Rainbow Electronics MAX1195 - Manual (Page 9)

MAX1195
Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________ 9
Typical Operating Characteristics (continued)
(V DD = 3V, OV DD = 3V, V REFIN = 2.048V, differential input at -1dB FS, f CLK = 40MHz, C L
≈ 10pF T
A = +25 °C, unless otherwise
noted.)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1195 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
MAX1195 toc25
V DD (V)
V
REFOUT
(V)
3.45 3.30 3.15 3.00 2.85
2.0304
2.0308
2.0312
2.0316
2.0320
2.0324
2.0300
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
40
50
60
70
80
30
30 70
SNR
SINAD
THD
SFDR f IN = 19.9159303MHz
DIGITAL SUPPLY CURRENT
vs. ANALOG INPUT FREQUENCY
MAX1195 toc23
ANALOG INPUT FREQUENCY (MHz)
I OVDD
(mA)
16 12 8 4
2
4
6
8
10
0
0 20
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1195 toc22
TEMPERATURE ( °C)
I VDD
(mA)
60 35 -15 10
26
27
28
29
30
31
32
33
25
-40 85
SNR/SINAD, THD/SFDR
vs. SAMPLING SPEED
MAX1195 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
SFDR
SNR
SINAD
THD
f IN = 19.9159303MHz
OFFSET ERROR vs. TEMPERATURE, EXTERNAL
REFERENCE V REFIN = 2.048V
MAX1195 toc20
TEMPERATURE ( °C)
OFFSET ERROR (%FS)
60 35 10 -15
-0.6
-0.4
-0.2
0
0.2
-0.8
-40 85
CHA
CHB
GAIN ERROR vs. TEMPERATURE, EXTERNAL
REFERENCE V REFIN = 2.048V
MAX1195 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
CHA
CHB