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參數(shù)資料
| 型號： | MAX19708ETM+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/37頁 |
| 文件大小： | 0K |
| 描述： | IC ANLG FRONT END 11MSPS 48-TQFN |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 43 |
| 位數(shù)： | 10 |
| 通道數(shù)： | 4 |
| 功率（瓦特）： | 36.9mW |
| 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 |
| 供應商設備封裝： | 48-TQFN-EP（7x7） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1398 (CN2011-ZH PDF) |
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MAX19708
10-Bit, 11Msps, Ultra-Low-Power
Analog Front-End
______________________________________________________________________________________
15
PIN
NAME
FUNCTION
10
QAP
Channel-QA Positive Analog Input. For single-ended operation, connect signal source to QAP.
13–18, 21–24
D0–D9
Digital I/O. Outputs for receive ADC in Rx mode. Inputs for transmit DAC in Tx mode. D9 is the most
significant bit (MSB) and D0 is the least significant bit (LSB).
19
OGND
Output-Driver Ground
20
OVDD
Output-Driver Power Supply. Supply range from +1.8V to VDD. Bypass OVDD to OGND with a
combination of a 2.2F capacitor in parallel with a 0.1F capacitor.
25
SHDN
Active-Low Shutdown Input. Apply logic-low to place the MAX19708 in shutdown.
26
DOUT
Aux-ADC Digital Output
27
T/
R
Transmit- or Receive-Mode Select Input. T/
R logic-low input sets the device in receive mode. A
logic-high input sets the device in transmit mode.
28
DIN
3-Wire Serial-Interface Data Input. Data is latched on the rising edge of the SCLK.
29
SCLK
3-Wire Serial-Interface Clock Input
30
CS
3-Wire Serial-Interface Chip-Select Input. Logic-low enables the serial interface.
34
ADC2
Analog Input for Auxiliary ADC
35
ADC1
Analog Input for Auxiliary ADC
36
DAC3
Analog Output for Auxiliary DAC3
37
DAC2
Analog Output for Auxiliary DAC2
38
DAC1
Analog Output for Auxiliary DAC1 (AFC DAC, VOUT = 1.1V During Power-Up)
40, 41
IDN, IDP
Tx Path Channel-ID Differential Voltage Output
44, 45
QDN, QDP
Tx Path Channel-QD Differential Voltage Output
46
REFIN
Reference Input. Connect to VDD for internal reference.
47
COM
Common-Mode Voltage I/O. Bypass COM to GND with a 0.33F capacitor.
48
REFN
Negative Reference I/O. Rx ADC conversion range is ±(VREFP - VREFN). Bypass REFN to GND with a
0.1F capacitor.
—
EP
Exposed Paddle. Exposed paddle is internally connected to GND. Connect EP to the GND plane.
Pin Description (continued)
SPI is a trademark of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Detailed Description
The MAX19708 integrates a dual, 10-bit Rx ADC and a
dual, 10-bit Tx DAC with TD-SCDMA baseband filters
while providing ultra-low power and high dynamic per-
formance at 11Msps conversion rate. The Rx ADC ana-
log input amplifiers are fully differential and accept
1.024VP-P full-scale signals. The Tx DAC analog out-
puts are fully differential with ±410mV or ±500mV full-
scale output, selectable common-mode DC level, and
adjustable I/Q offset trim.
The MAX19708 integrates three 12-bit auxiliary DAC
(aux-DAC) channels and a 10-bit, 333ksps auxiliary
ADC (aux-ADC) with 4:1 input multiplexer. The aux-DAC
channels feature 1s settling time for fast AGC, VGA,
and AFC level setting. The aux-ADC features data aver-
aging to reduce processor overhead and a selectable
clock-divider to program the conversion rate.
The MAX19708 includes a 3-wire serial interface to
control operating modes and power management. The
serial interface is SPI and MICROWIRE compatible.
The MAX19708 serial interface selects shutdown, idle,
standby, transmit (Tx), and receive (Rx) modes, as well
as controlling aux-DAC and aux-ADC channels.
The Rx ADC and Tx DAC share a common digital I/O to
reduce the digital interface to a single 10-bit parallel
multiplexed bus. The 10-bit digital bus operates on a
single +1.8V to +3.3V supply.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX19708ETM+ | 功能描述:ADC / DAC多通道 11Msps CODEC/AFE 1.8/2.7-3.3V RoHS:否 制造商:Texas Instruments 轉換速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708ETM+T | 功能描述:ADC / DAC多通道 11Msps CODEC/AFE 1.8/2.7-3.3V RoHS:否 制造商:Texas Instruments 轉換速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708ETM-T | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉換速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708EVCMOD2 | 功能描述:ADC / DAC多通道 Maxim Evaluation System RoHS:否 制造商:Texas Instruments 轉換速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708EVCMODU | 功能描述:ADC / DAC多通道 10-bit 11Msps Ultra-Low-Power Analog Front-End RoHS:否 制造商:Texas Instruments 轉換速率: 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
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