MAX1195 datasheet(2/22 Pages) MAXIM | Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs

Part No.	MAX1195

Description	Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with

Internal Reference and Parallel Outputs

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = OVDD = 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10k

Ω

resistor, VIN = 2VP-P (differential with respect to COM), CL = 10pF at digital outputs, fCLK = 40MHz, TA = TMIN to TMAX, unless

otherwise noted.

≥+25°C guaranteed by production test, <+25°C guaranteed by design and characerization. Typical values are at

TA = +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.

VDD, OVDD to GND ...............................................-0.3V to +3.6V

OGND to GND.......................................................-0.3V to +0.3V

INA+, INA-, INB+, INB- to GND ...............................-0.3V to VDD

REFIN, REFOUT, REFP, REFN,

COM, CLK to GND .................................-0.3V to (VDD + 0.3V)

OE, PD, SLEEP, T/B, D7A–D0A,

D7B–D0B to OGND .............................-0.3V to (OVDD + 0.3V)

Continuous Power Dissipation (TA = +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

fIN = 7.51MHz (Note 1)

±0.3

±1

LSB

Differential Nonlinearity

DNL

fIN = 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

VDIFF

Differential or single-ended inputs

±1.0

V

Common-Mode Input Voltage

Range

VCM

VDD / 2

±0.2

V

Input Resistance

RIN

Switched capacitor load

140

k

Ω

Input Capacitance

CIN

5pF

CONVERSION RATE

Maximum Clock Frequency

fCLK

40

MHz

Data Latency

5

Clock

Cycles

DYNAMIC CHARACTERISTICS (fCLK = 40MHz, 4096-point FFT)

fINA or B = 1MHz at -1dB FS

48.7

fINA or B = 7.5MHz at -1dB FS

48.7

fINA or B = 20MHz at -1dB FS

47.5

48.6

Signal-to-Noise Ratio

SNR

fINA or B = 115.1MHz at -1dB FS

48.0

dB

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