參數(shù)資料
型號(hào)： MAX126CCAX+D
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 12/15頁(yè)
文件大?。?/td> 0K
描述： IC DAS 14BIT 2X4CH 36-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 30
類(lèi)型： 數(shù)據(jù)采集系統(tǒng)（DAS）
分辨率（位）： 14 b
數(shù)據(jù)接口： 并聯(lián)
電壓電源： 模擬和數(shù)字，雙 ±
電源電壓： ±4.75 V ~ 5.25 V
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 36-BSOP（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 36-SSOP
包裝： 管件
_______________Detailed Description
The MAX125/MAX126 use a successive-approximation
conversion technique and four simultaneous-sampling
track/hold (T/H) amplifiers to convert analog signals into
14-bit digital outputs. Each T/H has two multiplexed
inputs, allowing a total of eight inputs. Each T/H output
is converted and stored in memory to be accessed
sequentially by the parallel interface with successive
read cycles. The MAX125/MAX126 internal micro-
sequencer can be programmed to digitize one, two,
three, or four inputs sampled simultaneously from either
of the two banks of four inputs (see Figure 2).
The conversion timing and control sequences are
derived from a 16MHz external clock, the CONVST
MAX125/MAX126
2x4-Channel, Simultaneous-Sampling
14-Bit DAS
6
_______________________________________________________________________________________
NAME
FUNCTION
1, 2
CH2B, CH2A
Channel 2 Multiplexed Inputs, single-ended
3, 4
CH1B, CH1A
Channel 1 Multiplexed Inputs, single-ended
PIN
5
AVDD
+5V ±5% Analog Supply Voltage
6
REFIN
External Reference Input/Internal Reference Output. Bypass with a 0.1F capacitor to AGND.
17
DVDD
+5V ±5% Digital Supply Voltage
9–16
D13–D6
Data Bits. D13 = MSB.
8, 36
AGND
Analog Ground. Both pins must be tied to ground.
7
REFOUT
Reference-Buffer Output. Bypass with a 4.7F capacitor to AGND.
26
CS
Chip-Select Input (active-low)
25
CLK
Clock Input (duty cycle must be 30% to 70%).
21–24
D3/A3–D0/A0
Bidirectional Data Bits/Address Bits. D0/A0 = LSB.
19, 20
D5, D4
Data Bits
18
DGND
Digital Ground
______________________________________________________________Pin Description
27
WR
Write Input (active-low)
28
RD
Read Input (active-low)
29
CONVST
Conversion-Start Input. Rising edge initiates sampling and conversion sequence.
30
INT
Interrupt Output. Falling edge indicates the end of a conversion sequence.
31
AVSS
-5V ±5% Analog Supply Voltage
32, 33
CH4A, CH4B
Channel 4 Multiplexed Inputs, single-ended
34, 35
CH3A, CH3B
Channel 3 Multiplexed Inputs, single-ended
Figure 1. Load Circuit for Access Time and Bus Relinquish Time
TO OUTPUT
PIN
120pF
1.0mA
1.6mA
1.6V
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MAX126CCAX-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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX126CEAX 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX126CEAX+ 制造商:Maxim Integrated Products 功能描述:ADC SGL SAR 250KSPS 14BIT PARALLEL 36SSOP - Rail/Tube
MAX126CEAX+D 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 250ksps 2.75V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX126CEAX+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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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