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参数资料
| 型号： | MAX1383ATP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 1.25MSPS 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 1.25M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 85.5mW |
| 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： | 20-WQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个单端，单极；2 个单端，双极；1 个差分，单极；1 个差分，双极 |
MAX1377/MAX1379/MAX1383
Dual, 12-Bit, 1.25Msps Simultaneous-Sampling
ADCs with Serial Interface
10
______________________________________________________________________________________
MAX1379 FFT PLOT
MAX1377
toc19
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
fSAMPLE = 1.8Msps
fSCLK = 28.8MHz
fIN = 300kHz
SINAD = 70dB
SNR = 70.27dB
THD = -82.2dB
SFDR = 81.81dB
VREF = 4.096V
0
-20
-40
-60
-80
-100
-120
0
400
600
800
200
0
-20
-40
-60
-80
-100
-120
0
300
600
900
MAX1379 FFT PLOT
MAX1377
toc20
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
fSAMPLE = 1.8Msps
fSCLK = 28.8MHz
fIN = 500kHz
SINAD = 69.58dB
SNR = 69.75dB
THD = -83.79dB
SFDR = 84.69dB
VREF = 4.096V
MAX1379 TOTAL HARMONIC DISTORTION
vs. SOURCE IMPEDENCE
SOURCE IMPEDANCE (
)
TOTAL
HARMONIC
DISTORTION
(dBc)
100
-82
-84
-80
-78
-76
-74
-72
-86
10
1000
MAX1377
toc21
fIN = 500kHz
fIN = 100kHz
MAX1379 UNIPOLAR DNL
vs. DIGITAL OUTPUT CODE
M
AX1377
toc13
DIGITAL OUTPUT CODE
DNL
(LSB)
3072
2048
1024
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096
MAX1379 BIPOLAR DNL
vs. DIGITAL OUTPUT CODE
M
AX1377
toc14
DIGITAL OUTPUT CODE
DNL
(LSB)
3072
2048
1024
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096
-1.5
-1.2
-0.6
-0.9
-0.3
0
-40
10
-15
35
60
85
MAX1379 OFFSET ERROR
vs. TEMPERATURE
M
AX1377
toc15
TEMPERATURE (°C)
OFFSET
ERROR
(LSB)
CHANNEL 1
CHANNEL 2
0
0.4
1.2
0.8
1.6
2.0
-40
10
-15
35
60
85
MAX1379 GAIN ERROR
vs. TEMPERATURE
M
AX1377
toc16
TEMPERATURE (°C)
GAIN
ERROR
(LSB)
CHANNEL 2
CHANNEL 1
Typical Operating Characteristics (continued)
(VAVDD = 5V/3V, VL = 3V, fSCLK = 20MHz, TA = +25°C, unless otherwise noted.)
MAX1379 FFT PLOT
M
AX1377
toc17
ANALOG INPUT FREQUENCY (kHz)
A
M
PLITUDE
(dB)
fSAMPLE = 1.8Msps
fSCLK = 28.8MHz
fIN = 100kHz
SINAD = 70.43dB
SNR = 70.72dB
THD = -82.33dB
SFDR = 82.78dB
VREF = 4.096V
0
-20
-40
-60
-80
-100
-120
0
300
600
900
MAX1379 FFT PLOT
MAX1377
toc18
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
0
300
600
900
0
-20
-40
-60
-80
-100
-120
fSAMPLE = 1.8Msps
fSCLK = 28.8MHz
fIN = 250kHz
SINAD = 70.05dB
SNR = 70.32dB
THD = -82.35dB
SFDR = 83.22dB
VREF = 4.096V
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