MAX1197
Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________
7
Typical Operating Characteristics
(VDD = 3V, OVDD = 3V, VREFIN = 2.048V, differential input at -1dB FS, fCLK = 40MHz, CL
≈ 10pF TA = +25°C, unless otherwise
noted.)
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT FREQUENCY
MAX1197
toc09
ANALOG INPUT FREQUENCY (MHz)
SFDR
(dBc)
160
120
80
40
50
60
70
80
90
40
0
200
CHA
CHB
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1197
toc08
ANALOG INPUT FREQUENCY (MHz)
THD
(dBc)
160
120
80
40
-80
-70
-60
-50
-40
-90
0
200
CHA
CHB
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1197
toc07
ANALOG INPUT FREQUENCY (MHz)
SINAD
(dB)
160
120
80
40
46
47
48
49
50
45
0
200
CHA
CHB
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX1197
toc06
ANALOG INPUT FREQUENCY (MHz)
SNR
(dB)
160
120
80
40
46
47
48
49
50
45
0
200
CHA
CHB
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1197
toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
14
12
13
8
9
10
11
7
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
6
fIN1
fIN2
fCLK = 60.00640MHz
fIN1 = 9.969325MHz
fIN2 = 10.013275MHz
AIN = -7dB FS
COHERENT SAMPLING
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1197
toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
4.5
4.0
3.0 3.5
1.0 1.5 2.0 2.5
0.5
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
05.0
fIN1
fIN2
fCLK = 60.00640MHz
fIN1 = 1.985075MHz
fIN2 = 2.029025MHz
AIN = -7dB FS
COHERENT SAMPLING
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1197
toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
25
510
15
20
030
fCLK = 60.056789MHz
fINA = 114.974441MHz
fINB = 99.945816MHz
AIN = -1dB FS
COHERENT SAMPLING
fINA
HD2
HD3
fINB
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1197
toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
25
510
15
20
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
030
fINA
HD2
HD3
fINB
fCLK = 60.056789MHz
fINA = 29.859778MHz
fINB = 19.9333995MHz
AIN = -1dB FS
COHERENT SAMPLING
FFT PLOT CHA (DIFFERENTIAL INPUT,
8192-POINT DATA RECORD)
MAX1197
toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE
(dB)
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
fINA
HD2
25
20
15
10
5
030
fCLK = 60.056789MHz
fINA = 7.4851051MHz
fINB = 19.9333995MHz
AIN = -1dB FS
COHERENT SAMPLING
fINB
HD3
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MAX1198E/D 功能描述:模数转换器 - ADC DICE SALES DICE 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
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