MAX1185 Maxim, MAX1185 Datasheet - Page 4

• Manufacturer Part Number: MAX1185
• Description: Dual 10-Bit / 20Msps / +3V / Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
10kΩ resistor, V
T
Dual 10-Bit, 20Msps, +3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
4
A
DIGITAL INPUTS (CLK, PD, OE, SLEEP, T/B)
Input High Threshold
Input Low Threshold
Input Hysteresis
Input Leakage
Input Capacitance
DIGITAL OUTPUTS (D0A/B–D9A/B, A/B)
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
Maximum REFP, COM Source
Current
Maximum REFP, COM Sink
Current
Maximum REFN Source Current
Maximum REFN Sink Current
UNBUFFERED EXTERNAL REFERENCE (V
REFP, REFN Input Resistance
Differential Reference Input
Voltage
COM Input Voltage
REFP Input Voltage
REFN Input Voltage
DD
= T
_______________________________________________________________________________________
= +3V, OV
MIN
to T
PARAMETER
MAX
DD
, unless otherwise noted. Typical values are at T
= +2.5V, 0.1µF and 1µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a
IN
= 2Vp-p (differential w.r.t. COM), C
SYMBOL
I
I
SOURCE
SOURCE
R
V
R
∆V
V
V
V
I
C
I
I
V
LEAK
V
SINK
SINK
REFP
REFN
HYST
C
REFN
COM
REFP
V
V
I
I
OUT
OH
IH
OL
IL
REF
IH
IL
IN
,
REFIN
CLK
PD, OE, SLEEP, T/B
CLK
PD, OE, SLEEP, T/B
V
V
I
I
OE = OV
OE = OV
Measured between REFP and COM, and
REFN and COM
∆V
SINK
SOURCE
IH
IL
REF
= 0
= OV
= AGND, reference voltage applied to REFP, REFN, and COM)
= -200µA
= V
DD
DD
DD
= 200µA
REFP
or V
CONDITIONS
- V
DD
A
REFN
L
= +25°C.)
(CLK)
= 10pF at digital outputs (Note 5), f
0.8
0.8
OV
MIN
DD
✕
✕
V
OV
- 0.2
DD
DD
∆V
∆V
V
V
V
±10%
±10%
1.024
COM
-250
TYP
COM
0.1
250
DD
REF
REF
-5
5
5
5
4
/2
0.2
+
/2
/2
-
0.2
✕
CLK
MAX
✕
OV
±10
0.2
±5
±5
V
DD
DD
= 20MHz,
UNITS
mA
mA
µA
µA
kΩ
µA
pF
µA
pF
V
V
V
V
V
V
V
V
V