参数资料
型号: MAX1143BCAP+T
厂商: Maxim Integrated Products
文件页数: 15/20页
文件大小: 0K
描述: IC ADC 14BIT 200KSPS 20-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
位数: 14
采样率(每秒): 200k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 640mW
电压电源: 模拟和数字
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
输入数目和类型: 1 个单端,单极;1 个单端,双极
MAX1142/MAX1143
14-Bit ADC, 200ksps, +5V Single-Supply
with Reference
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +5V ±5%, fSCLK = 4.8MHz, external clock (50% duty cycle), 24 clocks/conversion (200ksps), bipolar input, external
VREF = +4.096V, VREFADJ = AVDD, CREF = 2.2F, CCREF = 1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REFADJ Buffer Disable
Threshold
To power-down the internal reference
AVDD-
0.5V
AVDD-
0.1V
V
Buffer Voltage Gain
1
V/V
EXTERNAL REFERENCE (Reference buffer disabled. Reference applied to REF)
Input Range (Notes 5 and 6)
3.0
4.096
4.2
V
VREF = 4.096V, fSCLK = 4.8MHz
250
VREF = 4.096V, fSCLK = 0
230
Input Current
In power-down, fSCLK = 0
0.1
A
DIGITAL INPUTS
Input High Voltage
VIH
2.4
V
Input Low Voltage
VIL
0.8
V
Input Leakage
IIN
VIN = 0 or DVDD
±1
A
Input Hysteresis
VHYST
0.2
V
Input Capacitance
CIN
10
pF
DIGITAL OUTPUTS
Output High Voltage
VOH
ISOURCE = 0.5mA
DVDD -
0.5
V
ISINK = 5mA
0.4
Output Low Voltage
VOL
ISINK = 16mA
0.8
V
Three-State Leakage Current
IL
CS = DVDD
±10
A
Three-State Output
Capacitance
CS = DVDD
10
pF
POWER SUPPLIES
Analog Supply (Note 7)
AVDD
4.75
5
5.25
V
Digital Supply (Note 7)
DVDD
4.75
5
5.25
V
Unipolar Mode
5
8
Bipolar Mode
8.5
11
mA
Analog Supply Current
IANALOG
SHDN = 0, or software power-down mode
0.3
10
A
Unipolar or Bipolar Mode
2.5
3.5
mA
Digital Supply Current
IDIGITAL
SHDN = 0, or software power-down mode
2.2
10
A
Power Supply Rejection Ratio
(Note 8)
PSRR
AVDD = DVDD = 4.75V to 5.25V,
72
dB
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