MAX1185ECM+TD Maxim Integrated Products, MAX1185ECM+TD Datasheet - Page 6

• Manufacturer Part Number: MAX1185ECM+TD
• Description: IC ADC 10BIT 20MSPS DL 48-TQFP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1185ECM+TD

• Number Of Bits: 10
• Sampling Rate (per Second): 20M
• Number Of Converters: 2
• Power Dissipation (max): 2.43W
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual 10-Bit, 20Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
(V
6
DD
-100
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
_______________________________________________________________________________________
-10
-20
-30
-40
-50
-60
-70
-80
-90
62
60
58
56
54
0
= 3V, OV
0
0
0
0
FFT PLOT CHA (DIFFERENTIAL INPUT,
FFT PLOT CHB (DIFFERENTIAL INPUT,
f
f
f
A
f
f
f
A
HD3
CLK
INA
INB
SIGNAL-TO-NOISE AND DISTORTION
CLK
INA
INB
INA
INA
1
vs. ANALOG INPUT FREQUENCY
1
5
= 5.9742906MHz
= 7.5343935MHz
= 7.5343935MHz
= 11.9852035MHz
= 20.0005678MHz
= -0.525dBFS
= 20.0005678MHz
= -0.471dBFS
ANALOG INPUT FREQUENCY (MHz)
8192-POINT DATA RECORD)
ANALOG INPUT FREQUENCY (MHz)
8192-POINT DATA RECORD)
ANALOG INPUT FREQUENCY (MHz)
DD
2
2
10 15
HD2
HD3
3
= 2.5V, V
3
CHA
4
4
20
CHB
5
5
25
REFIN
6
6
30
HD2
7
7
= 2.048V, differential input at -0.5dBFS, f
35
8
8
40
CHA
CHB
9
9
10
10
45
-100
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-60
-64
-68
-72
-76
-80
0
0
TWO-TONE IMD PLOT (DIFFERENTIAL INPUT,
0
0
0
FFT PLOT CHB (DIFFERENTIAL INPUT,
f
f
f
A
CLK
IN1
IN2
f
f
f
A
CLK
INA
INB
IN
INA
1
1
HD3
= -6.5dBFS
= 11.9852035MHz
= 12.8934324MHz
vs. ANALOG INPUT FREQUENCY
5
TOTAL HARMONIC DISTORTION
= 20.0005678MHz
= 5.9742906MHz
= 7.5243935MHz
= 20.0005678MHz
= -0.462dBFS
8192-POINT DATA RECORD)
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
8192-POINT DATA RECORD)
ANALOG INPUT FREQUENCY (MHz)
IM2
2
2
10
3
3
15
HD2
CHA
4
4
20
IM3
5
5
25
CHB
f
Typical Operating Characteristics
IN2
CLK
6
6
30 35
7
7
= 20MHz, C
8
8
IM3
40
f
9
CHB
9
IN1
10
45
10
L
≈ 10pF, T
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
61
58
57
56
55
80
76
72
68
64
60
60
59
0
0
0
A
0
FFT PLOT CHA (DIFFERENTIAL INPUT,
f
f
f
A
CLK
INA
INB
= +25°C, unless otherwise noted.)
INA
SPURIOUS-FREE DYNAMIC RANGE
1
vs. ANALOG INPUT FREQUENCY
HD3
5
vs. ANALOG INPUT FREQUENCY
5
= 7.5343935MHz
= 11.9852035MHz
= 20.0005678MHz
= -0.489dBFS
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
8192-POINT DATA RECORD)
ANALOG INPUT FREQUENCY (MHz)
SIGNAL-TO-NOISE RATIO
2
10
10
CHA
3
15
15
HD2
CHB
CHA
4
20
20
5
25
25
6
CHB
30
30
7
35
35
8
40
40
CHA
9
45
10
45