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MAX105
signal-to-noise ratio (SNR) specifications will degrade.
The MAX105’s on-board, wide-bandwidth input ampli-
fiers (I&Q) reduce this effect significantly, allowing pre-
cise digitizing of fast analog data at high conversion
rates. The input amplifiers buffer the input signal and
allow a full-scale signal input range of ±400mV
(800mVp-p).
Internal Reference
The MAX105 features an integrated, buffered +2.5V
precision bandgap reference. This reference is internal-
ly scaled to match the analog input range specification
of ±400mV. The data converter’s reference output
(REF) can source up to 500A. REF should be buffered,
if used to supply external devices.
LVDS Digital Outputs
The MAX105 provides data in two’s complement format
to differential LVDS outputs. A simplified circuit
schematic of the LVDS output cells is shown in Figure
2. All LVDS outputs are powered from separate I-chan-
nel OVCCI and Q-channel OVCCQ (Q-channel) power
supplies, which may be operated at +3.3V ±10%. The
Dual, 6-Bit, 800Msps ADC with On-Chip,
Wideband Input Amplifier
Figure 1. MAX105 Flash Converter Architecture
INI-
INI+
2k
CLK+
AVCC
CLK-
P0I+/P0I-
DREADY+/DREADY-
DOR+/DOR-
P5I+/P5I-
A0I+/A0I-
A5I+/A5I-
P0Q+/P0Q-
P5Q+/P5Q-
A0Q+/A0Q-
A5Q+/A5Q-
10k
10k
CM BUFFER
REFERENCE
PRIMARY
DATA PORT
P0I-P5I
AUXILIARY
DATA PORT
A0I-A5I
PRIMARY
DATA PORT
P0Q-P5Q
AUXILIARY
DATA PORT
A0Q-A5Q
I ADC
1:2
REF
MAX105
INQ-
INQ+
2k
PRE-AMP
Q ADC
REF
DOR
PRE-AMP
MAX105
P0I+ - P5I+
A0I+ - A5I+
P0I- - P5I-
A0I- - A5I-
OVCCI
55
55
Figure 2. Simplified LVDS Output Model
12
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MAX105ECS-TD 功能描述:模数转换器 - 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
MAX105EVKIT 功能描述:数据转换 IC 开发工具 MAX105/7 Eval Kit 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
MAX106 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:【5V, 600Msps, 8-Bit ADC with On-Chip 2.2GHz Bandwidth Track/Hold Amplifier
MAX1060 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:400ksps, +5V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1060ACEI 功能描述:模数转换器 - 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
MAX1060ACEI+ 功能描述:模数转换器 - ADC 5V 10Bit 8Ch 400ksps w/2.5V Ref & Prl Int 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