參數(shù)資料
型號(hào): MAX127ACAI+T
廠商: Maxim Integrated Products
文件頁數(shù): 11/16頁
文件大?。?/td> 0K
描述: IC DAS 12BIT 2-WIRE 28-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
類型: 數(shù)據(jù)采集系統(tǒng)(DAS),ADC
分辨率(位): 12 b
采樣率(每秒): 8k
數(shù)據(jù)接口: I²C,串行
電壓電源: 單電源
電源電壓: 4.75 V ~ 5.25 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 帶卷 (TR)
MAX127/MAX128
Multirange, +5V, 12-Bit DAS with
2-Wire Serial Interface
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7F at REF pin; external clock, fCLK = 400kHz;
TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)
V
2.4
4.18
Input Voltage Range
V
VDD - 0.5
REFADJ Threshold for
Buffer Disable
Normal or STANDBY power-down mode
k
10
Input Resistance
FULL power-down mode
5
M
External reference = 4.096V
CONDITIONS
FULL power-down mode
LSB
±0.1
±0.5
PSRR
Power-Supply Rejection Ratio
(Note 7)
s
V
4.75
5.25
VDD
Supply Voltage
6.0
7.7
10.0
tCONV
Conversion Time
120
220
Normal mode, bipolar ranges
700
850
Normal mode, unipolar ranges
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
STANDBY power-down mode (Note 6)
mA
18
IDD
Supply Current
6
10
A
Internal reference
±0.5
0.4
fCLK
External Clock Frequency Range
MHz
Power-up (Note 8)
s
200
Bandgap Reference
Start-Up Time
ksps
8
Throughput Rate
CIN
15
pF
(Note 4)
Input Leakage Current
IIN
±0.1
±10
A
VIN = 0 or VDD
Input Low Threshold Voltage
VIL
0.8
V
Input High Threshold Voltage
VIH
2.4
V
Input Capacitance
VHYS
0.2
V
Input Hysteresis
400
VREF =
4.18V
A
1
Input Current
FULL power-down mode
Normal, or STANDBY
power-down mode
To 0.1mV, REF bypass
capacitor fully discharged
ms
8
Reference Buffer Settling Time
POWER REQUIREMENTS
TIMING
REFERENCE INPUT (buffer disabled, reference input applied to REF)
DIGITAL INPUTS (SHDN, A2, A1, A0)
CREF = 4.7F
CREF = 33F
60
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