参数资料
型号: MAX1421CCM+D
厂商: Maxim Integrated Products
文件页数: 15/17页
文件大小: 0K
描述: IC ADC 12BIT 40MSPS 48LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 250
位数: 12
采样率(每秒): 40M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 214mW
电压电源: 模拟和数字
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
输入数目和类型: 1 个差分,双极
MAX1421
12-Bit, 40Msps, 3.3V, Low-Power ADC
with Internal Reference
Typical Operating Characteristics (continued)
(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage, fCLK = 40MHz (50% duty cycle), digital output
load CL = 10pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
64
68
76
72
80
84
-40
10
-15
35
60
85
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE
MAX1421
toc13
TEMPERATURE (
°C)
SFDR
(dBc)
fIN = 5.52MHz
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
02048
1024
3072
4096
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1421
toc17
DIGITAL OUTPUT CODE
INL
(LSB)
0.500
0.375
0.250
0.125
0
-0.125
-0.250
-0.375
-0.500
0
2048
1024
3072
4096
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1421
toc18
DIGITAL OUTPUT CODE
DNL
(LSB)
70
60
50
40
30
-40
10
-15
35
6085
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1421
toc20
TEMPERATURE (
°C)
I AVDD
(mA)
12
10
8
6
4
-40
10
-15
35
6085
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
MAX1421
toc21
TEMPERATURE (
°C)
I AVDD
(mA)
CL
≈ 10pF
60
62
66
64
68
70
-40
10
-15
35
60
85
SIGNAL-TO-NOISE PLUS DISTORTION
vs. TEMPERATURE
MAX1421
toc16
TEMPERATURE (
°C)
SINAD
(dB)
fIN = 5.52MHz
0.50
0.25
0
-0.25
-0.50
-40
10
-15
35
60
85
GAIN ERROR vs. TEMPERATURE, EXTERNAL
REFERENCE (VREFIN = 2.048V)
MAX1421
toc19
TEMPERATURE (
°C)
GAIN
ERROR
(%FSR)
60
62
66
64
68
70
-40
10
-15
35
60
85
SIGNAL-TO-NOISE RATIO
vs. TEMPERATURE
TEMPERATURE (
°C)
SNR
(dB)
fIN = 5.52MHz
MAX1421
toc14
-80
-78
-74
-76
-72
-70
-40
10
-15
35
60
85
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
MAX1421
toc15
TEMPERATURE (
°C)
THD
(dBc)
fIN = 5.52MHz
________________________________________________________________________________________
7
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
0
2048
1024
3072
4096
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1421
toc17
DIGITAL OUTPUT CODE
INL
(LSB)
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