參數(shù)資料
型號(hào): MAX1142ACAP+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14BIT 200KSPS 20-SSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 14
采樣率(每秒): 200k
數(shù)據(jù)接口: MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 640mW
電壓電源: 模擬和數(shù)字
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 20-SSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極;1 個(gè)單端,雙極
MAX1142/MAX1143
14-Bit ADC, 200ksps, +5V Single-Supply
with Reference
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +5V ±5%, fSCLK = 4.8MHz, external clock (50% duty cycle), 24 clocks/conversion (200ksps), bipolar input, external
VREF = +4.096V, VREFADJ = AVDD, CREF = 2.2F, CCREF = 1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Unipolar
7.5
10.0
MAX1142
Bipolar
5.9
7.9
Unipolar
100
1000
Input Impedance
MAX1143
Bipolar
3.4
4.5
k
Input Capacitance
32
pF
CONVERSION RATE
Internal Clock Frequency
4
MHz
Aperture Delay
tAD
10
ns
Aperture Jitter
tAJ
50
ps
MODE 1 (24 External Clock Cycles per Conversion)
Unipolar
0.1
3
External Clock Frequency
fSCLK
Bipolar
0.1
4.8
MHz
Unipolar
4.17
125
Sample Rate
fS = fSCLK /24
Bipolar
4.17
200
ksps
Unipolar
8
240
Conversion Time (Note 4)
tCONV+ACQ =
24 / fSCLK
Bipolar
5
240
s
MODE 2 (Internal Clock Mode)
External Clock Frequency
(Data Transfer Only)
8
MHz
Conversion Time
SSTRB Low Pulse Width
4
6
s
Unipolar
1.82
Acquisition Time
Bipolar
1.14
s
MODE 3 (32 External Clock Cycles per Conversion)
External Clock Frequency
fSCLK
Unipolar or Bipolar
0.1
4.8
MHz
Sample Rate
fS = fSCLK /32
Unipolar or Bipolar
3.125
150
ksps
Conversion Time (Note 4)
tCONV+ACQ =
32 / fSCLK
Unipolar or Bipolar
6.67
320
s
INTERNAL REFERENCE
Output Voltage
VREF
4.056
4.096
4.136
V
REF Short Circuit Current
24
mA
Output Tempco
±20
ppm/
oC
Capacitive Bypass at REF
0.47
10
F
Maximum Capacitive Bypass at
REFADJ
10
F
REFADJ Output Voltage
4.096
V
REFADJ Input Range
For small adjustments from 4.096V
±100
mV
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