MAX19707ETM datasheet(5/37 Pages) MAXIM

Part #	MAX19707ETM

Description	10-Bit, 45Msps, Ultra-Low-Power Analog Front-End

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Manufacturer	MAXIM [Maxim Integrated Products]

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10-Bit, 45Msps, Ultra-Low-Power

Analog Front-End

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 3V, OVDD = 1.8V, internal reference (1.024V), CL

≈ 10pF on all digital outputs, fCLK = 45MHz (50% duty cycle), Rx ADC input

amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, CREFP = CREFN =

CCOM = 0.33µF, unless otherwise noted. CL < 5pF on all aux-DAC outputs. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Tx DAC DC ACCURACY

Resolution

N

10

Bits

Integral Nonlinearity

INL

±0.3

LSB

Differential Nonlinearity

DNL

Guaranteed monotonic (Note 6)

-1

±0.2

+1

LSB

TA

≥ +25°C

-4

±1

+4

Residual DC Offset

VOS

TA < +25°C

-4.5

±1

+4.5

mV

TA

≥ +25°C

-30

+30

Full-Scale Gain Error

Include reference error

(peak-to-peak error)

TA < +25°C

-40

+40

mV

Tx DAC DYNAMIC PERFORMANCE

DAC Conversion Rate

fCLK

(Note 2)

45

MHz

In-Band Noise Density

ND

fOUT = 2.2MHz, fCLK = 45MHz

-130.6

dBc/Hz

Third-Order Intermodulation

Distortion

IM3

f1 = 2MHz, f2 = 2.2MHz

80

dBc

Glitch Impulse

10

pV•s

Spurious-Free Dynamic Range to

Nyquist

SFDR

fCLK = 45MHz, fOUT = 2.2MHz

60

73.2

dBc

Total Harmonic Distortion to

Nyquist

THD

fCLK = 45MHz, fOUT = 2.2MHz

-71

-59

dB

Signal-to-Noise Ratio to Nyquist

SNR

fCLK = 45MHz, fOUT = 2.2MHz

57.1

dB

Tx DAC INTERCHANNEL CHARACTERISTICS

I-to-Q Output Isolation

fOUTX,Y = 2MHz, fOUTX,Y = 2.2MHz

85

dB

TA

≥ +25°C

-0.3

±0.01

+0.3

Gain Mismatch Between DAC

Outputs

Measured at DC

TA < +25°C

-0.42

+0.42

dB

Phase Mismatch Between DAC

Outputs

fOUT = 2.2MHz, fCLK = 45MHz

±0.07

Degrees

Differential Output Impedance

800

Ω

Tx DAC ANALOG OUTPUT

Full-Scale Output Voltage

VFS

±400

mV

Bits CM1 = 0, CM0 = 0 (default)

1.0

1.05

1.1

Bits CM1 = 0, CM0 = 1

0.95

Bits CM1 = 1, CM0 = 0

0.80

Output Common-Mode Voltage

VCOM

Bits CM1 = 1, CM0 = 1

0.71

V

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