MAX1284 Maxim, MAX1284 Datasheet - Page 3

• Manufacturer Part Number: MAX1284
• Description: 400ksps/300ksps / Single-Supply / Low-Power / Serial 12-Bit ADCs with Internal Reference
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS—MAX1284 (continued)
(V
T
ELECTRICAL CHARACTERISTICS—MAX1285
(V
T
MAX,
MAX
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
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
DC ACCURACY (Note 1)
Resolution
Relative Accuracy (Note 2)
Differential Nonlinearity
Offset Error
Gain Error (Note 3)
Gain Error Temperature
Coefficient
DD
DD
, unless otherwise noted. Typical values are at T
= +4.5V to +5.5V; f
= +2.7V to +3.6V; f
unless otherwise noted. Typical values are at T
400ksps/300ksps, Single-Supply, Low-Power,
PARAMETER
PARAMETER
Serial 12-Bit ADCs with Internal Reference
________________________________________________________________________________________
SCLK
SCLK
= 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), 4.7µF capacitor at REF, T
= 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), 4.7µF capacitor at REF, T
SYMBOL
SYMBOL
TC V
V
I
C
V
V
VDD
SHDN
V
V
DNL
PSR
V
IDD
HYST
C
INL
I
OUT
REF
INH
I
INL
OH
IN
OL
L
IN
REF
T
0 to 1mA output load
V
I
I
CS = +5V
CS = +5V
V
SCLK = V
V
No missing codes over temperature
SINK
SOURCE
A
IN
DD
DD
= +25°C
A
A
= 0 or V
= +5.5V
= +5V ±10%, midscale input
= +25°C.)
= +25°C.)
= 5mA
= 1mA
DD
DD
, SHDN = GND
CONDITIONS
CONDITIONS
MIN
2.48
MIN
4.7
3.0
4.5
12
4
TYP
2.50
±0.5
±1.6
±15
TYP
0.1
0.2
2.5
30
15
15
2
MAX
MAX
±2.0
±1.0
±1.0
±6.0
±6.0
2.52
±10
2.0
0.8
0.4
5.5
4.0
±1
10
10
A
A
= T
= T
ppm/°C
ppm/°C
mV/mA
UNITS
UNITS
LSB
LSB
LSB
LSB
Bits
MIN
MIN
mA
mA
mV
µF
µA
pF
µA
pF
µA
V
V
V
V
V
V
V
to
to
3