參數(shù)資料
型號： MAX19705ETM+
廠商： Maxim Integrated Products
文件頁數(shù)： 16/37頁
文件大?。?/td> 0K
描述： IC ANLG FRNT END 48-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 43
位數(shù)： 10
通道數(shù)： 4
功率（瓦特）： 28.2mW
電壓 - 電源，模擬： 2.7 V ~ 3.3 V
電壓 - 電源，數(shù)字： 1.8 V ~ 3.3 V
封裝/外殼： 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 48-TQFN-EP（7x7）
包裝： 管件
MAX19705
10-Bit, 7.5Msps, 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 code. 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 MAX19705 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, 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
E5
E4
Aux-DAC3
Aux-DAC2
Aux-DAC1
0
00
ON
0
01
ON
OFF
0
10
ON
OFF
ON
0
11
ON
OFF
1
00
OFF
ON
1
01
OFF
ON
OFF
1
10
OFF
ON
1
11
OFF
Table 8. Aux-ADC Enable Table
(ENABLE-16 Mode)
E9
SELECTION
0 (Default)
Aux-ADC is Powered ON
1
Aux-ADC is Powered OFF
X = Don’t care.
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參數(shù)描述
MAX19705ETM+ 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
MAX19705ETM+GH7 功能描述:ADC / DAC多通道 10-Bit 7.5Msps Ultra-Low-Power Analog Front-End 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
MAX19705ETM+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
MAX19705ETM+TGH7 功能描述:ADC / DAC多通道 10-bit 7.5Msps Ultra-Low-Power Analog Front-End 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
MAX19705ETM-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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