參數(shù)資料
型號(hào): MAX1379ATP+T
廠商: Maxim Integrated Products
文件頁數(shù): 23/25頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 1.25MSPS DL 20-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 12
采樣率(每秒): 1.25M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 40mW
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-WQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-TQFN-EP(5x5)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)單端,單極;4 個(gè)單端,雙極;2 個(gè)差分,單極;2 個(gè)差分,雙極
MAX1377/MAX1379/MAX1383
Dual, 12-Bit, 1.25Msps Simultaneous-Sampling
ADCs with Serial Interface
_______________________________________________________________________________________
7
ELECTRICAL CHARACTERISTICS—MAX1383 (continued)
(VAVDD = 4.75V to 5.25V, VL = 1.8V to AVDD, fSCLK = 20MHz (50% duty cycle), VREF = 2.50V, 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
Minimum Throughput Rate for
Full Bandwidth Signal
(Note 4)
10
ksps
Track-and-Hold Acquisition Time
tACQ
125
ns
Aperture Delay
2ns
Aperture-Delay Matching
2ns
Aperture Jitter
(Note 5)
30
ps
External Clock Frequency
fSCLK
20
MHz
ANALOG INPUTS (AIN1A, AIN1B, AIN2A, AIN2B)
Input Range
U/B = 0, VAIN_A - RGND
-10
+10
V
Differential Input Range
U/B = 1, VAIN_A - VAIN_B
-10
+10
V
Absolute Voltage Range
-10
+10
V
Input Impedance
10
k
Input Capacitance
At each analog input
10
pF
EXTERNAL REFERENCE (REFSEL = 1)
Absolute Input Voltage Range
VREF
1.25
2.5
V
Input Capacitance
50
pF
Input Current
Time averaged at maximum throughput rate
1600
A
INTERNAL REFERENCE (REFSEL = 0)
Reference Voltage Level
2.48
2.50
2.52
V
ISOURCE = 0 to 1mA
1
Load Regulation
ISINK = 0 to 50A
1
mV/mA
Voltage Temperature Coefficient
±50.0
ppm/
oC
DIGITAL INPUTS (SCLK, CNVST,
U/B, S/D, SEL, REFSEL)
Input-Voltage Low
VIL
0.3 x VL
V
Input-Voltage High
VIH
0.7 x VL
V
Input Leakage Current
IIL
±10
A
DIGITAL OUTPUTS (DOUT1, DOUT2)
Output Load Capacitance
CDOUT
For stated timing performance
30
pF
Output-Voltage Low
VOL
ISINK = 5mA
0.4
V
Output-Voltage High
VOH
ISOURCE = 1mA, VL ≥ 2.7V
VL - 0.5V
V
Output Leakage Current
IOL
High-impedance mode (Figure 9)
±0.2
A
POWER REQUIREMENTS
Analog Supply Voltage
AVDD
4.75
5.0
5.25
V
Digital Supply Voltage
VL
1.8
AVDD
V
Normal operation
55
65
mA
Analog Supply Current
IAVDD
Full power-down mode (Note 5)
0.5
10
A
Average Static Supply Current
44
58
mA
Digital Supply Current
IVL
fSCLK = 20MHz, VL = 3V, CL = 30pF
2
3.0
mA
Power-Supply Rejection
PSR
VAVDD = 5V ±10%, full-scale input
±5
±30
mV
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