參數(shù)資料
型號(hào)： MAX1193EVKIT
廠商： Maxim Integrated Products
文件頁數(shù)： 5/26頁
文件大?。?/td> 0K
描述： EVAL KIT FOR MAX1193
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 2
位數(shù)： 8
采樣率（每秒）： 45M
數(shù)據(jù)接口： 并聯(lián)
輸入范圍： ±512 mV
工作溫度： 0°C ~ 70°C
已用 IC / 零件： MAX1191，MAX1192，MAX1193
已供物品： 板
Detailed Description
The MAX1193 uses a seven-stage, fully differential,
pipelined architecture (Figure 1) that allows for high-
speed conversion while minimizing power consump-
tion. Samples taken at the inputs move progressively
through the pipeline stages every half-clock cycle.
Including the delay through the output latch, the total
clock-cycle latency is 5 clock cycles for channel A and
5.5 clock cycles for channel B.
At each stage, flash ADCs convert the held input volt-
ages into a digital code. The following digital-to-analog
converter (DAC) converts the digitized result back into
an analog voltage, which is then subtracted from the
originally held input signal. The resulting error signal is
then multiplied by two, and the product is passed along
to the next pipeline stage where the process is repeated
until the signal has been processed by all stages. Digital
error correction compensates for ADC comparator off-
sets in each pipeline stage and ensures no missing
codes. Figure 2 shows the MAX1193 functional diagram.
MAX1193
Ultra-Low-Power, 45Msps, Dual 8-Bit ADC
______________________________________________________________________________________
13
Pin Description (continued)
PIN
NAME
FUNCTION
23
PD0
Power-Down Digital Input 0. See Table 3.
24
REFIN
Reference Input. Internally pulled up to VDD.
25
COM
Common-Mode Voltage I/O. Bypass COM to GND with a 0.33F capacitor.
26
REFN
Negative Reference I/O. Conversion range is ±(VREFP - VREFN). Bypass REFN to GND with a 0.33F
capacitor.
27
REFP
Positive Reference I/O. Conversion range is ±(VREFP - VREFN). Bypass REFP to GND with a 0.33F
capacitor.
—
EP
Exposed Paddle. Internally connected to pin 3. Externally connect EP to GND.
INA+
INA-
T/H
DIGITAL ERROR CORRECTION
/
D0–D7
FLASH
ADC
T/H
DAC
∑
-
+
x2
1.5 BITS
STAGE 1
STAGE 2
STAGE 7
Figure 1. Pipeline Architecture—Stage Blocks
INA+
INA-
DEC
/
T/H
INB+
INB-
DEC
/
T/H
/
REFERENCE
SYSTEM AND
BIAS
CIRCUITS
PIPELINE
ADC
A
COM
REFIN
REFN
REFP
CLK
TIMING
OVDD
OGND
MULTIPLEXER
OUTPUT
DRIVERS
POWER
CONTROL
D0–D7
/
VDD
GND
A/B
PD0
PD1
PIPELINE
ADC
B
MAX1193
Figure 2. MAX1193 Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1195ECM 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1195ECM+D 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 40Msps 3V High Speed 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
MAX1195ECM+TD 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 40Msps 3V High Speed 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
MAX1195ECM-D 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
MAX1195ECM-TD 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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