MAX1117 Datasheet, PDF (3/14 Pages) Maxim Integrated Products – Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs

Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
ELECTRICAL CHARACTERISTICS (continued)
(V_DD = +2.7V to +3.6V (MAX1117), V_DD = +4.5V to +5.5V (MAX1119), V_DD = REF = +2.7V to +5.5V (MAX1118),T_A = T_MIN to T_MAX,
unless otherwise noted.)
PARAMETER
SYMBOL
EXTERNAL REFERENCE (MAX1118 ONLY)
Input Voltage Range
Input Current
POWER REQUIREMENTS
Supply Voltage
V_DD
CONDITIONS
Ave, V_DD = REF = +5.5V at 100ksps
MAX1118
MAX1117
MAX1119
MAX1119, f_SAMPLE = 100ksps,
zero-scale input
MAX1117/MAX1118, f_SAMPLE = 100ksps,
zero-scale input
Supply Current (Note 2)
I_DD
MAX1119, f_SAMPLE = 10ksps,
zero-scale input
MAX1117/MAX1118, f_SAMPLE = 10ksps,
zero-scale input
Supply Rejection Ratio
PSRR
DIGITAL INPUTS (CNVST AND SCLK)
Input High Voltage
V_IH
Input Low Voltage
V_IL
Input Hystersis
V_HYST
Input Current High
I_IH
Input Current Low
I_IL
Input Capacitance
C_IN
DIGITAL OUTPUT (DOUT)
Shutdown
Full-scale or 0 input
Output High Voltage
V_OH
Output Low Voltage
V_OL
Three-State Leakage Current
I_L
Three-State Output Capacitance
C_OUT
TIMING CHARACTERISTICS (Figures 6a–6d)
CNVST High Time
t_csh
CNVST Low Time
Conversion Time
t_csi
t_conv
Serial Clock High Time
t_ch
Serial Clock Low Time
t_cl
Serial Clock Period
t_cp
Falling of CNVST to DOUT Active
t_csd
I_SOURCE = 2mA
I_SINK = 2mA
I_SINK = 4mA
C_LOAD = 100pF, Figure 1
MIN TYP MAX UNITS
1.0
V_DD
V
10
20
µA
2.7
5.5
2.7
5.5
V
4.5
5.5
182 230
135
190
µA
19
25
14
21
0.8
10
±0.5
±1 LSB/V
2
V
0.8
V
0.2
V
±10
µA
±10
µA
2
pF
V_DD - 0.5
V
0.4
V
0.8
V
±0.01 ±10
µA
4
pF
100
ns
100
ns
7.5
µs
75
ns
75
ns
200
ns
100
ns
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