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MAX1392/MAX1395
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7
SUPPLY CURRENT
vs. CONVERSION RATE
MAX1392/95
toc13
fSAMPLE (ksps)
SUPPLY
CURRENT
(μ
A)
300
250
200
150
100
50
200
400
600
800
0
350
fSCLK = 5MHz, fSAMPLE = 357ksps
AIN = FULL SCALE, 85kHz SINE WAVE
CL = 30pF
VDD = VREF = 1.6V
VDD = VREF = 3.0V
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX1392/95
toc14
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
(μ
A)
3.3
3.0
2.7
2.4
2.1
1.8
0.1
0.2
0.3
0.4
0.5
0
1.5
3.6
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX1392/95
toc15
TEMPERATURE (
°C)
SHUTDOWN
SUPPLY
CURRENT
(μ
A)
95
65
35
5
-25
0.4
0.8
1.2
1.6
2.0
0
-55
125
VDD = 1.8V
VDD = 3.6V
SCLK-TO-DOUT TIMING
MAX1392/95
toc16
CLOAD (pF)
DOUT
DELAY
(ns)
500
400
300
200
100
10
20
30
40
50
60
70
80
90
100
0
600
VDD = 3.6V
VDD = 1.5V
FFT
MAX1392/95
toc17
FREQUENCY (kHz)
MAGNITUDE
(dB)
120
100
80
60
40
20
-100
-80
-60
-40
-20
0
-120
0
140 160 180
VDD = 1.6V
VREF = 1.6V
fS = 357ksps
fIN = 85kHz
THD = -82.7dB
SINAD = 61.3dB
SFDR = -83.8dB
SAMPLING ERROR
vs. SOURCE IMPEDANCE
MAX1392/95
toc18
SOURCE IMPEDENCE (
Ω)
SAMPLING
ERROR
(LSB)
2000
1500
1000
500
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
2500
AIN HIGH-TO-LOW FS TRANSITION
AIN LOW-TO-HIGH FS TRANSITION
1.5V to 3.6V, 357ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 10-Bit, SAR ADCs
GAIN ERROR
vs. REFERENCE VOLTAGE
MAX1392/95
toc10
REFERENCE VOLTAGE (V)
GAIN
ERROR
(μ
V)
3.1
1.1
1.6
2.1
2.6
-300
-200
-100
0
100
200
300
400
-400
0.6
3.6
VDD = 3.6V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1392/95
toc11
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(μ
A)
3.3
3.0
2.7
2.4
2.1
1.8
500
600
700
800
400
1.5
3.6
VREF = 1.5V, CL = 33pF
fSCLK = 5MHz, fSAMPLE = 357ksps
AIN = FULL SCALE, 10kHz SINE WAVE
SUPPLY CURRENT vs. TEMPERATURE
MAX1392/95
toc12
TEMPERATURE (
°C)
SUPPLY
CURRENT
(μ
A)
95
65
35
5
-25
450
500
550
600
400
-55
125
VREF = 1.5V, CL = 33pF
fSCLK = 5MHz, fSAMPLE = 357ksps
AIN = FULL SCALE, 10kHz SINE WAVE
Typical Operating Characteristics (continued)
(VDD = +1.5V, VREF = +1.5V, CREF = 0.1F, CL = 30pF, fSCLK = 5MHz. TA = +25°C, unless otherwise noted.)
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功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
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功能描述:模数转换器 - ADC 10-Bit 2Ch 357ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
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MAX1396ETB-T
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