs with Multiplexer |
| MX7828LCWI | 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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