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參數(shù)資料
| 型號(hào)： | MAX5865 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-Low-Power, High-Dynamic- Performance, 40Msps Analog Front End |
| 中文描述： | 超低功耗、高動(dòng)態(tài)性能、40Msps模擬前端 |
| 文件頁數(shù)： | 16/26頁 |
| 文件大小： | 2144K |
| 代理商： | MAX5865 |
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M
DAC Timing
Figure 4
shows the relationship between the clock, input
data, and analog outputs. Data for the I channel (ID) is
latched on the falling edge of the clock signal, and Q-
channel (QD) data is latched on the rising edge of the
clock signal. Both I and Q outputs are simultaneously
updated on the next rising edge of the clock signal.
3-Wire Serial Interface and
Operation Modes
The 3-wire serial interface controls the MAX5865 opera-
tion modes. Upon power-up, the MAX5865 must be pro-
grammed to operate in the desired mode. Use the 3-wire
serial interface to program the device for the shutdown,
idle, standby, Rx, Tx, or Xcvr mode. An 8-bit data register
sets the operation modes as shown in
Table 3
. The serial
interface remains active in all six modes.
Ultra-Low-Power, High-Dynamic-
Performance, 40Msps Analog Front End
16
______________________________________________________________________________________
Table 2. DAC Output Voltage vs. Input Codes (Internal Reference Mode V
REFDAC
=
1.024V, External Reference Mode V
REFDAC
= V
REFIN
)
DIFFERENTIAL OUTPUT VOLTAGE
OFFSET BINARY
(DD0
–
DD9)
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
REFDAC
2.56
1023
1023
×
V
REFDAC
2.56
1021
1023
×
V
REFDAC
2.56
3
1023
×
V
REFDAC
2.56
1
1023
×
V
REFDAC
2.56
1
1023
×
V
REFDAC
2.56
1021
1023
×
V
REFDAC
2.56
1023
1023
×
Figure 4. DAC System Timing Diagram
t
DSQ
t
DSI
Q: N-2
I: N-1
DD0
–
DD9
CLK
ID
QD
Q: N-1
I: N
Q: N
I: N+1
N-2
N-1
N
N-2
N-1
N
t
DHQ
t
DHI
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5865ETM | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX5865ETM+ | 功能描述:ADC / DAC多通道 10-Bit 2Ch 40Msps CODEC/AFE RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX5865ETM+T | 功能描述:ADC / DAC多通道 10-Bit 2Ch 40Msps CODEC/AFE RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX5865ETM-D | 制造商:Maxim Integrated Products 功能描述:DUAL 10BIT DAC & DUAL 8BIT ADC 40MSPS CODEC - Rail/Tube |
| MAX5865ETM-T | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
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