MAX1117 Datasheet, PDF (4/14 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
CONDITIONS
MIN TYP MAX UNITS
Serial Clock Falling Edge to
DOUT
t_cd
C_LOAD = 100pF
10
100
ns
Serial Clock Rising Edge to
DOUT High-Z
t_chz
C_LOAD = 100pF, Figure 2
100
500
ns
Last Serial Clock to Next CNVST
(Successive Conversions on
t_ccs
CH0)
50
ns
Note 1: Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range and off-
set have been calibrated.
Note 2: Input = 0, with logic input levels of 0 and V_DD.
Typical Operating Characteristics
(V_DD = +3V (MAX1117), V_DD = +5V (MAX1119), V_DD = V_REF = +3V (MAX1118), f_SCLK = 5MHz, f_SAMPLE = 100ksps, C_LOAD = 100pF,
T_A = +25°C, unless otherwise noted.)
INTEGRAL NONLINEARITY
vs.OUTPUT CODE
1.0
DIFFERENTIAL NONLINEARITY
vs.OUTPUT CODE
1.0
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
0.7
0.8
0.8
0.6
0.6
0.6
0.4
0.4
0.5
0.2
0.2
0.4
0
0
-0.2
-0.2
0.3
-0.4
-0.4
0.2
-0.6
-0.6
0.1
-0.8
-0.8
-1.0
-1.0
0
0 50 100 150 200 250 300
0 50 100 150 200 250 300
2.5
3.5
4.5
5.5
OUTPUT CODE
OUTPUT CODE
SUPPLY VOLTAGE (V)
MAX1118
SUPPLY CURRENT vs. CONVERSION RATE
100.0
V_DD = V_REF = V_DIGITAL
10.0
V_DD = +5V
1.0
V_DD = +3V
0.1
0.01
0.1
1
10
100
CONVERSION (ksps)
MAX1118
SUPPLY CURRENT vs. SUPPLY VOLTAGE
160
140
120
110
80
60
40
D_OUT = 00000000
20 ^{VDD = VREF = VDIGITAL INPUTS}
0
2.5
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
MAX1118 SUPPLY CURRENT
vs. TEMPERATURE
150
V_DD = +5V
100
V_DD = +3V
50
D_OUT = 00000000
V_DD = V_REF = V_{DIGITAL INPUTS}
0
-40 -15 10
35
60
85
TEMPERATURE (°C)
4 _______________________________________________________________________________________