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参数资料
| 型号： | MAX1198ECM+D |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/22页 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT 100MSPS DUAL 48-TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 250 |
| 位数： | 8 |
| 采样率（每秒）： | 100M |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 314mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-TQFP 裸露焊盘 |
| 供应商设备封装： | 48-TQFP 裸露焊盘（7x7） |
| 包装： | 托盘 |
| 输入数目和类型： | 4 个单端，双极；2 个差分，双极 |
| 产品目录页面： | 1396 (CN2011-ZH PDF) |
MAX1198
requirements. A reduced signal swing from the input
driver, such as an op amp, can also improve the overall
distortion.
In general, the MAX1198 provides better SFDR and
THD with fully differential input signals than single-
ended drive, especially for very high input frequencies.
In differential input mode, even-order harmonics are
lower as both inputs (INA+, INA- and/or INB+, INB-) are
balanced, and each of the ADC inputs only requires half
the signal swing compared to single-ended mode.
Single-Ended AC-Coupled Input Signal
Figure 7 shows an AC-coupled, single-ended applica-
tion. Amplifiers like the MAX4108 provide high speed,
high bandwidth, low noise, and low distortion to main-
tain the integrity of the input signal.
Buffered External Reference Drives
Multiple ADCs
Multiple-converter systems based on the MAX1198 are
well suited for use with a common reference voltage.
The REFIN pin of those converters can be connected
directly to an external reference source.
A precision bandgap reference like the MAX6062 gen-
erates an external DC level of 2.048V (Figure 8), and
exhibits a noise-voltage density of 150nV/
√Hz. Its out-
put passes through a 1-pole lowpass filter (with 10Hz
cutoff frequency) to the MAX4250, which buffers the
reference before its output is applied to a second 10Hz
lowpass filter. The MAX4250 provides a low offset volt-
age (for high gain accuracy) and a low noise level. The
passive 10Hz filter following the buffer attenuates noise
produced in the voltage reference and buffer stages.
This filtered noise density, which decreases for higher
frequencies, meets the noise levels specified for preci-
sion ADC operation.
Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC
with Internal Reference and Parallel Outputs
16
______________________________________________________________________________________
MAX1198
T1
N.C.
VIN
6
1
5
2
4
3
22pF
0.1
F
0.1
F
2.2
F
25
25
MINICIRCUITS
TT1–6-KK81
T1
N.C.
VIN
6
1
5
2
4
3
22pF
0.1
F
0.1
F
2.2
F
25
25
MINICIRCUITS
TT1-6-KK81
INA-
INA+
INB-
INB+
COM
MAX1198
0.1
F
1k
1k
100
100
CIN
22pF
CIN
22pF
INB+
INB-
COM
INA+
INA-
0.1
F
RISO
50
RISO
50
REFP
REFN
VIN
MAX4108
0.1
F
1k
1k
100
100
CIN
22pF
CIN
22pF
0.1
F
RISO
50
RISO
50
REFP
REFN
VIN
MAX4108
Figure 6. Transformer-Coupled Input Drive
Figure 7. Using an Op Amp for Single-Ended, AC-Coupled
Input Drive
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1198ECM-TD | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1198EVKIT | 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 |
| MAX11G | 制造商:Aavid Thermalloy 功能描述:METALIC HEAT SINK CLIP |
| MAX11NG | 功能描述:散热片 MaxClip TO220/Max220 9lb 24.7x12mm RoHS:否 制造商:Ampro By ADLINK 产品:Heat Sink Accessories 安装风格:Through Hole 散热片材料: 散热片样式: 热阻: 长度: 宽度: 高度: 设计目的:Express-HRR |
| MAX12 | 制造商:Aavid Thermalloy 功能描述:CBL ACC LOW FORCE CLIP - Bulk 制造商:Lanzar 功能描述:4Ohm 1000W Peak 12 Paper Cone Woofer 制造商:LANZAR 功能描述:12 PAPER CONE WOOFER 4OHM 1000W PEAK 制造商:Aavid Thermalloy 功能描述:Thrml Mgmt Access Heat Sink Clip |
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