參數(shù)資料
型號(hào)： MAX1284-MAX1285
廠商： Maxim Integrated Products, Inc.
元件分類： ADC
英文描述： Enhanced Product 1.5 Degrees C Accurate Digital Temperature Sensor W/Spi Interface 6-SOT-23 -40 to 125
中文描述： 400ksps/300ksps，單電源，低功耗，串行12的內(nèi)部參考位ADC
文件頁(yè)數(shù)： 4/15頁(yè)
文件大小： 210K
代理商： MAX1284-MAX1285
M
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
—
MAX1285 (continued)
(V
DD
= +2.7V to +3.0V; f
SCLK
= 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), 4.7μF capacitor at REF, T
A
= T
MIN
to
T
MAX,
unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DYNAMIC SPECIFICATIONS
(75kHz sine wave, 2.5Vp-p, f
SAMPLE
= 300ksps, f
SCLK
= 4.8MHz)
Signal-to-Noise Plus Distortion
Ratio
Total Harmonic Distortion
THD
Spurious-Free Dynamic Range
SFDR
Intermodulation Distortion
IMD
Full-Power Bandwidth
Full-Linear Bandwidth
CONVERSION RATE
Conversion Time (Note 4)
t
CONV
Track/Hold Acquisition Time
t
ACQ
Aperture Delay
Aperture Jitter
Serial Clock Frequency
t
SCLK
Duty Cycle
ANALOG INPUT (AIN)
Input Voltage Range
V
AIN
Input Capacitance
INTERNAL REFERENCE
REF Output Voltage
V
REF
REF Short-Circuit Current
REF Output Tempco
TC V
REF
Load Regulation (Note 5)
Capacitive Bypass at REF
DIGITAL INPUTS (SCLK, CS, SHDN)
Input High Voltage
V
INH
Input Low Voltage
V
INL
Input Hysteresis
V
HYST
Input Leakage
I
IN
Input Capacitance
C
IN
DIGITAL OUTPUT (DOUT)
Output Voltage Low
V
OL
Output Voltage High
V
OH
Three-State Leakage Current
I
L
Three-State Output Capacitance
C
OUT
POWER SUPPLY
Positive Supply Voltage (Note 6)
VDD
Positive Supply Current (Note 7)
IDD
Shutdown Supply Current
I
SHDN
Power-Supply Rejection
PSR
SINAD
70
dB
Up to the 5th harmonic
-80
80
76
3
250
dB
dB
dB
MHz
kHz
f
IN1
= 73kHz, f
IN2
= 77kHz
-3dB point
SINAD > 68dB
3.3
μs
ns
ns
ps
MHz
%
625
10
<50
0.5
40
4.8
60
0
2.5
V
pF
18
2.48
2.50
15
±15
0.1
2.52
V
T
A
= +25
°
C
mA
ppm/
°
C
mV/mA
μF
0 to 0.75mA output load
2.0
10
4.7
2.0
V
V
V
μA
pF
0.8
0.2
V
IN
= 0 or V
DD
±1
15
I
SINK
= 5mA
I
SOURCE
= 0.5mA
CS
= +3V
CS
= +3V
0.4
V
V
μA
pF
4
±10
15
2.7
3.6
3.5
10
±2.0
V
V
DD
= +3.6V
SCLK = V
DD
,
SHDN
= GND
V
DD
= +2.7V to 3.6V, midscale input
2.5
2
±0.5
mA
μA
mV
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PDF描述
MAX1284BCSA 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference
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MAX1285BCSA 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
MAX1285BCSA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 300ksps 3.6V 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
MAX1285BCSA+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 300ksps 3.6V 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
MAX1285BCSA-T 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
MAX1285BESA 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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