MAX1186 Datasheet, PDF (8/21 Pages) Maxim Integrated Products – Dual 10-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs

Dual 10-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
Typical Operating Characteristics (continued)
(V_DD = 3V, OV_DD = 2.5V, V_REFIN = 2.048V, differential input at -0.5dB FS, f_CLK = 40.00057MHz, C_L ≈ 10pF, T_A = +25°C,
unless otherwise noted.)
OFFSET ERROR vs. TEMPERATURE
EXTERNAL REFERENCE (V_REFIN = 2.048V)
0.2
0.1
0
-0.1
CHB
-0.2
-0.3
CHA
-0.4
-40 -15 10
35
60
85
TEMPERATURE (°C)
ANALOG POWER-DOWN CURRENT
vs. ANALOG POWER SUPPLY
0.40
OE = PD = OV_DD
0.32
ANALOG SUPPLY CURRENT vs.
ANALOG SUPPLY VOLTAGE
45
43
41
39
37
35
2.70 2.85 3.00 3.15 3.30 3.45 3.60
V_DD (V)
SFDR, SNR, THD, SINAD vs.
CLOCK DUTY CTCLE
80
SFDR
f_INA/B = 7.5342866MHz
74
ANALOG SUPPLY CURRENT vs.
TEMPERATURE
42
41
40
39
38
37
36
-40 -15
10
35
60
85
TEMPERATURE (°C)
2.0100
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
2.0080
0.24
68
THD
2.0060
SNR
0.16
62
2.0040
0.08
56
SINAD
2.0020
0
2.70 2.85 3.00 3.15 3.30 3.45 3.60
V_DD (V)
50
20 30 40 50 60 70 80
CLOCK DUTY CYCLE (%)
2.0000
2.70 2.85 3.00 3.15 3.30 3.45 3.60
V_DD (V)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.014
2.010
2.006
2.002
1.998
1.994
-40 -15 10
35
60
85
TEMPERATURE (°C)
OUTPUT NOISE HISTOGRAM (DC INPUT)
70,000
63,000
64,515
56,000
49,000
42,000
35,000
28,000
21,000
14,000
7,000
0
0 ⁸⁶⁹
152 0
N-2 N-1 N
N+1 N+2
DIGITAL OUTPUT CODE
8 _______________________________________________________________________________________