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參數(shù)資料
| 型號： | MAX19706ETM+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/37頁 |
| 文件大小： | 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)： | 4 |
| 功率（瓦特）： | 49.5mW |
| 電壓 - 電源，模擬： | 2.7 V ~ 3.3 V |
| 電壓 - 電源，數(shù)字： | 1.8 V ~ 3.3 V |
| 封裝/外殼： | 48-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 48-TQFN-EP（7x7） |
| 包裝： | 帶卷 (TR) |
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General Description
The MAX19706 is an ultra-low-power, mixed-signal ana-
log front-end (AFE) designed for power-sensitive com-
munication equipment. Optimized for high dynamic
performance at ultra-low power, the device integrates a
dual, 10-bit, 22Msps receive (Rx) ADC; dual, 10-bit,
22Msps transmit (Tx) DAC; three fast-settling 12-bit aux-
DAC channels for ancillary RF front-end control; and a
10-bit, 333ksps housekeeping aux-ADC. The typical
operating power in Tx-Rx FAST mode is 49.5mW at a
22MHz clock frequency.
The Rx ADCs feature 54.6dB SNR and 75.6dBc SFDR at
a 5.5MHz input frequency with a 22MHz clock frequen-
cy. The analog I/Q input amplifiers are fully differential
and accept 1.024VP-P full-scale signals. Typical I/Q
channel matching is ±0.12° phase and ±0.01dB gain.
The Tx DACs feature 72.6dBc SFDR at fOUT = 2.2MHz
and fCLK = 22MHz. The analog I/Q full-scale output volt-
age is ±400mV differential. The Tx DAC common-mode
DC level is programmable from 0.9V to 1.35V. The I/Q
channel offset is adjustable. The typical I/Q channel
matching is ±0.02dB gain and ±0.1° phase.
The Rx ADC and Tx DAC share a single, 10-bit parallel,
high-speed digital bus allowing half-duplex operation for
time-division duplex (TDD) applications. A 3-wire serial
interface controls power-management modes, the aux-
DAC channels, and the aux-ADC channels.
The MAX19706 operates on a single +2.7V to +3.3V ana-
log supply and +1.8V to +3.3V digital I/O supply. The
MAX19706 is specified for the extended (-40°C to +85°C)
temperature range and is available in a 48-pin, thin QFN
package. The Selector Guide at the end of the data sheet
lists other pin-compatible versions in this AFE family.
Applications
WiMAX(SM) and Wi-Bro CPEs
802.11a/b/g WLAN
VoIP Terminals
Portable Communication Equipment
WiMAX is a service mark of Bandwidth.com, Inc.
Features
Dual, 10-Bit, 22Msps Rx ADC and Dual, 10-Bit,
22Msps Tx DAC
Ultra-Low Power
49.5mW at fCLK = 22MHz, Fast Mode
39.3mW at fCLK = 22MHz, Slow Mode
Low-Current Standby and Shutdown Modes
Programmable Tx DAC Common-Mode DC Level
and I/Q Offset Trim
Excellent Dynamic Performance
SNR = 54.6dB at fIN = 5.5MHz (Rx ADC)
SFDR = 72.6dBc at fOUT = 2.2MHz (Tx DAC)
Three 12-Bit, 1s Aux-DACs
10-Bit, 333ksps Aux-ADC with 4:1 Input Mux and
Data Averaging Mode
Excellent Gain/Phase Match
±0.12° Phase, ±0.01dB Gain (Rx ADC) at
fIN = 5.5MHz
Multiplexed Parallel Digital I/O
Serial-Interface Control
Versatile Power-Control Circuits
Shutdown, Standby, Idle, Tx/Rx Disable
Miniature 48-Pin Thin QFN Package
(7mm x 7mm x 0.8mm)
MAX19706
10-Bit, 22Msps, Ultra-Low-Power
Analog Front-End
________________________________________________________________ Maxim Integrated Products
1
19-3867; Rev 0; 10/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
EVALUATION
KIT
AVAILABLE
Ordering Information
PART*
PIN-PACKAGE
PKG CODE
MAX19706ETM
48 Thin QFN-EP**
T4877-4
MAX19706ETM+
48 Thin QFN-EP**
T4877-4
*All devices are specified over the -40°C to +85°C operating
range.
**EP = Exposed paddle.
+Denotes lead-free package.
D9
D8
D6
OVDD
D4
D3
D2
D0
D1
OGND
D5
D7
VDD
IDN
IDP
GND
VDD
QDN
QDP
REFN
EXPOSED PADDLE (GND)
REFIN
DAC1
COM
DAC2
37
38
39
40
41
42
43
44
45
46
47
48
12
34
5
67
89
10
24
23
22
21
20
19
18
17
16
15
14
13
ADC1
ADC2
V
DD
GND
V
DD
CS
SCLK
DIN
T/R
SHDN
DOUT
DAC3
THIN QFN
MAX19706
TOP VIEW
REFP
V
DD
IAP
IAN
GND
CLK
GND
V
DD
QAN
QAP
V
DD
GND
11 12
36 35 34 33 32 31 30 29 28 27 26 25
Pin Configuration
Functional Diagram and Selector Guide appear at end of
data sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX19706EVCMOD2 | 功能描述:ADC / DAC多通道 Evaluation System for the MAX19706 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 |
| MAX19706EVCMODU | 功能描述:ADC / DAC多通道 Evaluation System for the MAX19706 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 |
| MAX19706EVKIT | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Evaluation Kit for the MAX19705 MAX19706 MAX19707 MAX19708 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| MAX19707ETM | 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 |
| MAX19707ETM+ | 功能描述:ADC / DAC多通道 45Msps 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 |
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