參數(shù)資料
型號(hào): MAX1149BCUP+
廠商: Maxim Integrated Products
文件頁數(shù): 24/25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: 74
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: 0°C ~ 70°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: 管件
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
8
_______________________________________________________________________________________
REFERENCE VOLTAGE vs. SUPPLY VOLTAGE
(MAX1146/MAX1148)
MAX1146
toc10
SUPPLY VOLTAGE (V)
REFERENCE
VOLTAGE
(V)
5.15
5.05
4.85
4.95
4.0945
4.0950
4.0955
4.0960
4.0965
4.0970
4.0975
4.0980
4.0940
4.75
5.25
REFERENCE VOLTAGE vs. SUPPLY VOLTAGE
(MAX1147/MAX1149)
MAX1146
toc11
SUPPLY VOLTAGE (V)
REFERENCE
VOLTAGE
(V)
3.3
3.0
2.4985
2.4990
2.4995
2.5000
2.5005
2.5010
2.5015
2.5020
2.4980
2.7
3.6
REFERENCE VOLTAGE vs. TEMPERATURE
(MAX1146/MAX1148)
MAX1146
toc12
TEMPERATURE (
°C)
REFERENCE
VOLTAGE
(V)
60
35
10
-15
4.091
4.092
4.093
4.094
4.095
4.096
4.097
4.098
4.099
4.100
4.090
-40
85
REFERENCE VOLTAGE vs. TEMPERATURE
(MAX1147/MAX1149)
MAX1146
toc13
TEMPERATURE (
°C)
REFERENCE
VOLTAGE
(V)
60
35
10
-15
2.498
2.499
2.500
2.501
2.502
2.503
2.497
-40
85
REFERENCE BUFFER POWER-UP DELAY
vs. TIME IN SHUTDOWN
MAX1146
toc14
TIME IN SHUTDOWN (s)
DELAY
(
s)
1
0.1
0.01
500
1000
1500
2000
2500
0
0.001
10
CREF = 4.7
F
CREFADJ = 0.01
F
FFT PLOT
MAX1146
toc15
FREQUENCY (Hz)
AMPLITUDE
(dB)
5000
4000
3000
2000
1000
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
20
-120
0
fIN = 1kHz
fSAMPLE = 116ksps
VDD = 5V/3V
EFFECTIVE NUMBER OF BITS
vs. FREQUENCY
MAX1146
toc16
FREQUENCY (kHz)
EFFECTIVE
NUMBER
OF
BITS
46
37
28
19
10
12.1
12.2
12.3
12.4
12.5
12.6
12.7
12.8
12.9
13.0
12.0
155
Typical Operating Characteristics (continued)
(VDD = +5.0V (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, external +4.096V reference at REF (MAX1146/MAX1148), exter-
nal +2.500V reference at REF (MAX1147/MAX1149), CREF = 2.2F, CLOAD = 50pF, TA = +25°C, unless otherwise noted.)
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參數(shù)描述
MAX1149BCUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 116ksps 3.3V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1149BCUP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 116ksps 3.3V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1149BCUP-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1149BEUP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1149BEUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 116ksps 3.3V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32