參數(shù)資料
型號(hào): MAX147CEAP+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 18/24頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT SERIAL 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): 12
采樣率(每秒): 133k
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: 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(0.209",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: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)差分,單極;4 個(gè)差分,雙極
MAX146/MAX147
+2.7V, Low-Power, 8-Channel,
Serial 12-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V (MAX146); VDD = +2.7V to +5.25V (MAX147); COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15
clocks/conversion cycle (133ksps); MAX146—4.7F capacitor at VREF pin; MAX147—external reference, VREF = 2.500 V applied to
VREF pin; TA = TMIN to TMAX; unless otherwise noted.)
CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
s
1.5
tACQ
Track/Hold Acquisition Time
0.1
2.0
1.8
ns
MHz
SHDN = FLOAT
MHz
30
0.225
Aperture Delay
Internal Clock Frequency
SHDN = VDD
0
2.0
External Clock Frequency
Data transfer only
ps
<50
Aperture Jitter
On/off leakage current, VCH_ = 0V or VDD
Bipolar, COM = VREF / 2
Unipolar, COM = 0V
±0.01
±1
A
Input Voltage Range, Single-
Ended and Differential (Note 6)
±VREF / 2
V
0 to VREF
Multiplexer Leakage Current
REFADJ Adjustment Range
±1.5
%
Capacitive Bypass at REFADJ
0.047
F
External compensation mode
Capacitive Bypass at VREF
4.7
F
Internal compensation mode
0
0 to 0.2mA output load
Load Regulation (Note 7)
0.35
mV
MAX146_M
VREF Temperature Coefficient
±30
±80
ppm/°C
MAX146_E
±30
±60
MAX146_C
±30
±50
VREF Short-Circuit Current
30
mA
TA = +25°C
VREF Output Voltage
2.480
2.500
2.520
V
Input Capacitance
16
pF
VREF Input Voltage Range
(Note 8)
1.0
VDD +
50mV
V
External compensation mode
MAX146
4.7
Reference Buffer Gain
2.06
V/V
Internal compensation mode
Capacitive Bypass at VREF
0
F
REFADJ Buffer Disable Threshold
VDD -
0.5
V
VREF = 2.5V
VREF Input Current
100
150
A
VREF Input Resistance
18
25
k
Shutdown VREF Input Current
0.01
10
A
MAX147
MAX146
MAX147
REFADJ Input Current
2.00
±50
±10
A
ANALOG/COM INPUTS
INTERNAL REFERENCE (MAX146 only, reference buffer enabled)
EXTERNAL REFERENCE AT VREF (Buffer disabled)
EXTERNAL REFERENCE AT REFADJ
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