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參數(shù)資料
| 型號(hào)： | MAX1148BEUP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 19/25頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 116KSPS 20-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 116k |
| 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）： | 879mW |
| 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-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 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 |
MAX1146–MAX1149
Multichannel, True-Differential,
Serial, 14-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 5V (MAX1146/MAX1148), VDD = 3.3V (MAX1147/MAX1149), SHDN = VDD, VCOM = 0, fSCLK = 2.1MHz, external clock (50%
duty cycle), 18 clocks/conversion (116ksps), VREFADJ = VDD, CREF = 2.2F, external +4.096V reference at REF (MAX1146/
MAX1148), external 2.500V reference at REF (MAX1147/MAX1149), TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
18 clocks/conversion
60.3
Internal clock mode,
fSCLK = 2.1MHz
24 clocks/conversion
51.5
18 clocks/conversion
116.66
Throughput Rate
fSAMPLE
External clock mode,
fSCLK = 2.1MHz
24 clocks/conversion
87.50
ksps
T/H Acquisition Time
tACQ
1.4
s
Aperture Delay
tAD
20
ns
Aperture Jitter
tAJ
<50
ps
External clock mode
0.1
2.1
Serial Clock Frequency
fSCLK
Internal clock mode
0
2.1
MHz
Internal Clock Frequency
2.1
MHz
ANALOG INPUTS (CH0–CH7, COM)
Unipolar, COM = 0
0
VREF
Input Voltage Range, Single-
Ended and Differential (Note 6)
Bipolar, COM = VREF / 2, single-ended
±VREF / 2
V
Multiplexer Leakage Current
On/off-leakage current, VCH_ = 0 to VDD
±0.01
±1
A
Input Capacitance
18
pF
INTERNAL REFERENCE (CREF = 2.2F, CREFADJ = 0.01F)
MAX1147/MAX1149, TA = +25°C
2.480
2.500
2.520
REF Output Voltage
VREF
MAX1146/MAX1148, TA = +25°C
4.076
4.096
4.116
V
REF Short-Circuit Current
IREFSC
REF = DGND
20
mA
MAX114_ BC _ _
±30
±50
VREF Tempco (Note 7)
MAX114_ BE _ _
±40
±60
ppm/°C
Load Regulation
0 to 0.2mA output load (Note 8)
2.0
mV
Capacitive Bypass at REF
2F
Capacitive Bypass at REFADJ
0.01
F
REFADJ Output Voltage
1.250
V
REFADJ Input Range
±18
mV
REFADJ Logic High
Pull REFADJ high to disable the internal
bandgap reference and reference buffer
VDD -
0.25V
V
MAX1147/MAX1149
2.000
Reference Buffer Voltage Gain
MAX1146/MAX1148
3.277
V/V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1148CGP | 制造商:Maxim Integrated Products 功能描述:MULTICHANNEL, TRUE-DIFFERENTIAL, SERIAL, 14-B - Rail/Tube |
| MAX1148CUP | 制造商:Maxim Integrated Products 功能描述:MULTICHANNEL, TRUE-DIFFERENTIAL, SERIAL, 14-B - Rail/Tube |
| MAX1148EGP | 制造商:Maxim Integrated Products 功能描述:MULTICHANNEL, TRUE-DIFFERENTIAL, SERIAL, 14-B - Rail/Tube |
| MAX1148EUP | 制造商:Maxim Integrated Products 功能描述:MULTICHANNEL, TRUE-DIFFERENTIAL, SERIAL, 14-B - Rail/Tube |
| MAX1149 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Multichannel, True-Differential, Serial, 14-Bit ADCs |
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