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| 型号： | MAX19700ETM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/32页 |
| 文件大小： | 0K |
| 描述： | IC ANLG FRNT END 48-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 10 |
| 通道数： | 2 |
| 功率（瓦特）： | 36.3mW |
| 电压 - 电源，模拟： | 3V |
| 电压 - 电源，数字： | 3V |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 供应商设备封装： | 48-TQFN-EP（7x7） |
| 包装： | 带卷 (TR) |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX19700EVCMOD2 | 功能描述:ADC / DAC多通道 Evaluation Kit/Evaluation System for the MAX19700 RoHS:否 制造商:Texas Instruments 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 |
| MAX19700EVKIT | 功能描述:数据转换 IC 开发工具 RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX19705ETM | 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 |
| 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 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 |
| 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 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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