參數資料
型號: MAX1229BEEP+T
廠商: Maxim Integrated Products
文件頁數: 18/22頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 300KSPS 20-QSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
位數: 12
采樣率(每秒): 300k
數據接口: MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
功率耗散(最大): 727mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 20-QSOP
包裝: 帶卷 (TR)
輸入數目和類型: 12 個單端,單極;12 個單端,雙極;6 個差分,單極;6 個差分,雙極
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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