MAX1182
Dual 10-Bit, 65Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3V, OV
DD
= 2.5V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a
10kΩ resistor, V
IN
= 2Vp-p (differential w.r.t. COM), C
L
= 10pF at digital outputs (Note 1), f
CLK
= 65MHz (50% duty cycle),
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Maximum REFP, COM Source
Current
I
SOURCE
> 5
Maximum REFP, COM Sink
Current
I
SINK
250
µA
Maximum REFN Source Current
I
SOURCE
250
µA
Maximum REFN Sink Current I
SINK
> 5
UNBUFFERED EXTERNAL REFERENCE (V
REFIN
= AGND, reference voltage applied to REFP, REFN, and COM)
REFP, REFN Input Resistance
R
REFP
,
R
REFN
Measured between REFP and COM, and
REFN and COM
4kΩ
Differential Reference Input
Voltage
ΔV
REF
ΔV
REF
= V
REFP
- V
REFN
1.024
±10%
V
COM Input Voltage V
COM
V
DD
/ 2
± 10%
V
REFP Input Voltage
V
REFP
V
COM
+
ΔV
REF
/ 2
V
REFN Input Voltage
V
REFN
V
COM
-
ΔV
REF
/ 2
V
DIGITAL INPUTS (CLK, PD, OE, SLEEP, T/B)
CLK
0.8
x V
DD
Input High Threshold V
IH
PD, OE, SLEEP, T/B
0.8
x OV
DD
V
CLK
0.2
x V
DD
Input Low Threshold V
IL
PD, OE, SLEEP, T/B
0.2
x OV
DD
V
Input Hysteresis
V
HYST
0.1 V
I
IH
V
IH
= OV
DD
or V
DD
(CLK) ±5
Input Leakage
I
IL
V
IL
= 0 ±5
µA
Input Capacitance C
IN
5pF
DIGITAL OUTPUTS (D9A–D0A, D9B–D0B)
Output-Voltage Low V
OL
I
SINK
= 200µA 0.2 V
Output-Voltage High V
OH
I
SOURCE
= 200µA
OV
DD
- 0.2
V
Three-State Leakage Current I
LEAK
OE = OV
DD
±10 µA
Three-State Output Capacitance
C
OUT
OE = OV
DD
5pF
MAX1182
Dual 10-Bit, 65Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3V, OV
DD
= 2.5V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a
10kΩ resistor, V
IN
= 2Vp-p (differential w.r.t. COM), C
L
= 10pF at digital outputs (Note 1), f
CLK
= 65MHz (50% duty cycle),
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
POWER REQUIREMENTS
Analog Supply Voltage Range V
DD
2.7 3.0 3.6 V
Output Supply Voltage Range OV
DD
1.7 2.5 3.6 V
Operating, f
INA or B
= 20MHz at -0.5dBFS 65 80
Sleep mode 2.8
mA
Analog Supply Current I
VDD
Shutdown, clock idle, PD = OE = OV
DD
115µA
Operating, C
L
= 15pF,
f
INA or B
= 20MHz at -0.5dBFS
11 mA
Sleep mode
100
Output Supply Current
I
OVDD
Shutdown, clock idle, PD = OE = OV
DD
210
µA
Operating, f
INA or B
= 20MHz at -0.5dBFS
195 240
Sleep mode 8.4
mW
Power Dissipation
PDISS
Shutdown, clock idle, PD = OE = OV
DD
345µW
Offset
±0.2 mV/V
Power-Supply Rejection Ratio PSRR
Gain
±0.1 %/V
TIMING CHARACTERISTICS
CLK Rise to Output Data Valid t
DO
Figure 3 (Note 5) 5 8 ns
Output Enable Time
t
ENABLE
Figure 4 10 ns
Output Disable Time
t
DISABLE
Figure 4 1.5 ns
CLK Pulse Width High t
CH
Figure 3, clock period: 15.4ns
7.7 ± 1.5
ns
CLK Pulse Width Low t
CL
Figure 3, clock period: 15.4ns
7.7 ± 1.5
ns
Wake-up from sleep mode (Note 6)
0.42
Wake-Up Time
t
WAKE
Wake-up from shutdown (Note 6) 1.5
µs
CHANNEL-TO-CHANNEL MATCHING
Crosstalk f
INA or B
= 20MHz at -0.5dBFS -70 dB
Gain Matching f
INA or B
= 20MHz at -0.5dBFS
0.02 ±0.2
dB
Phase Matching f
INA or B
= 20MHz at -0.5dBFS
0.25 d eg r ees
Note 1: Equivalent dynamic performance is obtainable over full OV
DD
range with reduced C
L
.
