參數資料
型號: MAX1444EHJ+T
廠商: Maxim Integrated Products
文件頁數: 15/20頁
文件大小: 0K
描述: IC ADC 10BIT 40MSPS 32-TQFP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
位數: 10
采樣率(每秒): 40M
數據接口: 并聯(lián)
轉換器數目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-TQFP
供應商設備封裝: 32-TQFP(5x5)
包裝: 帶卷 (TR)
輸入數目和類型: 2 個單端,雙極;1 個差分,雙極
MAX1444
10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum REFP, COM Source
Current
ISOURCE
5mA
Maximum REFP, COM Sink
Current
ISINK
-250
A
Maximum REFN Source Current
ISOURCE
250
A
Maximum REFN Sink Current
ISINK
-5
mA
UNBUFFERED EXTERNAL REFERENCE (VREFIN = AGND, reference voltage applied to REFP, REFN, and COM)
REFP, REFN Input Resistance
RREFP,
RREFN
Measured between REFP and COM
and REFN and COM
4k
Ω
REFP, REFN, COM Input
Capacitance
CIN
15
pF
Differential Reference Input
Voltage Range
ΔVREF
ΔVREF = VREFP - VREFN
1.024
±10%
V
COM Input Voltage Range
VCOM
VDD / 2
±10%
V
REFP Input Voltage
VREFP
VCOM +
ΔVREF /
2
V
REFN Input Voltage
VREFN
VCOM -
ΔVREF /
2
V
DIGITAL INPUTS (CLK, PD,
OE)
CLK
0.8
×
VDD
Input High Threshold
VIH
PD,
OE
0.8
×
OVDD
V
CLK
0.2
×
VDD
Input Low Threshold
VIL
PD,
OE
0.2
×
OVDD
V
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3V; OVDD = 2.7V; 0.1F and 1F capacitors from REFP, REFN, and COM to GND; VREFIN = 2.048V; REFOUT connected to
REFIN through a 10k
Ω resistor; VIN = 2VP-P (differential with respect to COM); CL = 10pF at digital outputs; fCLK = 40MHz; TA = TMIN
to TMAX, unless otherwise noted. ≥ +25°C guaranteed by production test, < +25°C guaranteed by design and characterization; typi-
cal values are at TA = +25°C.)
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