參數(shù)資料
型號： MAX19516ETM+
廠商： Maxim Integrated Products
文件頁數(shù)： 24/35頁
文件大?。?/td> 0K
描述： IC ADC 10BIT 100MSPS DUAL 48TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 43
位數(shù)： 10
采樣率（每秒）： 100M
數(shù)據(jù)接口： 串行，并聯(lián)
轉(zhuǎn)換器數(shù)目： 2
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 48-TQFN-EP（7x7）
包裝： 托盤
輸入數(shù)目和類型： 4 個單端，單極；2 個差分，單極
產(chǎn)品目錄頁面： 1398 (CN2011-ZH PDF)
MAX19516
Dual-Channel, 10-Bit, 100Msps ADC
30
______________________________________________________________________________________
Integrated Voltage Regulator
The MAX19516 includes an integrated self-sensing lin-
ear voltage regulator on the analog supply (AVDD). See
Figure 17. When the applied voltage on AVDD is below
2V, the voltage regulator is bypassed, and the core
analog circuitry operates from the externally applied
voltage. If the applied voltage on AVDD is higher than
2V, the regulator bypass switches off, and voltage reg-
ulator mode is enabled. When in voltage regulation
mode, the internal-core analog circuitry operates from a
stable 1.8V supply voltage provided by the regulator.
The regulator provides an output voltage of 1.8V over a
2.3V to 3.5V AVDD input-voltage range. Since the
power-supply current is constant over this voltage
range, analog power dissipation is proportional to the
applied voltage.
Power-On and Reset
The user-programmable register default settings and
other factory-programmed settings are stored in non-
volatile memory. Upon device power-up, these values
are loaded into the control registers. This operation
occurs after application of supply voltage to AVDD and
application of an input clock signal. The register values
are retained as long as AVDD is applied. While AVDD is
applied, the registers can be reset, which will overwrite
all user-programmed registers with the default values.
This reset operation can be initiated by software com-
mand through the serial-port interface or by hardware
control using the SPEN and SHDN inputs. The reset
time is proportional to the ADC clock period and
requires 85s at 100Msps. Table 9 summarizes the
reset methods.
SAMPLING RATE (Msps)
VOVDD = 3.3V
FROM
TO
DA_BYPASS
DLY_HALF_T
DTIME<2:0>
DCLKTIME<2:0>
50
73
1
0
000
73
88
1
0
101
88
100
1
0
110
Table 7. Recommended Timing Adjustments (VOVDD = 3.3V)
DTIME<2:0>
ALLOWED DCLKTIME<2:0> SETTINGS
111 (-3T/16)
110 (-2T/16)
110 (-2T/16); 111 (-3T/16)
101 (-1T/16)
101 (-1T/16); 110 (-2T/16); 111 (-3T/16)
000 (nominal)
000 (nominal); 101 (-1T/16); 110 (-2T/16); 111 (-3T/16)
001 (+1T/16)
001 (+1T/16); 000 (nominal); 101 (-1T/16); 110 (-2T/16); 111 (-3T/16)
010 (+2T/16)
010 (+2T/16); 001 (+1T/16); 000 (nominal); 101 (-1T/16); 110 (-2T/16); 111 (-3T/16)
011 (+3T/16)
011 (+3T/16); 010 (+2T/16); 001 (+1T/16); 000 (nominal); 101 (-1T/16); 110 (-2T/16); 111 (-3T/16)
Table 8. Allowed Settings of DCLKTIME and DTIME for DA_BYPASS = 1
RESET MODE
DESCRIPTION
Power-On Reset
Upon power-up (AVDD supply voltage and clock signal applied), the POR (power-on-reset) circuit initiates a
register reset.
Software Reset
Write data 5Ah to address 0Ah to initiate register reset.
Hardware Reset
A register reset is initiated by the falling edge on the SHDN pin when
SPEN is high.
Table 9. Reset Methods
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX19516ETM+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 100Msps 1.8V 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
MAX19516ETM+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 100Msps 1.8V 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
MAX19516EVKIT+ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX19505-07/15-17 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX19517ETM+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 130Msps 1.8V 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
MAX19517ETM+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 130Msps 1.8V 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
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