Datasheet

MAX1196
Dual 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
DD
= OV
DD
= 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10kΩ
resistor, V
IN
= 2V
P-P
(differential with respect to COM), C
L
= 10pF at digital outputs (Note 5), f
CLK
= 40MHz, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. ≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization. Typical values
are at T
A
= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
V
DD
, OV
DD
to GND .............................................. -0.3V to +3.6V
OGND to GND...................................................... -0.3V to +0.3V
INA+, INA-, INB+, INB- to GND ...............................-0.3V to V
DD
REFIN, REFOUT, REFP, REFN, COM,
CLK to GND............................................-0.3V to (V
DD
+ 0.3V)
OE, PD, SLEEP, T/B,
D7A/B–D0A/B, A/B to OGND...............-0.3V to (OV
DD
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
48-Pin TQFP (derate 12.5mW/°C above +70°C)........1000mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
DC ACCURACY
Resolution 8 Bits
Integral Nonlinearity INL f
IN
= 7.51MHz (Note 1)
±0.3
±1 LSB
Differential Nonlinearity DNL
f
IN
= 7.51MHz, no missing codes
guaranteed (Note 1)
±0.15
±1 LSB
Offset Error ±4
%FS
Gain Error ±4
%FS
Gain Temperature Coefficient
±100
ppm/°C
ANALOG INPUT
Differential Input Voltage Range
V
DIFF
Differential or single-ended inputs
±1.0
V
Common-Mode Input Voltage
Range
V
CM
V
DD
/ 2
± 0.2
V
Input Resistance R
IN
Switched capacitor load
140
kΩ
Input Capacitance C
IN
5pF
CONVERSION RATE
Maximum Clock Frequency f
CLK
40
MHz
CHA 5
Data Latency
CHB 5.5
Clock
Cycles
DYNAMIC CHARACTERISTICS (f
CLK
= 40MHz)
f
INA or B
= 2MHz at -1dB FS
48.7
f
INA or B
= 7.5MHz at -1dB FS
48.7
f
INA or B
= 20MHz at -1dB FS
47.5 48.5
Signal-to-Noise Ratio SNR
f
INA or B
= 101MHz at -1dB FS 48
dB
f
INA or B
= 2MHz at -1dB FS
48.6
f
INA or B
= 7.5MHz at -1dB FS
48.7
f
INA or B
= 20MHz at -1dB FS 47
48.4
Signal-to-Noise and Distortion SINAD
f
INA or B
= 101MHz at -1dB FS 48
dB