參數(shù)資料
型號(hào)： MAX11040GUU+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 7/35頁(yè)
文件大小： 0K
描述： IC ADC 24BIT 4CH 38-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
位數(shù)： 24
采樣率（每秒）： 64k
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 4
功率耗散（最大）： 108mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 38-TFSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 38-TSSOP
包裝： 管件
輸入數(shù)目和類型： 4 個(gè)差分，雙極
配用： MAXSPCSPARTAN6+-ND - ADC and DAC Eval Expansion Board
MAX11040K/MAX11060
24-/16-Bit, 4-Channel, Simultaneous-Sampling,
Cascadable, Sigma-Delta ADCs
15
Maxim Integrated
When the analog input voltage changes between the
ADC full scale and the fault threshold faster than the
latency of the converter, OVRFLW goes low with the
FAULT output. OVRFLW remains invalid until a valid
clock frequency is available at XIN.
Overvoltage-Fault Detection and Recovery (
FAULT)
With overvoltage-fault protection enabled (FAULTDIS =
0), FAULT immediately transitions from a high to low
when any of the analog inputs go outside the voltage
range bounded by the fault-detection thresholds VPFT
and VNFT.
Once the analog inputs return back within the fault
thresholds, the FAULT interrupt output goes high after a
delay called the fault-recovery time. The fault-recovery
time is:
20 x tDOUT < fault-recovery time < 25 x tDOUT
where tDOUT is the data output period determined by
fXINCLOCK and the selected output data rate.
In the event the analog input voltage changes between
the ADC full scale and the fault threshold faster than
the latency of the converter, the ADC conversion result
prematurely jumps to the full-scale value when a fault is
detected (see Detection Discontinuity in Figure 4).
During a fault condition and the subsequent fault-
recovery time, the ADC conversion result remains at full
scale. This creates a discontinuity in the digital conver-
sion result only if the fault recovery time is greater than
the latency plus the time that the input changes
between the fault threshold and the ADC full scale (see
Recovery Discontinuity in Figure 4). Neither of these
steps occur if the fault-protection circuitry is disabled
(FAULTDIS = 1), or if the input is slow relative to the
above descriptions (see Figure 5).
For data rates faster than 32ksps (FSAMPC = 111), the
converter output may contain invalid data for up to
188μs after FAULT returns high. To prevent this behav-
ior, disable the overvoltage-fault protection by setting
the FAULTDIS bit in the configuration register to 1 when
using FSAMPC = 111, and limit the analog input swing
to ±3.5V.
|AIN+ - AIN-|
LATENCY
DETECTION
DISCONTINUITY
RECOVERY
DISCONTINUITY
FULL SCALE
(|0.88VREF|)
FAULT-DETECTION
THRESHOLD
(VPFT OR |VNFT|)
RECOVERY TIME
LATENCY
FAULT
OVRFLW
DIGITAL OUTPUT
DATA AT DOUT
Figure 4. High-Frequency Analog Input Overvoltage Detection and Recovery
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX11040GUU/GH9 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX11040GUU+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24Bit 4Ch Simul-Samp Cascadable Sig Delt 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
MAX11040GUU+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24Bit 4Ch Simul-Samp Cascadable Sig Delt 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
MAX11040K 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs
MAX11040K_1111 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs
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