参数资料
型号: MAX1185ECM/V+
厂商: Maxim Integrated Products
文件页数: 18/21页
文件大小: 0K
描述: IC ADC 10BIT 20MSPS DL LP 48TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 250
位数: 10
采样率(每秒): 20M
转换器数目: 2
功率耗散(最大): 2.43W
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,单极;4 个单端,双极;2 个差分,单极;2 个差分,双极
MAX1185
Dual 10-Bit, 20Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
6
_______________________________________________________________________________________
Typical Operating Characteristics
(VDD = 3V, OVDD = 2.5V, VREFIN = 2.048V, differential input at -0.5dBFS, fCLK = 20MHz, CL
≈ 10pF, TA = +25°C, unless otherwise noted.)
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
02
3
4
15
6
7
9
810
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1185
toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
CHA
fCLK = 20.0005678MHz
fINA = 5.9742906MHz
fINB = 7.5343935MHz
AINA = -0.525dBFS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
234
15
6
7
9
810
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1185
toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
CHB
fCLK = 20.0005678MHz
fINA = 5.9742906MHz
fINB = 7.5243935MHz
AINA = -0.462dBFS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
234
1
567
9
810
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1185
toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
CHA
fCLK = 20.0005678MHz
fINA = 7.5343935MHz
fINB = 11.9852035MHz
AINA = -0.489dBFS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
02
3
4
1
567
9
810
FFT PLOT CHB (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1185
toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
CHB
fCLK = 20.0005678MHz
fINA = 7.5343935MHz
fINB = 11.9852035MHz
AINA = -0.471dBFS
HD3
HD2
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
234
1
567
9
810
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1185
toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
IM2
IM3
fCLK = 20.0005678MHz
fIN1 = 11.9852035MHz
fIN2 = 12.8934324MHz
AIN = -6.5dBFS
fIN2
fIN1
57
56
55
59
58
60
61
0
5
10
15
20
25
30
35
40
45
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX1185
toc06
ANALOG INPUT FREQUENCY (MHz)
SNR
(dB)
CHA
CHB
62
60
58
54
56
0
5
10
15
20
25
30
35
40
45
SIGNAL-TO-NOISE AND DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1185
toc07
ANALOG INPUT FREQUENCY (MHz)
SINAD
(dB)
CHB
CHA
-72
-76
-80
-68
-64
-60
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1185
toc08
ANALOG INPUT FREQUENCY (MHz)
THD
(dBc)
0
5
10
15
20
25
30
35
40
45
CHA
CHB
60
64
72
68
76
80
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
MAX1185
toc09
ANALOG INPUT FREQUENCY (MHz)
SFDR
(dBc)
0
5
10
15
20
25
30
35
40
45
CHA
CHB
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MAX1186ECM+D 功能描述:模数转换器 - ADC 10-Bit 2Ch 40Msps High Speed 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
MAX1186ECM+TD 功能描述:模数转换器 - ADC 10-Bit 2Ch 40Msps High Speed 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
MAX1186ECM-D 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
MAX1186ECM-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