参数资料
型号: MAX1231EVKIT
厂商: Maxim Integrated Products
文件页数: 16/22页
文件大小: 0K
描述: EVAL KIT FOR MAX1231
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
ADC 的数量: 1
位数: 12
采样率(每秒): 300k
数据接口: 串行
输入范围: ±VREF/2
在以下条件下的电源(标准): 1.86mW @ 300kSPS
工作温度: 0°C ~ 70°C
已用 IC / 零件: MAX1231
已供物品: 板,CD
MAX1227/MAX1229/MAX1231
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V, fSAMPLE = 300kHz, fSCLK = 4.8MHz (50% duty cycle), VREF = 2.5V, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CONVERSION RATE
External reference
0.8
Power-Up Time
tPU
Internal reference (Note 3)
65
s
Acquisition Time
tACQ
0.6
s
Internally clocked
3.5
Conversion Time
tCONV
Externally clocked (Note 4)
2.7
s
Externally clocked conversion
0.1
4.8
External Clock Frequency
fSCLK
Data I/O
10
MHz
SCLK Duty Cycle
40
60
%
Aperture Delay
30
ns
Aperture Jitter
<50
ps
ANALOG INPUT
Unipolar
0
VREF
Input Voltage Range
Bipolar (Note 5)
-VREF/2
VREF/2
V
Input Leakage Current
VIN = VDD
±0.01
±1
A
Input Capacitance
During acquisition time (Note 6)
24
pF
INTERNAL TEMPERATURE SENSOR
TA = +25
°C
±0.7
Measurement Error (Note 7)
TA = TMIN to TMAX
±1.2
±2.5
°C
Temperature Measurement Noise
0.4
°CRMS
Temperature Resolution
1/8
°C
Power-Supply Rejection
0.3
°C/V
INTERNAL REFERENCE
REF Output Voltage
2.48
2.50
2.52
V
REF Temperature Coefficient
TCREF
±30
ppm/°C
Output Resistance
6.5
k
REF Output Noise
200
VRMS
REF Power-Supply Rejection
PSRR
-70
dB
EXTERNAL REFERENCE INPUT
REF- Input Voltage Range
VREF-
0
500
mV
REF+ Input Voltage Range
VREF+
1.0
VDD + 50mV
V
VREF+ = 2.5V, fSAMPLE = 300ksps
40
100
REF+ Input Current
IREF+
VREF+ = 2.5V, fSAMPLE = 0
±0.1
±5
A
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