參數(shù)資料
型號： ADS6224IRGZ25
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48
封裝： 7 X 7 MM, GREEN, PLASTIC, VQFN-48
文件頁數(shù)： 48/73頁
文件大?。?/td> 3182K
代理商： ADS6224IRGZ25
www.ti.com
DIGITAL OUTPUT INTERFACE
1-WIRE INTERFACE – 12
× AND 14× SERIALIZATION WITH DDR BIT CLOCK
SLAS543A – MAY 2007 – REVISED SEPTEMBER 2007
ADS622X offers several flexible output options making it easy to interface to an ASIC or an FPGA. Each of these
options can be easily programmed using either parallel pins or the serial interface.
The output interface options are:
1-Wire, 1
× frame clock, 12× and 14× serialization with DDR bit clock
2-Wire, 1
× frame clock, 12× serialization, with DDR and SDR bit clock, byte wise/bit wise/word wise
2-Wire, 1
× frame clock, 14× serialization, with SDR bit clock, byte wise/bit wise/word wise
2-Wire, (0.5 x) frame clock, 14
× serialization, with DDR bit clock, byte wise/bit wise/word wise.
The maximum sampling frequency, bit clock frequency and output data rate will vary depending on the interface
options selected (refer to Table 12).
Table 25. Maximum Recommended Sampling Frequency for Different Output Interface Options
MAXIMUM
RECOMMENDED
BIT CLOCK
FRAME CLOCK
SERIAL DATA RATE,
INTERFACE OPTIONS
SAMPLING
FREQUENCY,
FREQUENCY, MHZ
Mbps
FREQUENCY,
MHZ
MSPS
12
× Serialization
65
390
65
780
DDR Bit
1-Wire
clock
14
× Serialization
65
455
65
910
12
× Serialization
125
375
125
750
DDR Bit
2-Wire
clock
14
× Serialization
125
437.5
62.5
875
12
× Serialization
65
390
65
390
SDR Bit
2-Wire
clock
14
× Serialization
65
455
65
455
Each interface option is described in detail below.
Here the device outputs the data of each ADC serially on a single LVDS pair (1-wire). The data is available at the
rising and falling edges of the bit clock (DDR bit clock). The ADC outputs a new word at the rising edge of every
frame clock, starting with the MSB. Optionally, it can also be programmed to output the LSB first. The data rate is
12
× sample frequency (12× serialization) and 14 × sample frequency (14× serialization).
52
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): ADS6225 ADS6224 ADS6223 ADS6222
相關(guān)PDF資料
PDF描述
ADS7812PB 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP16
ADS7945SRTER 2-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC16
ADS7945SRTET 2-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC16
ADS7953SBRHBT 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
ADS7953SRHBT 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS6224IRGZR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 12b 105MSPS 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
ADS6224IRGZRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 12B 105MSPS 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
ADS6224IRGZT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 12b 105MSPS 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
ADS6224IRGZTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 12B 105MSPS 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
ADS6225 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL CHANNEL, 12-BIT, 125/105/80/65 MSPS ADC WITH SERIAL LVDS INTERFACE
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