
MAX1167/MAX1168
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
_______________________________________________________________________________________
7
Typical Operating Characteristics
(AVDD = DVDD = +5V, fSCLK = 4.8MHz, CDOUT = 30pF, external VREF = +4.096V, TA = +25°C, unless otherwise noted.)
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
0
32768
16384
49152
65536
INL vs. CODE
MAX1167/68
toc01
CODE
INL
(LSB)
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
0
32768
16384
49152
65536
DNL vs. CODE
MAX1167/68
toc02
CODE
DNL
(LSB)
-160
-120
-100
-140
-40
-60
-20
-80
0
20
060
80
20
40
100
FFT AT fAIN = 1kHz
MAX1167/68
toc03
FREQUENCY (kHz)
AMPLITUDE
(dB)
SINAD vs. FREQUENCY
MAX1167/68
toc04
FREQUENCY (kHz)
SINAD
(dB)
10
1
10
20
30
40
50
70
60
80
90
100
0
0.1
100
fSAMPLE = 200kbps
SFDR vs. FREQUENCY
MAX1167/68
toc05
FREQUENCY (kHz)
SFDR
(dB)
10
1
20
40
60
80
100
120
0
0.1
100
fSAMPLE = 200ksps
THD vs. FREQUENCY
MAX1167/68
toc06
FREQUENCY (kHz)
THD
(dB)
10
1
-100
-80
-60
-40
-20
0
-120
0.1
100
fSAMPLE = 200kbps
SUPPLY CURRENT vs. CONVERSION RATE
(EXTERNAL CLOCK)
MAX1167/68
toc07
CONVERSION RATE (ksps)
SUPPLY
CURRENT
(mA)
180
160
140
120
100
80
60
40
20
0
0.5
1.0
1.5
2.0
2.5
3.0
-0.5
0
200
IAVDD, INT REF
IAVDD, EXT REF
DVDD = AVDD = +5V
DOUT = ALL ZEROS
EXTERNAL CLOCK
SPI MODE
IDVDD
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
(INTERNAL REFERENCE)
MAX1167/68
toc08
AVDD (V)
I AVDD
(mA)
5.15
5.05
4.95
4.85
2.75
2.80
2.85
2.90
2.95
2.70
4.75
5.25
DVDD = +5V
fS = 200ksps
TA = 0
°C
TA = -40
°C
TA = +85
°C
TA = +70
°C
TA = +25
°C
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
(EXTERNAL REFERENCE)
MAX1167/68
toc09
AVDD (V)
I AVDD
(mA)
5.15
5.05
4.95
4.85
1.80
1.85
1.90
1.95
2.00
1.75
4.75
5.25
TA = 0
°C
TA = -40
°C
TA = +85
°C
TA = +70
°C
TA = +25
°C
DVDD = +5V
fS = 200ksps