參數(shù)資料
型號(hào): MAX1183
廠商: Maxim Integrated Products, Inc.
英文描述: Dual 10-Bit, 40Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs
中文描述: 雙路、10位、40Msps、3V、低功耗ADC,內(nèi)置電壓基準(zhǔn)及并行輸出
文件頁(yè)數(shù): 3/18頁(yè)
文件大?。?/td> 495K
代理商: MAX1183
M
Dual 10-Bit, 40Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +3V, OV
DD
= +2.5V, 0.1μF and 1.0μF capacitors from REFP, REFN, and COM to GND, REFOUT connected to REFIN through
a 10k
resistor, V
IN
= 2Vp-p (differential with respect to COM), C
L
= 10pF at digital outputs (Note 5), f
CLK
= 40MHz, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
Small-Signal Bandwidth
Input at -20dB FS, differential inputs
Full-Power Bandwidth
FPBW
Input at -0.5dB FS, differential inputs
Aperture Delay
t
AD
Aperture Jitter
t
AJ
Overdrive Recovery Time
For 1.5 x full-scale input
Differential Gain
Differential Phase
Output Noise
INA+ = INA- = INB+ = INB- = COM
INTERNAL REFERENCE
MIN
TYP
500
400
1
2
2
±1
±0.25
0.2
MAX
UNITS
MHz
MHz
ns
ps
RMS
ns
%
Degrees
LSB
RMS
Reference Output Voltage
REFOUT
2.048
±3%
V
Reference Temperature
Coefficient
Load Regulation
BUFFERED EXTERNAL REFERENCE
(V
REFIN
= +2.048V)
REFIN Input Voltage
Positive Reference Output
Voltage
TC
REF
60
ppm/
°
C
mV/mA
1.25
V
REFIN
2.048
V
V
REFP
2.012
V
Negative Reference Output
Voltage
Differential Reference Output
Voltage Range
REFIN Resistance
Maximum REFP, COM
Source Current
V
REFN
0.988
V
V
REF
V
REF
= V
REFP
- V
REFN
0.98
1.024
1.07
V
R
REFIN
>50
M
I
SOURCE
5
mA
Maximum REFP, COM
Sink Current
I
SINK
-250
μA
Maximum REFN Source Current
Maximum REFN Sink Current
UNBUFFERED EXTERNAL REFERENCE
(V
REFIN
= AGND, reference voltage applied to REFP, REFN, and COM)
R
REFP
,
R
REFN
REFN and COM
Differential Reference Input
Voltage Range
I
SOURCE
I
SINK
250
-5
μA
mA
REFP, REFN Input Resistance
Measured between REFP and COM and
4
k
V
REF
V
REF
= V
REFP
- V
REFN
1.024
±10%
V
DD
/2
±10%
V
COM Input Voltage Range
V
COM
V
REFP Input Voltage
V
REFP
V
COM
+
V
REF
/2
V
COM
-
V
REF
/2
V
REFN Input Voltage
V
REFN
V
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