參數(shù)資料
型號： MAX1245AEAP+
廠商： Maxim Integrated Products
文件頁數(shù)： 16/21頁
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： 66
位數(shù)： 12
采樣率（每秒）： 100k
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）： 2.4mW
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： 管件
輸入數(shù)目和類型： 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極
MAX1245
+2.375V, Low-Power, 8-Channel,
Serial 12-Bit ADC
4
_______________________________________________________________________________________
TIMING CHARACTERISTICS
(VDD = +2.375V to +3.3V, VCOM = 0V, TA = TMIN to TMAX, unless otherwise noted.)
Note 1:
Tested at VDD = +2.375V; VCOM = 0V; unipolar single-ended input mode.
Note 2:
Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range has
been calibrated.
Note 3:
External reference (VREF = +2.048V), offset nulled.
Note 4:
Ground “on” channel; sine wave applied to all “off” channels.
Note 5:
Conversion time defined as the number of clock cycles multiplied by the clock period; clock has 50% duty cycle.
Note 6:
The common-mode range for the analog inputs is from AGND to VDD.
Note 7:
Guaranteed by design. Not subject to production testing.
Note 8:
ADC performance is limited by the converter’s noise floor, typically 300Vp-p.
Note 9:
Measured as
|VFS(2.375V) - VFS(3.3V)|.
DIN to SCLK Setup
ns
400
tSTR
CS Rise to SSTRB Output Disable
ns
240
tSDV
CS Fall to SSTRB Output Enable
260
tSSTRB
SCLK Fall to SSTRB
ns
300
tCL
SCLK Pulse Width Low
ns
300
SCLK Pulse Width High
ns
0
CS to SCLK Rise Hold
ns
200
tCSS
CS to SCLK Rise Setup
ns
400
tTR
CS Rise to Output Disable
ns
240
tDV
CS Fall to Output Enable
tDO
SCLK Fall to Output Data Valid
ns
0
tDH
DIN to SCLK Hold
ns
s
2.0
tACQ
Acquisition Time
0
tSCK
SSTRB Rise to SCLK Rise
ns
200
tDS
UNITS
MIN
TYP
MAX
SYMBOL
Internal clock mode only (Note 7)
External clock mode only, Figure 2
External clock mode only, Figure 1
Figure 1
Figure 2
Figure 1
CONDITIONS
Figure 1
ns
20
260
tCSH
tCH
__________________________________________Typical Operating Characteristics
(VDD = 2.5V, VREF = 2.048V, fCLK = 1.5MHz, CLOAD = 20pF, TA = +25°C, unless otherwise noted.)
ns
1.25
2.375
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.00
VDD (V)
I DD
(mA)
2.875
0.75
0.50
3.375
3.125
2.625
RL =
∞
CODE = 101010100000
MAX1245-01
CLOAD = 50pF
CLOAD = 20pF
0.90
0.65
-55
-30
70
SUPPLY CURRENT
vs. TEMPERATURE
0.85
0.80
0.75
0.70
TEMPERATURE (
°C)
I DD
(mA)
20
145
120
-5
45
95
MAX1245-02
RL =
∞
CODE = 101010100000
0.50
0.00
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
VDD (V)
INL
(LSB)
MAX1245-03
2.375
2.875
3.375
3.125
2.625
PARAMETER
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參數(shù)描述
MAX1245AEAP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 100ksps 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
MAX1245AEAP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 100ksps 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
MAX1245AEAP-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
MAX1245AEPP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) 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
MAX1245AEPP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 100ksps 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
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