參數(shù)資料
型號(hào)： MAX19517ETM+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 24/35頁(yè)
文件大?。?/td> 0K
描述： IC ADC 10BIT 2CH 130MSPS 48TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
位數(shù)： 10
采樣率（每秒）： 130M
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： 帶卷 (TR)
輸入數(shù)目和類型： 4 個(gè)單端，單極；2 個(gè)差分，單極
MAX19517
Dual-Channel, 10-Bit, 130Msps ADC
30
______________________________________________________________________________________
Integrated Voltage Regulator
The MAX19517 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 applica-
tion 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 command
through the serial-port interface or by hardware control
using the SPEN and SHDN inputs. The reset time is pro-
portional to the ADC clock period and requires 65s at
130Msps. 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>
65
73
1
0
000
73
88
1
0
101
88
103
1
0
110
103
118
1
0
111
118
130
1
011
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
MAX19517EVKIT+ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX19517 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX1951AESA+ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1MHz 2A 2.6-5.5V PWM DC/DC Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1951AESA+T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1MHz 2A 2.6-5.5V PWM DC/DC Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1951ESA 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1951ESA+ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1MHz 2A 2.6-5.5V PWM DC/DC Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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