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| 型号： | MAX19710ETN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 24/37页 |
| 文件大小： | 0K |
| 描述： | IC ANLG FRONT END 7.5MSPS 56TQFN |
| 产品变化通告： | Product Discontinuation 09/Jun/2011 |
| 标准包装： | 43 |
| 位数： | 10 |
| 通道数： | 2 |
| 功率（瓦特）： | 30mW |
| 电压 - 电源，模拟： | 3V |
| 电压 - 电源，数字： | 3V |
| 封装/外壳： | 56-WFQFN 裸露焊盘 |
| 供应商设备封装： | 56-TQFN-EP（7x7） |
| 包装： | 管件 |
| 产品目录页面： | 1398 (CN2011-ZH PDF) |
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______________________________________________________________________________________
MAX19710
10-Bit, 7.5Msps, Full-Duplex
Analog Front-End
30
______________________________________________________________________________________
Rx ADC inputs only requires half the signal swing com-
pared to single-ended mode. Figure 10 shows an RF
transformer converting the MAX19710 Tx DAC differen-
tial analog outputs to single-ended.
Using Op-Amp Coupling
Drive the MAX19710 Rx ADC with op amps when a
balun transformer is not available. Figures 11 and 12
show the Rx ADC being driven by op amps for AC-cou-
pled single-ended and DC-coupled differential applica-
tions. Amplifiers such as the MAX4454 and MAX4354
provide high speed, high bandwidth, low noise, and
low distortion to maintain the input signal integrity. The
op-amp circuit shown in Figure 12 can also be used to
interface with the Tx DAC differential analog outputs to
provide gain or buffering. The Tx DAC differential ana-
log outputs cannot be used in single-ended mode
because of the internally generated common-mode
level. Also, the Tx DAC analog outputs are designed to
drive a differential input stage with input impedance ≥
70kΩ. If single-ended outputs are desired, use an
amplifier to provide differential-to-single-ended conver-
sion and select an amplifier with proper input common-
mode voltage range.
FDD Application
Figure 13 illustrates a typical FDD application circuit. The
MAX19710 interfaces directly with a ZIF radio front-end to
provide a complete “RF-to-Bits” solution for FDD applica-
tions such as private mobile radio (PMR), broadband
access radio, and proprietary radio systems. The
MAX19710 provides several system benefits to digital
baseband developers:
Fast Time-to-Market
High-Performance, Low-Power Analog Functions
Low-Risk, Proven Analog Front-End Solution
No Mixed-Signal Test Times
No NRE Charges
No IP Royalty Charges
Enables Digital Baseband and Scale with 65nm to
90nm CMOS
Grounding, Bypassing, and
Board Layout
The MAX19710 requires high-speed board layout design
techniques. Refer to the MAX19710 EV kit data sheet for a
board layout reference. Place all bypass capacitors as
close to the device as possible, preferably on the same
side of the board as the device, using surface-mount
devices for minimum inductance. Bypass VDD to GND
with a 0.1F ceramic capacitor in parallel with a 2.2F
Figure 11. Single-Ended Drive for Rx ADC
MAX19710
0.1
μF
1k
Ω
1k
Ω
100
Ω
100
Ω
CIN
22pF
CIN
22pF
QAP
QAN
COM
IAP
IAN
0.1
μF
RISO
50
Ω
RISO
50
Ω
REFP
REFN
VIN
0.1
μF
1k
Ω
1k
Ω
100
Ω
100
Ω
CIN
22pF
CIN
22pF
0.1
μF
RISO
50
Ω
RISO
50
Ω
REFP
REFN
VIN
Figure 10. Balun Transformer-Coupled Differential-to-Single-
Ended Output Drive for Tx DAC
MAX19710
IDP
IDN
VOUT
QDP
QDN
VOUT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX19710ETN+ | 功能描述:ADC / DAC多通道 7.5Msps CODEC/AFE Full Duplex 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 |
| MAX19710ETN+T | 功能描述:ADC / DAC多通道 7.5Msps CODEC/AFE Full Duplex 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 |
| MAX19710ETN-T | 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 |
| MAX19710EVCMODU+ | 功能描述:数据转换 IC 开发工具 MAX19710 Eval System 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 |
| MAX19710EVKIT | 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 |
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