Rainbow Electronics MAX1116 - Manual (Page 5)

MAX1115/MAX1116
Single-Supply, Low-Power, Serial 8-Bit ADCs
_______________________________________________________________________________________ 5
MAX1115 toc10
-2.0
0
0.5
-1.0
-0.5
-1.5
1.5
1.0
2.0
-40 60 35 10 -15 85
GAIN ERROR
vs. TEMPERATURE
TEMPERATURE ( °C)
GAIN ERROR (%FSR)
MAX1116
V
DD
= +5V
MAX1115
V
DD = +3V
-120
-80
-100
-60
-40
-20
0
0 20k 10k 30k 40k 50k
FFT PLOT
MAX1115 toc11
ANALOG INPUT FREQUENCY (Hz)
AMPLITUDE (dB)
f SAMPLE = 100kHz
f IN = 25.1kHz
A IN = 0.9xV REF p-p
-0.5
0
-0.1
0.1
-0.2
-0.3
-0.4
0.3
0.2
0.4
0.5
2.5 3.0 4.0 5.0 4.5 3.5 5.5
OFFSET ERROR vs.
SUPPLY VOLTAGE
MAX1115 toc12
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
MAX1116
VDD = +3V
MAX1115
VDD = +3V
-0.5
0
-0.1
0.1
-0.2
-0.3
-0.4
0.3
0.2
0.4
0.5
-40 -15 60 35 10 85
OFFSET ERROR vs.
TEMPERATURE
MAX1115 toc13
TEMPERATURE ( °C)
OFFSET ERROR (LSB)
MAX1116
VDD = +3V
MAX1115
VDD = +5V
0
10.5%
7.0%
3.5%
17.5%
21.0%
14.0%
1.982 2.008 2.086 2.060 2.034 2.112
MAX1115
REFERENCE VOLTAGE
vs. NUMBER OF PIECES
MAX1115 toc14
REFERENCE VOLTAGE (V)
0
7.0%
3.5%
14.0%
10.5%
17.5%
3.980 4.020 4.140 4.100 4.060 4.180
MAX1116
REFERENCE VOLTAGE
vs. NUMBER OF PIECES
MAX1115 toc15
REFERENCE VOLTAGE (V)
21.0%
Typical Operating Characteristics (continued)
(V DD = +3V (MAX1115), V DD = +5V (MAX1116), fscu = 5MHz, fsample = 100ksps, C
LOAD
= 100pF, T A = +25°C, unless otherwise
noted.)