参数资料
型号: MAX19708ETM+
厂商: Maxim Integrated Products
文件页数: 10/37页
文件大小: 0K
描述: IC ANLG FRONT END 11MSPS 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 43
位数: 10
通道数: 4
功率(瓦特): 36.9mW
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: 管件
产品目录页面: 1398 (CN2011-ZH PDF)
MAX19708
10-Bit, 11Msps, Ultra-Low-Power
Analog Front-End
18
______________________________________________________________________________________
Figure 3. Rx ADC System Timing Diagram
tDOQ
tCL
tCH
tCLK
tDOI
5 CLOCK-CYCLE LATENCY (CHI)
5.5 CLOCK-CYCLE LATENCY (CHQ)
D0–D9
D0Q
D1I
D1Q
D2I
D2Q
D3I
D3Q
D4I
D4Q
D5I
D5Q
D6I
D6Q
CHI
CHQ
CLK
Table 2. Tx Path Output Voltage vs. Input Codes
(Internal Reference Mode VREFDAC = 1.024V, External Reference Mode VREFDAC = VREFIN; VFS = 410 for 820mVP-P
Full Scale and VFS = 500 for 1VP-P Full Scale)
DIFFERENTIAL OUTPUT VOLTAGE (V)
OFFSET BINARY (D0–D9)
INPUT DECIMAL CODE
11 1111 1111
1023
11 1111 1110
1022
10 0000 0001
513
10 0000 0000
512
01 1111 1111
511
00 0000 0001
1
00 0000 0000
0
V
FS
REFDAC
1024
1023
()
×
V
FS
REFDAC
1024
1021
1023
()
×
V
FS
REFDAC
1024
3
1023
()
×
V
FS
REFDAC
1024
1
1023
()
×
V
FS
REFDAC
1024
1
1023
()
×
V
FS
REFDAC
1024
1021
1023
()
×
V
FS
REFDAC
1024
1023
()
×
Dual 10-Bit Tx DAC and Transmit Path
The dual 10-bit digital-to-analog converters (Tx DAC)
operate with clock speeds up to 11MHz. The Tx DAC
digital inputs, D0–D9, are multiplexed on a single 10-bit
bus. The voltage reference determines the Tx path full-
scale voltage at IDP, IDN and QDP, QDN analog out-
puts. See the Reference Configurations section for
setting reference voltage. Each Tx path output channel
integrates a lowpass filter tuned to meet the TD-SCDMA
spectral mask requirements.
The TD-SCDMA filters are tuned for 1.32MHz cutoff fre-
quency and > 55dB image rejection at fIMAGE =
4.32MHz, fOUT = 800kHz, and fCLK = 5.12MHz. See
Figure 4 for an illustration of the filter frequency response.
Buffer amplifiers follow the TD-SCDMA filters. The amplifi-
er outputs (IDN, IDP, QDN, QDP) are biased at an
adjustable common-mode DC level and designed to
drive a differential input stage with
≥ 70kΩ input imped-
ance. This simplifies the analog interface between RF
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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 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
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 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
MAX19708ETM-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
MAX19708EVCMOD2 功能描述:ADC / DAC多通道 Maxim Evaluation System 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
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 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