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HMCAD1040-80

v01.0411

Dual 10-Bit 65/80 MSPS

a/D Converter

aC electrical Specifications - 80 MSPS

AvDD= 1.8v, DvDD= 1.8v, DvDDCK= 1.8v, ovDD= 2.5v, 65/80 MsPs clock, 50% clock duty cycle, -1 dBFs 8 MHz input signal, unless otherwise

noted

Parameter

Condition

Min.

typ.

Max.

Units

Performance

snr

signal to noise ratio

FIn = 8 MHz

60

61.6

dBFs

FIn = 20 MHz

61.2

dBFs

FIn = 30 MHz

61.3

dBFs

FIn =~ Fs/2

61.3

dBFs

snDr

signal to noise and Distortion ratio

FIn = 8 MHz

60

61.3

dBFs

FIn = 20 MHz

60.7

dBFs

FIn = 30 MHz

61

dBFs

FIn =~ Fs/2

59

dBFs

sFDr

spurious Free Dynamic range

FIn = 8 MHz

70

75

dBc

FIn = 20 MHz

75

dBc

FIn = 30 MHz

75

dBc

FIn =~ Fs/2

65

dBc

HD2

second order Harmonic Distortion

FIn = 8 MHz

-80

-90

dBc

FIn = 20 MHz

-95

dBc

FIn = 30 MHz

-90

dBc

FIn =~ Fs/2

-80

dBc

HD3

third order Harmonic Distortion

FIn = 8 MHz

-70

-75

dBc

FIn = 20 MHz

-75

dBc

FIn = 30 MHz

-75

dBc

FIn =~ Fs/2

-65

dBc

enoB

effective number of Bits

FIn = 8 MHz

9.7

9.9

bits

FIn = 20 MHz

9.8

bits

FIn = 30 MHz

9.8

bits

FIn =~ Fs/2

9.5

bits

Crosstalk

signal crosstalk between channels,

FIn1=8MHz, FIn0=9.9MHz

-95

dB

Power Supply

Analog supply current

26.5

mA

Digital supply current

Digital core supply

6.1

mA

output driver supply

2.5v output driver supply, sine wave input,

FIn = 1 MHz, CK_eXt enabled

9.5

mA

output driver supply

2.5v output driver supply, sine wave input,

FIn = 1 MHz, CK_eXt disabled

7.6

mA

Analog power Dissipation

47.7

mW

Digital power Dissipation

ovDD = 2.5v, 5pF load on output bits,

FIn = 1 MHz, CK_eXt disabled

30

mW

total power Dissipation

ovDD = 2.5v, 5pF load on output bits,

FIn = 1 MHz, CK_eXt disabled

77.7

mW

Power Down Dissipation

9.1

µW

sleep Mode 1

Power Dissipation, sleep mode one channel

46.1

mW

sleep Mode 2

Power Dissipation, sleep mode both channels

18.3

mW

Clock Inputs

Max. Conversion rate

80

MsPs

Min. Conversion rate

3

MsPs