参数资料
型号: MAX1231ACEG+T
厂商: Maxim Integrated Products
文件页数: 18/22页
文件大小: 0K
描述: IC ADC 12BIT 300KSPS 24-QSOP
标准包装: 2,500
位数: 12
采样率(每秒): 300k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 762mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 带卷 (TR)
输入数目和类型: 16 个单端,单极;16 个单端,双极;8 个差分,单极;8 个差分,双极
MAX1227/MAX1229/MAX1231
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Externally clocked conversion
208
SCLK Clock Period
tCP
Data I/O
100
ns
SCLK Duty Cycle
tCH
40
60
%
SCLK Fall to DOUT Transition
tDOT
CLOAD = 30pF
40
ns
CS Rise to DOUT Disable
tDOD
CLOAD = 30pF
40
ns
CS Fall to DOUT Enable
tDOE
CLOAD = 30pF
40
ns
DIN to SCLK Rise Setup
tDS
40
ns
SCLK Rise to DIN Hold
tDH
0ns
C
S Rise-to-SCLK Rise Setup TimetCSS1
40
ns
C
S Fall-to-SCLK Hold Time
TCSH0
0ns
CKSEL = 00, CKSEL = 01 (temp sense)
40
ns
CNVST Pulse Width
tCSW
CKSEL = 01 (voltage conversion)
1.4
s
tTS
Temp sense
55
Voltage conversion
7
CS or CNVST Rise to EOC
Low (Note 10)
Reference power-up
65
s
TIMING CHARACTERISTICS (Figure 1)
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
0
1024
2048
3072
4096
INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX1227/29/31
toc01
OUTPUT CODE
INTEGRAL
NONLINEARITY
(LSB)
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
0
1024
2048
3072
4096
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX1227/29/31
toc02
OUTPUT CODE
DIFFERENTIAL
NONLINEARITY
(LSB)
SINAD vs. FREQUENCY
MAX1227/29/31
toc03
FREQUENCY (kHz)
AMPLITUDE
(dB)
100
10
1
10
20
40
30
60
50
90
80
70
100
0
0.1
1000
Typical Operating Characteristics
(VDD = +3V, VREF = +2.5V, fSCLK = 4.8MHz, CLOAD = 30pF, TA = +25°C, unless otherwise noted.)
Note 10: This time is defined as the number of clock cycles needed for conversion multiplied by the clock period. If the internal ref
erence needs to be powered up, the total time is additive. The internal reference is always used for temperature measure
ments.
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