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参数资料
型号： MAX19707ETM
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 通信及网络
英文描述： 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End
中文描述： SPECIALTY TELECOM CIRCUIT, QCC48
封装： 7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-48
文件页数： 18/37页
文件大小： 561K
代理商： MAX19707ETM
M
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
18
______________________________________________________________________________________
Figure 3. Rx ADC System Timing Diagram
t
DOQ
t
CL
t
CH
t
CLK
t
DOI
5 CLOCK-CYCLE LATENCY (CHI)
5.5 CLOCK-CYCLE LATENCY (CHQ)
D0–D9
D0Q
D1I
D1Q
D2I
D2Q
D3I
D3Q
D4I
D4Q
D5I
D5Q
D6I
D6Q
CHI
CHQ
CLK
Table 2. Tx DAC Output Voltage vs. Input Codes
(Internal Reference Mode V
REFDAC
= 1.024V, External Reference Mode V
REFDAC
= V
REFIN
; V
FS
= ±400 for 800mV
P-P
Full Scale)
DIFFERENTIAL OUTPUT VOLTAGE (V)
OFFSET BINARY (D0–D9)
INPUT DECIMAL CODE
11 1111 1111
1023
11 1111 1110
1022
10 0000 0001
513
10 0000 0000
512
01 1111 1111
511
00 0000 0001
1
00 0000 0000
0
V
V
FS
REFDAC
1024
1023
1023
(
)
×
V
V
FS
REFDAC
1024
1021
1023
(
)
×
V
V
FS
REFDAC
1024
3
1023
(
)
×
V
V
FS
REFDAC
1024
1
1023
(
)
×
V
V
FS
REFDAC
1024
1
1023
(
)
×
V
V
FS
REFDAC
1024
V
REFDAC
1024
1021
1023
1023
1023
(
)
×
V
FS
(
)
×
Dual, 10-Bit Tx DAC
The dual, 10-bit digital-to-analog converter (Tx DAC)
operates with clock speeds up to 45MHz. The Tx DAC
digital inputs, D0–D9, are multiplexed on a single 10-bit
bus. The voltage reference determines the Tx DAC full-
scale output voltage. See the
Reference Configurations
section for details on setting the reference voltage.
The Tx DAC outputs at IDN, IDP and QDN, QDP are
biased at a 0.7V to 1.05V adjustable DC common-
mode bias and designed to drive a differential input
stage with
≥
70k
input impedance. This simplifies the
analog interface between RF quadrature upconverters
and the MAX19707. Many RF upconverters require a
0.7V to 1.05V common-mode bias. The Tx DAC DC
common-mode bias eliminates discrete level-setting
resistors and code-generated level shifting while pre-
serving the full dynamic range of each Tx DAC. The Tx
DAC differential analog outputs cannot be used in sin-
gle-ended mode because of the internally generated
common-mode DC level. Table 2 shows the Tx DAC
output voltage vs. input codes. Table 10 shows the
selection of DC common-mode levels. See Figure 4 for
an illustration of the Tx DAC analog output levels.
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相关代理商/技术参数
参数描述
MAX19707ETM+ 功能描述:ADC / DAC多通道 45Msps CODEC/AFE 1.8/2.7-3.3V RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19707ETM+T 功能描述:ADC / DAC多通道 45Msps CODEC/AFE 1.8/2.7-3.3V RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19707ETM-T 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19707EVCMOD2 功能描述:ADC / DAC多通道 Evaluation System for the MAX19707 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19707EVCMODU 功能描述:ADC / DAC多通道 Evaluation System for the MAX19707 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
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