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参数资料
| 型号： | MAX1383ATP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 20/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 1.25MSPS 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 1.25M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 85.5mW |
| 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： | 20-WQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个单端，单极；2 个单端，双极；1 个差分，单极；1 个差分，双极 |
MAX1377/MAX1379/MAX1383
Dual, 12-Bit, 1.25Msps Simultaneous-Sampling
ADCs with Serial Interface
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—MAX1377 (continued)
(VAVDD = 2.7V to 3.6V, VL = 1.8V to AVDD, fSCLK = 20MHz (50% duty cycle), VREF = 2.048V, REFSEL = VL, S/D = DGND, CREF =
1F; TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Normal operation
13
15
Partial power-down mode (Note 5)
2
mA
Analog Supply Current
IAVDD
Full power-down mode (Note 5)
1
5
A
Average Static Supply Current
810
mA
Digital Supply Current
IVL
fSCLK = 20MHz, VL = 3V, CL = 30pF
1
1.5
mA
Power-Supply Rejection
PSR
VAVDD = 3V ±10%, full-scale input
±0.2
±3
mV
ELECTRICAL CHARACTERISTICS—MAX1379
(VAVDD = 4.75V to 5.25V, VL = 3V, fSCLK = 20MHz (50% duty cycle), VREF = 4.096V, REFSEL = VL, S/D = DGND, CREF = 1F; TA =
TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY
Resolution
12
Bits
Relative Accuracy
INL
(Note 1)
-1.25
+1.25
LSB
Differential Nonlinearity
DNL
-1
+1
LSB
Offset Error
±8
LSB
Offset-Error Matching
±9
LSB
Gain Error
(Note 2)
±6
LSB
Gain-Error Matching
(Note 2)
±9
LSB
Gain Temperature Coefficient
±2
ppm/
oC
AIN1A to AIN1B, AIN2A to AIN2B
80
DC Input Isolation
AIN1A to AIN2A, AIN1B to AIN2B
80
dB
DYNAMIC SPECIFICATIONS (fIN = 500kHz , 4VP-P sine wave, 1.25Msps, 20MHz fSCLK)
Unipolar
69
70
Signal-to-Noise Plus Distortion
SINAD
Bipolar
70
71
dB
Unipolar
70
71
Signal-to-Noise Ratio
SNR
Bipolar
70
72
dB
Total Harmonic Distortion
THD
Up to the 5th harmonic
-84
-76
dB
Spurious-Free Dynamic Range
SFDR
-84
-76
dB
Intermodulation Distortion
IMD
fIN1 = 103.5kHz, fIN2 = 113.5kHz
-78
dB
Full-Power Bandwidth
-3dB point
5
MHz
Full-Linear Bandwidth
(S/N + D) > 68dB, 1V input
1
MHz
CONVERSION RATE (Figure 6)
Minimum Conversion Time
tCONV
16 clock cycles per conversion (Note 3)
0.8
s
Dual-output mode, S/D = 0
1.25
Maximum Throughput Rate
Single-output mode, S/D = 1
0.625
Msps
Minimum Throughput Rate for
Full Bandwidth Signal
(Note 4)
10
ksps
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