Datasheet

MAX1167/MAX1168
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
_______________________________________________________________________________________ 7
Typical Operating Characteristics
(AV
DD
= DV
DD
= +5V, f
SCLK
= 4.8MHz, C
DOUT
= 30pF, external V
REF
= +4.096V, T
A
= +25°C, unless otherwise noted.)
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
0 3276816384 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 3276816384 49152 65536
DNL vs. CODE
MAX1167/68 toc02
CODE
DNL (LSB)
-160
-120
-100
-140
-40
-60
-20
-80
0
20
0608020 40 100
FFT AT f
AIN
= 1kHz
MAX1167/68 toc03
FREQUENCY (kHz)
AMPLITUDE (dB)
SINAD vs. FREQUENCY
MAX1167/68 toc04
FREQUENCY (kHz)
SINAD (dB)
101
10
20
30
40
50
70
60
80
90
100
0
0.1 100
f
SAMPLE
= 200kbps
SFDR vs. FREQUENCY
MAX1167/68 toc05
FREQUENCY (kHz)
SFDR (dB)
101
20
40
60
80
100
120
0
0.1 100
f
SAMPLE
= 200ksps
THD vs. FREQUENCY
MAX1167/68 toc06
FREQUENCY (kHz)
THD (dB)
101
-100
-80
-60
-40
-20
0
-120
0.1 100
f
SAMPLE
= 200kbps
SUPPLY CURRENT vs. CONVERSION RATE
(EXTERNAL CLOCK)
MAX1167/68 toc07
CONVERSION RATE (ksps)
SUPPLY CURRENT (mA)
18016014012010080604020
0
0.5
1.0
1.5
2.0
2.5
3.0
-0.5
0 200
I
AVDD
, INT REF
I
AVDD
, EXT REF
DV
DD
= AV
DD
= +5V
D
OUT
= ALL ZEROS
EXTERNAL CLOCK
SPI MODE
I
DVDD
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
(INTERNAL REFERENCE)
MAX1167/68 toc08
AV
DD
(V)
I
AVDD
(mA)
5.155.054.954.85
2.75
2.80
2.85
2.90
2.95
2.70
4.75 5.25
DV
DD
= +5V
f
S
= 200ksps
T
A
= 0°C
T
A
= -40°C
T
A
= +85°C
T
A
= +70°C
T
A
= +25°C
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
(EXTERNAL REFERENCE)
MAX1167/68 toc09
AV
DD
(V)
I
AVDD
(mA)
5.155.054.954.85
1.80
1.85
1.90
1.95
2.00
1.75
4.75 5.25
T
A
= 0°C
T
A
= -40°C
T
A
= +85°C
T
A
= +70°C
T
A
= +25°C
DV
DD
= +5V
f
S
= 200ksps