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參數(shù)資料
| 型號： | MAX19713 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 10-Bit, 45Msps, Full-Duplex Analog Front-End |
| 中文描述： | 10位、45Msps、全雙工模擬前端 |
| 文件頁數(shù)： | 16/37頁 |
| 文件大小： | 892K |
| 代理商： | MAX19713 |
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M
10-Bit, 45Msps, Full-Duplex
Analog Front-End
16
______________________________________________________________________________________
Figure 1. Rx ADC Internal T/H Circuits
The MAX19713 integrates three 12-bit auxiliary DACs
(aux-DACs) and a 10-bit, 333ksps auxiliary ADC (aux-
ADC) with 4:1 input multiplexer. The aux-DAC channels
feature 1μs settling time for fast AGC, VGA, and AFC
level setting. The aux-ADC features data averaging to
reduce processor overhead and a selectable clock-
divider to program the conversion rate.
The MAX19713 includes a 3-wire serial interface to con-
trol operating modes and power management. The seri-
al interface is SPI and MICROWIRE compatible.
The MAX19713 serial interface selects shutdown, idle,
standby, FD, transmit (Tx), and receive (Rx) modes, as
well as controls aux-DAC and aux-ADC channels.
The MAX19713 features two independent, high-speed,
10-bit buses for the Rx ADC and Tx DAC, which allow
full-duplex (FD) operation for frequency-division duplex
applications. Each bus can be disabled to optimize
power management through the 3-wire interface. The
MAX19713 operates from a single 2.7V to 3.3V analog
supply and a 1.8V to 3.3V digital supply.
Dual 10-Bit Rx ADC
The ADC uses a seven-stage, fully differential, pipelined
architecture that allows for high-speed conversion while
minimizing power consumption. Samples taken at the
inputs move progressively through the pipeline stages
every half clock cycle. Including the delay through the
output latch, the total clock-cycle latency is 5 clock
cycles for channel IA and 5.5 clock cycles for channel
QA. The ADC full-scale analog input range is ±V
REF
with a V
DD
/ 2 (±0.8V) common-mode input range. V
REF
is the difference between V
REFP
and V
REFN
. See the
Reference Configurations section for details.
Input Track-and-Hold (T/H) Circuits
Figure 1 displays a simplified diagram of the Rx ADC
input track-and-hold (T/H) circuitry. Both ADC inputs
(IAP, QAP, IAN, and QAN) can be driven either differen-
tially or single-ended. Match the impedance of IAP and
S3b
S3a
COM
S5b
S5a
QAP
QAN
S1
OUT
OUT
C2a
C2b
S4c
S4a
S4b
C1b
C1a
INTERNAL
BIAS
INTERNAL
BIAS
COM
HOLD
HOLD
CLK
INTERNAL
NONOVERLAPPING
CLOCK SIGNALS
TRACK
TRACK
S2a
S2b
S3b
S3a
COM
S5b
S5a
IAP
IAN
S1
OUT
OUT
C2a
C2b
S4c
S4a
S4b
C1b
C1a
INTERNAL
BIAS
INTERNAL
BIAS
COM
S2a
S2b
MAX19713
MICROWIRE is a trademark of National Semiconductor Corp.
SPI is a trademark of Motorola, Inc.
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| MAX19713C/D+GG3 | 功能描述:ADC / DAC多通道 Ultra-Low Power AFE with Integrated Tx DACs Rx ADCs and Auxiliary Control Data Converters 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 |
| MAX19713C/D-GG3 | 功能描述:ADC / DAC多通道 10-Bit 45Msps Full-Duplex 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 |
| MAX19713ETN | 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 |
| MAX19713ETN+ | 功能描述:ADC / DAC多通道 45Msps CODEC/AFE Full Duplex 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 |
| MAX19713ETN+GH7 | 功能描述:ADC / DAC多通道 10-Bit 45Msps Full-Duplex 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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