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参数资料
| 型号： | MAX1421CCM+D |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/17页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 40MSPS 48LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 250 |
| 位数： | 12 |
| 采样率（每秒）： | 40M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 214mW |
| 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： | 托盘 |
| 输入数目和类型： | 1 个差分，双极 |
MAX1421
12-Bit, 40Msps, 3.3V, Low-Power ADC
with Internal Reference
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage at -0.5dB FS, internal reference,
fCLK = 40MHz (50% duty cycle), digital output load CL
≈ 10pF, TA ≥ +25°C guaranteed by production test, TA < +25°C guarnateed
by design and characterization. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Differential Gain
DG
±1%
Differential Phase
DP
±0.25
degrees
ANALOG INPUTS (INP, INN, CML)
Input Resistance
RIN
Either input to ground
32.5
k
Input Capacitance
CIN
Either input to ground
4
pF
Common-Mode Input Level
(Note 5)
VCML
VAVDD
× 0.5
V
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
Cycle
INTERNAL REFERENCE (REFIN bypassed with 0.22F in parallel with 1nF)
Common-Mode Reference Input
Voltage
VCML
At CML
VAVDD
0.5
V
Positive Reference Voltage
Range
VREFP
At REFP
VCML
+ 0.512
V
Negative Reference Voltage
Range
VREFN
At REFN
VCML
- 0.512
V
Differential Reference Voltage
Range
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
VREFIN
2.048
±10%
V
Differential Reference Voltage
VDIFF
(Note 6)
0.92
VREFIN /
2
VREFIN /
2
1.08
VREFIN /
2
V
EXTERNAL REFERENCE (VREFIN = AGND, 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
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