
MAX1197
Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________
9
Typical Operating Characteristics (continued)
(VDD = 3V, OVDD = 3V, VREFIN = 2.048V, differential input at -1dB FS, fCLK = 40MHz, CL
≈ 10pF TA = +25°C, unless otherwise
noted.)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1197
toc26
TEMPERATURE (
°C)
V
REFOUT
(V)
60
35
10
-15
2.024
2.028
2.032
2.036
2.040
2.020
-40
85
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX1197
toc25
VDD (V)
V
REFOUT
(V)
3.45
3.30
3.15
3.00
2.85
2.0315
2.0317
2.0319
2.0321
2.0313
2.70
3.60
SNR/SINAD, THD/SFDR
vs. CLOCK DUTY CYCLE
MAX1195
toc24
CLOCK DUTY CYCLE (%)
SNR/SINAD,
THD/SFDR
(dB,
dBc)
60
50
40
50
60
70
80
30
70
SNR
SINAD
THD
SFDR
fIN = 19.9333995MHz
DIGITAL SUPPLY CURRENT
vs. ANALOG INPUT FREQUENCY
MAX1197
toc23
ANALOG INPUT FREQUENCY (MHz)
I OVDD
(mA)
20
15
10
5
3
6
9
12
15
0
025
30
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1197
toc22
TEMPERATURE (
°C)
I VDD
(mA)
60
35
-15
10
38
40
42
44
46
36
-40
85
SNR/SINAD, THD/SFDR
vs. SAMPLING SPEED
MAX1197
toc21
SAMPLING SPEED (Msps)
SNR/SINAD,
THD/SFDR
(dB,
dBc)
80
60
40
20
-80
-60
-40
-20
0
20
40
60
80
100
-100
0
100
SNR
SINAD
THD
fIN = 19.9333995MHz
SFDR
MAX1197
toc20
TEMPERATURE (
°C)
OFFSET
ERROR
(%FS)
60
35
10
-15
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-1.0
-40
85
OFFSET ERROR vs. TEMPERATURE, EXTERNAL
REFERENCE VREFIN = 2.048V
CHA
CHB
GAIN ERROR vs. TEMPERATURE, EXTERNAL
REFERENCE VREFIN = 2.048V
MAX1197
toc19
TEMPERATURE (
°C)
GAIN
ERROR
(%FS)
60
35
10
-15
0
0.1
0.2
0.3
0.4
0.5
-0.1
-40
85
CHB
CHA