参数资料
型号: MAX1422CCM+TD
厂商: Maxim Integrated Products
文件页数: 9/15页
文件大小: 0K
描述: IC ADC 12BIT 20MSPS 48LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
位数: 12
采样率(每秒): 20M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 152mW
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: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
输入数目和类型: 1 个差分,双极
MAX1422
12-Bit, 20Msps, 3.3V, Low-Power ADC with
Internal Reference
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Common-Mode Input Voltage
Range (Note 5)
VCMVR
VCML
±5%
V
Differential Input Range
VIN
VINP - VINN (Note 6)
±VDIFF
V
Small-Signal Bandwidth
BW-3dB
(Note 7)
400
MHz
Large-Signal Bandwidth
FPBW -3dB
(Note 7)
150
MHz
Overvoltage Recovery
OVR
1.5
FS input
1
Clock
cycles
INTERNAL REFERENCE (REFIN bypassed with 0.22F in parallel with 1nF)
Common-Mode Reference
Voltage
VCML
At CML
VAVDD 0.5
V
Positive Reference Voltage
VREFP
At REFP
VCML
+ 0.512
V
Negative Reference Voltage
VREFN
At REFN
VCML
- 0.512
V
Differential Reference Voltage
VDIFF
(Note 6)
1.024
±5%
V
Differential Reference
Temperature Coefficient
REFTC
±100
ppm/
°C
EXTERNAL REFERENCE (VREFIN = 2.048V)
REFIN Input Resistance
RIN
(Note 8)
5
k
REFIN Input Capacitance
CIN
10
pF
REFIN Reference Input Voltage
Range
VREFIN
2.048
±10%
V
Differential Reference Voltage
Range
VDIFF
(Note 6)
0.92
VREFIN/2
1.08
VREFIN/2
V
EXTERNAL REFERENCE (VREFIN = 0, reference voltage applied to REFP, REFN, and CML)
REFP, REFN, CML Input Current
IIN
-200
200
A
REFP, REFN, CML Input
Capacitance
CIN
15
pF
Differential Reference Voltage
Range
VDIFF
(Note 6)
1.024
±10%
V
CML Input Voltage Range
VCML
1.65
±10%
V
REFP Input Voltage Range
VREFP
VCML +
VDIFF/2
V
REFN Input Voltage Range
VREFN
VCML -
VDIFF/2
V
DIGITAL INPUTS (CLK, CLK, PD, OE)
Input Logic High
VIH
0.7
VDVDD
V
Input Logic Low
VIL
0.3
VDVD
V
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage at -0.5dBFS, internal reference, fCLK = 20MHz (50%
duty cycle); digital output load CL = 10pF,
≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization.
Typical values are at TA = +25°C.)
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