MAX1090 Datasheet, PDF (3/20 Pages) Maxim Integrated Products – 400ksps, +5V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface

400ksps, +5V, 8-/4-Channel, 10-Bit ADCs
with +2.5V Reference and Parallel Interface
ELECTRICAL CHARACTERISTICS (continued)
(V_DD = V_LOGIC = +5V ±10%, COM = GND, REFADJ = V_DD, V_REF = +2.5V, 4.7µF capacitor at REF pin, f_CLK = 7.6MHz (50% duty
cycle), 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
ANALOG INPUTS
Analog Input Voltage Range,
Single Ended and Differential
(Note 6)
Unipolar, V_COM = 0
V_IN
Bipolar, V_COM = V_REF / 2
0
-V_REF/2
V_REF
V
+V_REF/2
Multiplexer Leakage Current
Input Capacitance
C_IN
INTERNAL REFERENCE
REF Output Voltage
REF Short-Circuit Current
REF Temperature Coefficient
TC_REF
REFADJ Input Range
REFADJ High Threshold
Load Regulation (Note 7)
Capacitive Bypass at REFADJ
Capacitive Bypass at REF
EXTERNAL REFERENCE AT REF
On/off-leakage current, V_IN = 0 or V_DD
TA = 0°C to +70°C
For small adjustments
To power down the internal reference
0 to 0.5mA output load
REF Input Voltage Range
V_REF
Shutdown REF Input Current
I_REF
DIGITAL INPUTS AND OUTPUTS
Input Voltage High
V_IH
Input Voltage Low
V_IL
Input Hysteresis
V_HYS
Input Leakage Current
I_IN
Input Capacitance
C_IN
Output Voltage Low
V_OL
Output Voltage High
V_OH
Three-State Leakage Current I_LEAKAGE
Three-State Output Capacitance C_OUT
V_REF = 2.5V, f_SAMPLE = 400ksps
Shutdown mode
V_LOGIC = 4.5V
V_LOGIC = 2.7V
V_LOGIC = 4.5V or 2.7V
V_IN = 0 or V_DD
I_SINK = 1.6mA
I_SOURCE = 1mA
CS = V_DD
CS = V_DD
±0.01 ±1
µA
12
pF
2.49 2.5
15
±20
±100
V_DD - 1.0
0.2
0.01
4.7
2.51
V
mA
ppm/°C
mV
V
0.5 mV/mA
1
µF
10
µF
1.0
V_DD +
50mV
V
200
300
µA
2
4.0
V
2.0
V
0.8
V
200
mV
±0.1
±1
µA
15
pF
0.4
V
V_LOGIC - 0.5
V
±0.1
±1
µA
15
pF
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