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参数资料
型号： ADS6242IRGZTG4
厂商： TEXAS INSTRUMENTS INC
元件分类： ADC
英文描述： 2-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC48
封装： 7 X 7 MM, GREEN, PLASTIC, QFN-48
文件页数： 34/76页
文件大小： 3497K
代理商： ADS6242IRGZTG4
www.ti.com
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
ADS6245, ADS6244
ADS6243, ADS6242
SLAS542A – MAY 2007 – REVISED JULY 2007
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
SUPPLIES
AVDD
Analog supply voltage
3.0
3.3
3.6
V
LVDD
LVDS Buffer supply voltage
3.0
3.3
3.6
V
ANALOG INPUTS
Differential input voltage range
2
Vpp
1.5
Input common-mode voltage
V
±0.1
Voltage applied on VCM in external reference mode
1.45
1.50
1.55
V
CLOCK INPUT
ADS6245
5
125
ADS6244
5
105
Input clock sample rate, Fs
MSPS
ADS6243
5
80
ADS6242
5
65
Sine wave, ac-coupled
0.4
1.5
LVPECL, ac-coupled
± 0.8
Input clock amplitude differential (VCLKP – VCLKM)
Vpp
LVDS, ac-coupled
± 0.35
LVCMOS, ac-coupled
3.3
Input Clock duty cycle
35%
50%
65%
DIGITAL OUTPUTS
Without internal termination
5
Maximum external load capacitance from each
CLOAD
pF
output pin to DGND
With internal termination
10
RLOAD Differential load resistance (external) between the LVDS output pairs
100
TA
Operating free-air temperature
–40
85
°C
Typical values are at 25
°C, min and max values are across the full temperature range T
MIN = –40°C to TMAX = 85°C, AVDD =
LVDD = 3.3 V, maximum rated sampling frequency, 50% clock duty cycle, –1dBFS differential analog input, internal reference
mode (unless otherwise noted).
ADS6245
ADS6244
ADS6243
ADS6242
Fs = 125 MSPS
Fs = 105 MSPS
Fs = 80 MSPS
Fs = 65 MSPS
PARAMETER
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
RESOLUTION
14
Bits
ANALOG INPUT
Differential input voltage
2.0
VPP
range
Differential input
7
pF
capacitance
Analog input bandwidth
500
MHz
Analog input common mode
155
130
100
81
μA
current (per input pin of
each ADC)
REFERENCE VOLTAGES
VREFB
Internal reference bottom
1.0
V
voltage
VREFT
Internal reference top
2.0
V
voltage
ΔVREF
Internal reference error,
–15
±2
15
–15
±2
15
–15
±2
15
–15
±2
15
mV
(VREFT–VREFB)
VCM
Common mode output
1.5
V
voltage
4
Submit Documentation Feedback
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): ADS6245 ADS6244 ADS6243 ADS6242
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ADS6243 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL CHANNEL, 14-BIT, 125/105/80/65 MSPS ADC WITH SERIAL LVDS OUTPUTS
ADS6243EVM 功能描述:数据转换 IC 开发工具 ADS6243 Evaluation Module RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
ADS6243IRGZ25 功能描述:模数转换器 - ADC Dual 14B 80MSPS ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
ADS6243IRGZR 功能描述:模数转换器 - ADC Dual 14B 80MSPS RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
ADS6243IRGZRG4 功能描述:模数转换器 - ADC Dual 14B 80MSPS RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
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