MAX1106 Datasheet, PDF (3/16 Pages) Maxim Integrated Products – Single-Supply, Low-Power, Serial 8-Bit ADCs

Single-Supply, Low-Power,
Serial 8-Bit ADCs
ELECTRICAL CHARACTERISTICS—MAX1106 (continued)
(V_DD = +2.7V to +3.6V; IN- to GND; f_SCLK = 2MHz; 25ksps conversion rate; 1µF capacitor at REFOUT; external +2.048V reference at
REFIN; T_A = T_MIN to T_MAX; unless otherwise noted. Typical values are at T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
TRACK/HOLD
Conversion Time
t_CONV Figure 7
Track/Hold Acquisition Time
t_ACQ
Aperture Delay
Aperture Jitter
Internal Clock Frequency
External Clock Frequency Range
For data transfer only
INTERNAL REFERENCE
Output Voltage
V_REFOUT
REF Short-Circuit Current
I_REFSC (Note 5)
REF Tempco
Load Regulation
0 to 0.5mA (Note 6)
Capacitive Bypass at REFOUT
EXTERNAL REFERENCE
Input Voltage Range
V_REFIN
Input Current
+2.048V at REFIN, full scale
POWER REQUIREMENTS
Supply Voltage
V_DD
MIN TYP MAX UNITS
35
µs
1
µs
10
ns
<50
ps
400
kHz
2
MHz
1.968
1
2.048
150
±50
4
2.128
V
µA
ppm/°C
mV
µF
1.0
V_DD + 0.05 V
1
20
µA
2.7
3
5.5
V
V_DD = 3.6V, C_L = 10pF
96
250
Supply Current (Notes 2, 7)
I_DD
V_DD = 5.5V, C_L = 10pF
µA
115
Power down, V_DD = 3.6V
Power-Supply Rejection (Note 8) PSR Full-scale input, V_DD = 2.7V to 3.6V
DIGITAL INPUTS (SHDN, SCLK, and CONVST)
Threshold Voltage High
V_IH
V_DD ≤ 3.6V
V_DD > 3.6V
Threshold Voltage Low
V_IL
Input Hysteresis
V_HYST
Input Current High
I_IH
Input Current Low
I_IL
Input Capacitance
C_IN
0.5
2.5
±0.4
±4
mV
2
V
V
3
0.8
V
0.2
V
±1
µA
±1
µA
15
pF
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