where f
參數(shù)資料
型號(hào)： MAX19700ETM+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 15/32頁(yè)
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： 2,500
位數(shù)： 10
通道數(shù)： 2
功率（瓦特）： 36.3mW
電壓 - 電源，模擬： 3V
電壓 - 電源，數(shù)字： 3V
封裝/外殼： 48-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 48-TQFN-EP（7x7）
包裝： 帶卷 (TR)
MAX19700
possible jitter. Any significant clock jitter limits the SNR
performance of the on-chip Rx ADC as follows:
where fIN represents the analog input frequency and
tAJ is the time of the clock jitter.
Clock jitter is especially critical for undersampling
applications. Consider the clock input as an analog
input and route away from any analog input or other
digital signal lines. The MAX19700 clock input operates
with a OVDD / 2 voltage threshold and accepts a 50%
±15% duty cycle.
12-Bit, Auxiliary Control DACs
The MAX19700 includes three 12-bit aux-DACs (DAC1,
DAC2, DAC3) with 1s settling time for controlling vari-
able-gain amplifier (VGA), automatic gain-control
(AGC), and automatic frequency-control (AFC) func-
tions. The aux-DAC output range is 0.1V to 2.56V.
During power-up, the VGA and AGC outputs (DAC2
and DAC3) are at zero. The AFC DAC (DAC1) is at 1.1V
during power-up. The aux-DACs can be independently
log
SNR
ft
=×
××
×
20
1
2
π
IN
AJ
7.5Msps, Ultra-Low-Power
Analog Front-End
22
______________________________________________________________________________________
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
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
00
0
ON
00
1
ON
OFF
01
0
ON
OFF
ON
01
1
ON
OFF
10
0
OFF
ON
10
1
OFF
ON
OFF
11
0
OFF
ON
11
1
OFF
Table 8. Tx-Path Full-Scale Select
(ENABLE-16 Mode)
E7
Tx-PATH OUTPUT FULL SCALE
0 (Default)
820mVP-P
11VP-P
X = Don't care.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MAX19700EVKIT 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX19705ETM 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
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
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