Note 2: Specifications at +25°C are guaranteed by production test and < +25°C are guaranteed by design and characterization.
Note 3: SNR, SINAD, THD, SFDR, and HD3 are based on an analog input voltage of -0.5dBFS referenced to a ±1.024V full-scale
input voltage range.
Note 4: Intermodulation distortion is the total power of the intermodulation products relative to the individual carrier. This number is
6dB or better, if referenced to the two-tone envelope.
Note 5: Digital outputs settle to V
IH
, V
IL
. Parameter guaranteed by design.
Note 6: With REFIN driven externally, REFP, COM, and REFN are left floating while powered down.
MAX1182
Dual 10-Bit, 65Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 3V, OV
DD
= 2.5V, internal reference, differential input at -0.5dBFS, f
CLK
= 65MHz, C
L
10pF, T
A
= +25°C, unless otherwise
noted.)
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 5 10 15 20 25 30 35
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHA
f
INA
= 6.0065MHz
f
INB
= 7.51410MHz
f
CLK
= 65.00057MHz
A
INA
= -0.55dBFS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 5 10 15 20 25 30 35
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
INA
= 6.0065MHz
f
INB
= 7.51410MHz
f
CLK
= 65.00057MHz
A
INB
= -0.56dBFS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 5 10 15 20 25 30 35
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHA
f
INA
= 20.08257MHz
f
INB
= 25.09727MHz
f
CLK
= 65.00057MHz
A
INB
= -0.52dBFS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 5 10 15 20 25 30 35
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc04
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
INA
= 20.08257MHz
f
INB
= 25.09727MHz
f
CLK
= 65.00057MHz
A
INB
= -0.52dBFS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 5 10 15 20 25 30 35
FFT PLOT CHA (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc05
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHA
f
INA
= 37.31661MHz
f
INB
= 46.99687MHz
f
CLK
= 65.00057MHz
A
INB
= -0.52dBFS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 5 10 15 20 25 30 35
FFT PLOT CHB (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc06
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
CHB
f
INA
= 37.31661MHz
f
INB
= 46.99687MHz
f
CLK
= 65.00057MHz
A
INB
= -0.49dBFS
-100
-70
-80
-90
-50
-60
-10
-20
-30
-40
0
0 5 10 15 20 25 30 35
TWO-TONE IMD PLOT (8192-POINT RECORD,
DIFFERENTIAL INPUT)
MAX1182 toc07
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
f
IN1
f
IN1
= 19.13042MHz
f
IN2
= 21.28864MHz
f
CLK
= 65.00057MHz
A
IN
= -6.5dBFS
f
IN2
IM2
IM3
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT FREQUENCY
MAX1182 toc08
ANALOG INPUT FREQUENCY (MHz)
SNR (dB)
61
55
56
57
58
59
60
0 102030405060708090100
CHA
CHB
62
61
54
0102030405060708090100
56
55
58
57
59
60
SIGNAL-TO-NOISE AND DISTORTION
vs. ANALOG INPUT FREQUENCY
MAX1182 toc09
ANALOG INPUT FREQUENCY (MHz)
SINAD (dB)
CHA
CHB

MAX1182ECM+TD

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
Analog to Digital Converters - ADC 10-Bit 2Ch 65Msps High Speed ADC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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