參數(shù)資料
型號: MAX1332
廠商: Maxim Integrated Products, Inc.
英文描述: 3Msps/2Msps, 5V/3V, 2-Channel, True-Differential 12-Bit ADCs
中文描述: 3Msps/2Msps,5V/3V,雙通道,真差分12位ADC
文件頁數(shù): 6/25頁
文件大?。?/td> 379K
代理商: MAX1332
M
3Msps/2Msps, 5V/3V, 2-Channel, True-
Differential 12-Bit ADCs
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (MAX1333) (continued)
(AV
DD
= +2.7V to +3.6V, DV
DD
= +2.7V to AV
DD
, f
SCLK
= 32MHz, V
REF
= 2.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C.)
PARAMETER
SYMBOL
C
IN
CONDITIONS
MIN
TYP
14
MAX
UNITS
pF
Input Capacitance
REFERENCE INPUT (REF)
REF Input Voltage
V
REF
1.0
AV
DD
+
50mV
V
REF Input Capacitance
REF DC Leakage Current
DIGITAL INPUTS (SCLK, CNVST,
SHDN
, CHSEL, BIP/
UNI
)
C
REF
I
REF
14
pF
μA
±10
Input-Voltage Low
V
IL
0.3 x
DV
DD
V
Input-Voltage High
V
IH
0.7 x
DV
DD
V
Input Hysteresis
Input Leakage Current
Input Capacitance
DIGITAL OUTPUT (DOUT)
Output-Voltage Low
100
±0.2
15
mV
μA
pF
I
ILKG
C
IN
±5
V
OL
I
SINK
= 5mA
0.4
V
Output-Voltage High
V
OH
I
SOURCE
= 1mA
DV
DD
-
0.5
V
Tri-State Leakage Current
Tri-State Output Capacitance
POWER REQUIREMENTS
Analog Supply Voltage
Digital Supply Voltage
I
LKGT
C
OUT
Between conversions, CNVST = DV
DD
Between conversions, CNVST = DV
DD
±1
μA
pF
15
AV
DD
DV
DD
2.7
2.7
3.6
AV
DD
V
V
Normal mode; average current (f
SAMPLE
=
2MHz, f
SCLK
= 32MHz)
Partial power-down mode
Full power-down mode
9.5
11.5
3.3
0.1
4
2
mA
Analog Supply Current
I
AVDD
μA
Average current (f
SAMPLE
= 2MHz, f
SCLK
=
32MHz, zero-scale input)
3
5.4
mA
Power-down (f
SCLK
= 32MHz, CNVST =
DV
DD
)
10
20
Digital Supply Current
I
DVDD
Static; all digital inputs are connected to
DV
DD
or DGND
AV
DD
= 2.7V to 3.6V, full-scale input
0.2
2
μA
Positive Supply Rejection
PSR
±3
mV
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