参数资料
型号: MAX1138LEEE+T
厂商: Maxim Integrated Products
文件页数: 16/22页
文件大小: 0K
描述: IC ADC 10BIT SERIAL 16-QSOP
标准包装: 2,500
位数: 10
采样率(每秒): 94.4k
数据接口: I²C,串行
转换器数目: 1
功率耗散(最大): 3.35mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
输入数目和类型: 12 个单端,单极;12 个单端,双极;6 个差分,单极;6 个差分,双极
MAX1136–MAX1139
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial 10-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 2.7V to 3.6V (MAX1137/MAX1139), VDD = 4.5V to 5.5V (MAX1136/MAX1138), VREF = 2.048V (MAX1137/MAX1139), VREF =
4.096V (MAX1136/MAX1138), fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. See
Tables 1–5 for programming notation.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Internal Clock Frequency
2.8
MHz
External clock, fast mode
60
Aperture Delay (Note 5)
tAD
External clock, high-speed mode
30
ns
ANALOG INPUT (AIN0–AIN11)
Unipolar
0
VREF
Input-Voltage Range, Single-
Ended and Differential (Note 6)
Bipolar
0
±VREF/2
V
Input Multiplexer Leakage Current
ON/OFF leakage current, VAIN_ = 0 or VDD
±0.01
±1
A
Input Capacitance
CIN
22
pF
INTERNAL REFERENCE (Note 7)
MAX1137/MAX1139
1.968
2.048
2.128
Reference Voltage
VREF
TA = +25°C
MAX1136/MAX1138
3.939
4.096
4.256
V
Reference-Voltage Temperature
Coefficient
TCVREF
25
ppm/°C
REF Short-Circuit Current
2mA
REF Source Impedance
1.5
k
EXTERNAL REFERENCE
REF Input-Voltage Range
VREF
(Note 8)
1
VDD
V
REF Input Current
IREF
fSAMPLE = 94.4ksps
40
A
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input High Voltage
VIH
0.7 VDD
V
Input Low Voltage
VIL
0.3 VDD
V
Input Hysteresis
VHYST
0.1 VDD
V
Input Current
IIN
VIN 0 to VDD
±10
A
Input Capacitance
CIN
15
pF
Output Low Voltage
VOL
ISINK = 3mA
0.4
V
POWER REQUIREMENTS
MAX1137/MAX1139
2.7
3.6
Supply Voltage
VDD
MAX1136/MAX1138
4.5
5.5
V
Internal reference
900
1150
fSAMPLE = 94.4ksps
external clock
External reference
670
900
Internal reference
530
fSAMPLE = 40ksps
internal clock
External reference
230
Internal reference
380
fSAMPLE = 10ksps
internal clock
External reference
60
Internal reference
330
fSAMPLE =1ksps
internal clock
External reference
6
Supply Current
IDD
Shutdown (internal reference OFF)
0.5
10
A
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