参数资料
型号: MAX1421CCM+D
厂商: Maxim Integrated Products
文件页数: 12/17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
4
_______________________________________________________________________________________
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 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, OE, PD)
Input Logic-High
VIH
0.7
VDVDD
V
Input Logic-Low
VIL
0.3
VDVDD
V
CLK, CLK
±330
PD
-20
+20
Input Current
OE
-20
+20
A
Input Capacitance
10
pF
DIGITAL OUTPUTS (D0–D11)
Output Logic-High
VOH
IOH = 200A
VDVDD
- 0.5
VDVDD
V
Output Logic-Low
VOL
IOL = -200A
0
0.5
V
Three-State Leakage
-10
+10
A
Three-State Capacitance
2pF
POWER REQUIREMENTS
Analog Supply Voltage
VAVDD
3.135
3.3
3.465
V
Digital Supply Voltage
VDVDD
2.7
3.3
3.6
V
Analog Supply Current
IAVDD
52
65
mA
Analog Supply Current with
Internal Reference in Shutdown
REFIN = AGND
50
63
mA
Analog Shutdown Current
PD = DVDD
20
A
Digital Supply Current
IDVDD
5.5
mA
Digital Shutdown Current
PD = DVDD
20
A
Power Dissipation
PDISS
Analog power
188
214
mW
Power-Supply Rejection Ratio
PSRR
(Note 9)
±1
mV/V
TIMING CHARACTERISTICS
Clock Frequency
fCLK
Figure 5
0.1
40.0
MHz
Clock High
tCH
Figure 5, clock period 25ns
12.5
ns
Clock Low
tCL
Figure 5, clock period 25ns
12.5
ns
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