參數(shù)資料
型號(hào)： MAX19516ETM+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 7/35頁(yè)
文件大?。?/td> 0K
描述： IC ADC 10BIT 2CH 100MSPS 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）： 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(pán)
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
MAX19516
Dual-Channel, 10-Bit, 100Msps ADC
______________________________________________________________________________________
15
Reference Input/Output (REFIO)
REFIO adjusts the reference potential, which, in turn,
adjusts the full-scale range of the ADC. Figure 4 shows
a simplified schematic of the reference system. An
internal bandgap voltage generator provides an internal
reference voltage. The bandgap potential is buffered
and applied to REFIO through a 10k
resistor. Bypass
REFIO with a 0.1F capacitor to GND. The bandgap
voltage is applied to a scaling and level-shift circuit,
which creates internal reference potentials that estab-
lish the full-scale range of the ADC. Apply an external
voltage on REFIO to trim the ADC full scale. The allow-
able adjustment range is +5/-15%. The REFIO-to-ADC
gain transfer function is:
VFS = 1.5 x [VREFIO/1.25] Volts
Programming and Interface
There are two ways to control the MAX19516 operating
modes. Full feature selection is available using the SPI
interface, while the parallel interface offers a limited set
of commonly used features. The programming mode is
selected using the SPEN input. Drive SPEN low for SPI
interface; drive SPEN high for parallel interface.
Parallel Interface
The parallel interface offers a pin-programmable inter-
face with a limited feature set. Connect SPEN to AVDD
to enable the parallel interface. See Table 1 for pin
functionality; see Figure 5 for a simplified parallel-inter-
face input schematic.
BANDGAP
REFERENCE
BUFFER
1.250V
REFIO
INTERNAL GAIN—BYPASS REFIO
EXTERNAL GAIN CONTROL—DRIVE REFIO
SCALE AND
LEVEL SHIFT
INTERNAL REFERENCE
(CONTROLS ADC GAIN)
10k
0.1
F
EXTERNAL BYPASS
Figure 4. Simplified Reference Schematic
36k
156k
CS
SCLK
SDIN
AVDD
29/32 AVDD
DECODER
TO
CONTROL
LOGIC
23/32 AVDD
3/32 AVDD
Figure 5. Simplified Parallel-Interface Input Schematic
SPEN
SDIN/FORMAT
SCLK/DIV
CS/OUTSEL
DESCRIPTION
0
SDIN
SCLK
CS
SPI interface active. Features are programmed through the
serial port (see the Serial Programming Interface section).
1
0
X
Two’s complement
1
AVDD
X
Offset binary
1
Unconnected
X
Gray code
1
X
0
X
Clock divide-by-1
1
X
AVDD
X
Clock divide-by-2
1
X
Unconnected
X
Clock divide-by-4
1
X
0
CMOS (dual bus)
1
X
AVDD
MUX CMOS (channel A data bus)
1
X
Unconnected
MUX CMOS (channel B data bus)
Table 1. Parallel-Interface Pin Functionality
X = Don’t care.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX19516EVKIT+ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)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(píng)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
MAX19517EVKIT+ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)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(kāi)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(kāi)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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