MAX186 Maxim, MAX186 Datasheet - Page 3

• Manufacturer Part Number: MAX186
• Description: Low-Power / 8-Channel / Serial 12-Bit ADCs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
4.7µF capacitor at VREF pin; MAX188—external reference, VREF = 4.096V applied to VREF pin; T
noted.)
Small-Signal Bandwidth
Full-Power Bandwidth
Conversion Time (Note 5)
Track/Hold Acquisition Time
Aperture Delay
Aperture Jitter
Internal Clock Frequency
External Clock Frequency Range
Input Voltage Range,
Single-Ended and Differential
(Note 9)
Multiplexer Leakage Current
Input Capacitance
VREF Output Voltage
VREF Short-Circuit Current
VREF Tempco
Load Regulation (Note 7)
Capacitive Bypass at VREF
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
Input Voltage Range
Input Current
Input Resistance
Shutdown VREF Input Current
Buffer Disable Threshold REFADJ
CONVERSION RATE
ANALOG INPUT
INTERNAL REFERENCE (MAX186 only, reference buffer enabled)
EXTERNAL REFERENCE AT VREF (Buffer disabled, VREF = 4.096V)
DD
= 5V ±5%; V
PARAMETER
SS
_______________________________________________________________________________________
= 0V or -5V; f
CLK
SYMBOL
t
= 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX186—
CONV
t
AZ
-3dB rolloff
Internal clock
External clock, 2MHz, 12 clocks/conversion
External compensation, 4.7µF
Internal compensation (Note 6)
Used for data transfer only
Unipolar, V
Bipolar, V
On/off leakage current, V
(Note 6)
T
MAX186A, MAX186B,
MAX186C
MAX186D
0mA to 0.5mA output load
Internal compensation
External compensation
Internal compensation
External compensation
A
= +25°C
SS
SS
= -5V
= 0V
CONDITIONS
Low-Power, 8-Channel,
MAX186_C
MAX186_E
MAX186_M
IN
= ±5V
Serial 12-Bit ADCs
50mV
4.076
V
0.01
0.01
2.50
5.5
0.1
0.1
4.7
MIN
DD
12
6
0
A
-
= T
MIN
±0.01
4.096
±1.5
TYP
±30
±30
±30
±30
800
200
<50
4.5
1.7
2.5
1.5
10
10
16
20
to T
MAX
±VREF/2
V
50mV
VREF
4.116
MAX
±50
±60
±80
0 to
350
1.5
2.0
0.4
DD
±1
, unless otherwise
10
30
10
+
ppm/°C
UNITS
MHz
MHz
MHz
kHz
mA
mV
µA
µA
kΩ
µA
µs
µs
ns
ps
pF
µF
µF
%
V
V
V
V
3