参数资料
型号: MAX1282BEUE+
厂商: Maxim Integrated Products
文件页数: 19/23页
文件大小: 0K
描述: IC ADC 12BIT 400KSPS 16-TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 96
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): 13.75mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
输入数目和类型: 4 个单端,单极;4 个单端,双极;2 个伪差分,单极;2 个伪差分,双极
产品目录页面: 1396 (CN2011-ZH PDF)
MAX1282/MAX1283
300ksps/400ksps, Single-Supply, 4-Channel,
Serial 12-Bit ADCs with Internal Reference
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS—MAX1283 (continued)
(VDD1 = VDD2 = +2.7V to +3.6V, COM = GND, fOSC = 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), external
+2.5V at REF, REFADJ = VDD1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Normal operating mode
CONDITIONS
MHz
0.5
4.8
fSCLK
Serial Clock Frequency
ps
<50
Aperture Jitter
ns
10
Aperture Delay
ns
625
tACQ
Track/Hold Acquisition Time
s
3.3
tCONV
Conversion Time (Note 5)
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
To power down the internal reference
For small adjustments, from 1.22V
0 to 0.75mA output load
On/off leakage current, VCH_ = 0 or VDD1
TA = +25°C
Bipolar, VCOM or VCH_ = VREF/2,
referenced to COM or CH_
Unipolar, VCOM = 0
V/V
2.05
Buffer Voltage Gain
V
1.4
VDD1 - 1.0
REFADJ Buffer Disable
Threshold
mV
±100
REFADJ Input Range
V
1.22
REFADJ Output Voltage
F
0.01
10
Capacitive Bypass at REFADJ
F
4.7
10
Capacitive Bypass at REF
mV/mA
0.1
2.0
Load Regulation (Note 7)
ppm/°C
±15
TC VREF
REF Output Temperature
Coefficient
mA
15
REF Short-Circuit Current
V
2.480
2.500
2.520
VREF
REF Output Voltage
pF
18
Input Capacitance
A
±0.001
±1
Multiplexer Leakage Current
±VREF/2
%
40
60
Duty Cycle
V
VREF
VCH_
Input Voltage Range, Single
Ended and Differential (Note 6)
VIN = 0 or VDD2
In full power-down mode, fSCLK = 0
VREF = 2.500V, fSCLK = 0
VREF = 2.500V, fSCLK = fMAX
(Note 8)
pF
15
CIN
Input Capacitance
A
±1
IIN
Input Leakage
V
0.2
VHYST
Input Hysteresis
V
0.8
VINL
Input Low Voltage
V
2.0
VINH
Input High Voltage
5
REF Input Current
320
A
200
350
V
1.0
VDD1 +
50mV
REF Input Voltage Range
V/V
2.05
Buffer Voltage Gain
CONVERSION RATE
ANALOG INPUTS (CH3–CH0, COM)
INTERNAL REFERENCE
EXTERNAL REFERENCE (reference buffer disabled, reference applied to REF)
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
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