参数资料
型号: MAX1284BESA
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: ADC
英文描述: 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference
中文描述: 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封装: 0.150 INCH, MS-012AA, SOIC-8
文件页数: 3/15页
文件大小: 210K
代理商: MAX1284BESA
M
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
________________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
MAX1284 (continued)
(V
DD
= +4.5V to +5.5V; f
SCLK
= 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), 4.7μF capacitor at REF, T
A
= T
MIN
to
T
MAX,
unless otherwise noted. Typical values are at T
A
= +25
°
C.)
ELECTRICAL CHARACTERISTICS
MAX1285
(V
DD
= +2.7V to +3.6V; f
SCLK
= 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), 4.7μF capacitor at REF, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INTERNAL REFERENCE
REF Output Voltage
REF Short-Circuit Current
REF Output Tempco
Load Regulation (Note 5)
Capacitive Bypass at REF
DIGITAL INPUTS (SCLK, CS, SHDN)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage
Input Capacitance
DIGITAL OUTPUT (DOUT)
Output Voltage Low
V
REF
2.48
2.50
30
±15
0.1
2.52
V
T
A
= +25
°
C
mA
TC V
REF
ppm/
°
C
mV/mA
μF
0 to 1mA output load
2.0
10
4.7
V
INH
V
INL
V
HYST
I
IN
C
IN
3.0
V
V
V
μA
pF
0.8
0.2
V
IN
= 0 or V
DD
±1
15
V
OL
V
OH
I
L
C
OUT
I
SINK
= 5mA
I
SOURCE
= 1mA
CS
= +5V
CS
= +5V
0.4
V
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER SUPPLY
Positive Supply Voltage (Note 6)
Positive Supply Current (Note 7)
Shutdown Supply Current
Power-Supply Rejection
4
V
μA
pF
±10
15
VDD
IDD
I
SHDN
PSR
4.5
5.5
4.0
10
±2.0
V
V
DD
= +5.5V
SCLK = V
DD
,
SHDN
= GND
V
DD
= +5V ±10%, midscale input
2.5
2
±0.5
mA
μA
mV
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY
(Note 1)
Resolution
Relative Accuracy (Note 2)
Differential Nonlinearity
Offset Error
Gain Error (Note 3)
12
Bits
LSB
LSB
LSB
LSB
INL
DNL
±1.0
±1.0
±6.0
±6.0
No missing codes over temperature
Gain Error Temperature
Coefficient
±1.6
ppm/
°
C
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