MAX1178/MAX1188
16-Bit, 135ksps, Single-Supply ADCs with
Bipolar Analog Input Range
4
_______________________________________________________________________________________
TIMING CHARACTERISTICS (Figures 1 and 2)
(AVDD = +4.75V to +5.25V, DVDD = +2.7V to AVDD, external reference = +4.096V, CREF = 10F, CREFADJ = 0.1F, VREFADJ = AVDD,
CLOAD = 20pF, TA = TMIN to TMAX.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum Sampling Rate
fSAMPLE-MAX
135
ksps
Acquisition Time
tACQ
2s
Conversion Time
tCONV
4.7
s
CS Pulse-Width High
tCSH
(Note 2)
40
ns
DVDD = 4.75V to 5.25V
40
CS Pulse-Width Low (Note 2)
tCSL
DVDD = 2.7V to 5.25V
60
ns
R/
C to CS Fall Setup Time
tDS
0ns
DVDD = 4.75V to 5.25V
40
R/
C to CS Fall Hold Time
tDH
DVDD = 2.7V to 5.25V
60
ns
DVDD = 4.75V to 5.25V
40
CS to Output Data Valid
tDO
DVDD = 2.7V to 5.25V
80
ns
EOC Fall to CS Fall
tDV
0ns
DVDD = 4.75V to 5.25V
40
CS Rise to EOC Rise
tEOC
DVDD = 2.7V to 5.25V
80
ns
DVDD = 4.75V to 5.25V
40
Bus Relinquish Time
tBR
DVDD = 2.7V to 5.25V
80
ns
DVDD = 4.75V to 5.25V
40
HBEN Transition to Output Data
Valid
tDO1
DVDD = 2.7V to 5.25V
80
ns
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +5V ±5%, external reference = +4.096V, CREF = 10F, CREFADJ = 0.1F, VREFADJ = AVDD, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLIES
Analog Supply Voltage
AVDD
4.75
5.25
V
Digital Supply Voltage
DVDD
2.70
5.25
V
External reference, 135ksps
4
5.3
Analog Supply Current
IAVDD
Internal reference, 135ksps
5.2
6.2
mA
Shutdown mode (Note 1), digital input =
DVDD or 0V
0.5
5
A
Shutdown Supply Current
ISHDN
Standby mode
3.7
mA
Digital Supply Current
IDVDD
0.75
mA
Power-Supply Rejection
AVDD = DVDD = 4.75V to 5.25V
3.5
LSB
Note 1: Maximum specification is limited by automated test equipment.
Note 2: To ensure best performance, finish reading the data and wait tBR before starting a new acquisition.
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參數(shù)描述
MAX1178BCUP 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
MAX1178BCUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 135ksps 4.2V 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
MAX1178BCUP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 135ksps 4.2V 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
MAX1178BCUP-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
MAX1178BEUP 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
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