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參數(shù)資料
| 型號： | MAX19700 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End |
| 中文描述： | 7.5Msps、超低功耗模擬前端 |
| 文件頁數(shù)： | 23/37頁 |
| 文件大?。?/td> | 561K |
| 代理商： | MAX19700 |
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M
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
______________________________________________________________________________________
23
In ENABLE-16 mode, the aux-DACs have independent
control bits E4, E5, and E6, and bit E9 enables the aux-
ADC. Table 7 shows the auxiliary DAC enable codes
and Table 8 shows the auxiliary ADC enable codes. Bits
E11 and E10 are reserved. Program bits E11 and E10 to
logic-low.
Modes aux-DAC1, aux-DAC2, and aux-DAC3 select
the aux-DAC channels named DAC1, DAC2, and
DAC3 and hold the data inputs for each DAC. Bits
_D11–_D0 are the data inputs for each aux-DAC and
can be programmed through SPI. The MAX19707 also
includes two 6-bit registers that can be programmed to
adjust the offsets for the Tx DAC I and Q channels
independently (see Table 9). Use the COMSEL mode
to select the output common-mode voltage with bits
CM1 and CM0 (see Table 10). Use Aux-ADC mode to
start the auxiliary ADC conversion (see the
10-Bit,
333ksps Auxiliary ADC
section for details). Use
ENABLE-8 mode for faster enable and switching
between shutdown, idle, and standby states as well as
switching between FAST, SLOW, and Rx and Tx modes.
Table 6. Tx-Rx Control Using SPI Commands
ADDRESS
DATA BITS
T/
R
A3
A2 A1 A0
E3
E2
E1
E0
PIN 27
MODE
FUNCTION
(Tx-Rx SWITCHING
SPEED)
DESCRIPTION
COMMENTS
1011
X
SPI1-Rx
SLOW
Rx Mode:
Rx ADC = ON
Tx DAC = OFF
Rx Bus = Enable
Low Power:
Slow Rx to Tx through
SPI command.
1100
X
SPI2-Tx
SLOW
Tx Mode:
Rx ADC = OFF
Tx DAC = ON
Tx Bus = Enable
Low Power:
Slow Tx to Rx through
SPI command.
1101
X
SPI3-Rx
FAST
Rx Mode:
Rx ADC = ON
Tx DAC = ON
Rx Bus = Enabled
Moderate Power:
Fast Rx to Tx through
SPI command.
0000
(16-Bit Mode)
or
1000
(8-Bit Mode)
1110
X
SPI4-Tx
FAST
Tx Mode:
Rx ADC = ON
Tx DAC = ON
Tx Bus = Enabled
Moderate Power:
Fast Tx to Rx through
SPI command.
Table 7. Aux-DAC Enable Table
(ENABLE-16 Mode)
E6
0
0
0
0
1
1
1
1
E5
0
0
1
1
0
0
1
1
E4
0
1
0
1
0
1
0
1
AUX-DAC3
ON
ON
ON
ON
OFF
OFF
OFF
OFF
AUX-DAC2
ON
ON
OFF
OFF
ON
ON
OFF
OFF
AUX-DAC1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Table 8. Aux-ADC Enable Table
(ENABLE-16 Mode)
E9
SELECTION
Aux-ADC is Powered ON
Aux-ADC is Powered OFF
0 (Default)
1
X = Don’t care.
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| MAX19705 | 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End |
| MAX19706 | 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End |
| MAX19707 | 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End |
| MAX19707ETM | 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End |
| MAX19708 | 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX19700ETM | 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 |
| MAX19700ETM+ | 功能描述:ADC / DAC多通道 7.5Msps CODEC/AFE 1.8/2.7-3.3V 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 |
| MAX19700ETM+T | 功能描述:ADC / DAC多通道 7.5Msps CODEC/AFE 1.8/2.7-3.3V 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 |
| MAX19700ETM-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 |
| MAX19700EVCMOD2 | 功能描述:ADC / DAC多通道 Evaluation Kit/Evaluation System for the MAX19700 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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