參數(shù)資料
型號： KAD5512HP-12Q72
廠商： Intersil
文件頁數(shù)： 15/34頁
文件大?。?/td> 0K
描述： IC ADC 12BIT 125MSPS SGL 72-QFN
產(chǎn)品培訓(xùn)模塊： High-Speed Analog-to-Digital Converters
標(biāo)準(zhǔn)包裝： 1
系列： FemtoCharge™
位數(shù)： 12
采樣率（每秒）： 125M
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 376mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 72-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 72-QFN（10x10）
包裝： 托盤
輸入數(shù)目和類型： 1 個(gè)差分，單極
22
FN6808.3
October 1, 2009
Mapping of the input voltage to the various data formats is
shown in Table 5.
Serial Peripheral Interface
A serial peripheral interface (SPI) bus is used to facilitate
configuration of the device and to optimize performance. The
SPI bus consists of chip select (CSB), serial clock (SCLK)
serial data input (SDI) and serial data input/output (SDIO).
The maximum SCLK rate is equal to the ADC sample rate
(fSAMPLE) divided by 16 for write operations and fSAMPLE
divided by 66 for reads. At fSAMPLE = 250MHz, maximum
SCLK is 15.63MHz for writing and 3.79MHz for read
operations. There is no minimum SCLK rate.
The following sections describe various registers that are
used to configure the SPI or adjust performance or functional
parameters. Many registers in the available address space
(0x00 to 0xFF) are not defined in this document. Additionally,
within a defined register there may be certain bits or bit
combinations that are reserved. Undefined registers and
undefined values within defined registers are reserved and
should not be selected. Setting any reserved register or value
may produce indeterminate results.
TABLE 5. INPUT VOLTAGE TO OUTPUT CODE MAPPING
INPUT
VOLTAGE OFFSET BINARY
TWO’S
COMPLEMENT
GRAY CODE
–Full Scale 000 00 000 00 00 100 00 000 00 00 000 00 000 00 00
–Full Scale
+ 1LSB
000 00 000 00 01 100 00 000 00 01 000 00 000 00 01
Mid–Scale 100 00 000 00 00 000 00 000 00 00 110 00 000 00 00
+Full Scale
– 1LSB
111 11 111 11 10
011 11 111 11 10 100 00 000 00 01
+Full Scale
111 11 111 11 11
011 11 111 111 1 100 00 000 00 00
FIGURE 32. GRAY CODE TO BINARY CONVERSION
10
11
9
0
1
BINARY
10
11
9
0
GRAY CODE
1
FIGURE 33. MSB-FIRST ADDRESSING
CSB
SCLK
SDIO
R/W
W1
W0
A12
A11
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
A10
FIGURE 34. LSB-FIRST ADDRESSING
CSB
SCLK
SDIO
R/W
W1
W0
A12
A11
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
A2
KAD5512HP
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參數(shù)描述
KAD5512HP-17Q48 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-BIT 170MSPS HI PERF SINGLE 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
KAD5512HP-17Q72 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-BIT 170MSPS HI PERF SINGLE 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
KAD5512HP-21Q48 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-BIT 210MSPS HI PERF SINGLE ADC PROG 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
KAD5512HP-21Q72 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-BIT 210MSPS HI PERF SINGLE ADC PROG 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
KAD5512HP-25Q48 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-BIT 250MSPS HI PERF SINGLE 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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