AD9975ABST datasheet(2/20 Pages) AD

Teilenummer	AD9975ABST

Bauteilbeschribung	Broadband Modem Mixed-Signal Front End

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Hersteller	AD [Analog Devices]

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REV. 0

–2–

AD9975–SPECIFICATIONS

Test

Parameter

Temp

Level

Min

Typ

Max

Unit

OSC IN CHARACTERISTICS

Frequency Range

Full

I

10

50

MHz

Duty Cycle

25

°CII

40

50

60

%

Input Capacitance

25

°C

III

3

pF

Input Impedance

25

°C

III

100

M

Ω

CLOCK OUTPUT CHARACTERISTICS

CLKA Jitter (FCLKA Derived from PLL)

25

°CII

14

ps rms

CLKA Duty Cycle

25

°C

III

50

±5%

TX CHARACTERISTICS

2

× Interpolation Filter Characteristics

TX Path Latency, 2

× Interpolation

Full

II

30

FDAC Cycles

Pass-Band Flatness 0 MHz to 20.7 MHz

Full

II

0.8

dB

Stop-Band Rejection @ 29.3 MHz

Full

II

35

dB

TxDAC

Resolution

Full

II

10

Bits

Conversion Rate

Full

II

10

100

MHz

Full-Scale Output Current

Full

II

2

10

20

mA

Voltage Compliance Range (TX+ or TX– AVSS) Full

II

–0.5

+1.5

V

Gain Error

25

°CII

–5.5

±2+5.0

%FS

Output Offset

25

°CII

0

2

TBD

µA

Differential Nonlinearity

25

°C

III

0.5

LSB

Integral Nonlinearity

25

°CII

1

LSB

Output Capacitance

25

°C

III

5

pF

Phase Noise @ 1 kHz Offset, 10 MHz Signal

25

°C

III

–100

dBc/Hz

Signal-to-Noise and Distortion (SINAD)

5 MHz Analog Out (20 MHz BW)

25

°CII

–60.6

dB

Wideband SFDR (to Nyquist, 50 MHz max)

25

°C

III

5 MHz Analog Out

25

°C

III

–76.2

dBc

Narrowband SFDR (3 MHz Window)

5 MHz Analog Out

25

°C

III

–77.9

dBc

IMD (f1 = 6.25 MHz, f2 = 7.8125 MHz)

25

°C

III

–77

dBFS

RX PATH CHARACTERISTICS (LFP Bypassed)

Resolution

N/A

10

Bits

Conversion Rate

Full

II

10

50

MHz

Pipeline Delay, ADC Clock Cycles

N/A

5.5

Cycles

Dynamic Performance (AIN = –0.5 dBFS, f = 5 MHz)

@ FOSCIN = 50 MHz, RX LPF Bypassed

Signal-to-Noise and Distortion Ratio (SINAD)

Full

III

–56.6

dB

Effective Number of Bits (ENOB)

Full

III

9.1

Bits

Signal-to-Noise Ratio (SNR)

Full

III

–59.2

dB

Total Harmonic Distortion (THD)

Full

III

–60.1

dB

Spurious-Free Dynamic Range (SFDR)

Full

III

–66

dB

RX PATH GAIN/OFFSET

Minimum Programmable Gain

25

°CI

–6

dB

Maximum Programmable Gain

Narrow Band Rx LPF or Rx LPF Bypassed

25

°CI

+36

dB

Wideband Rx LPF

25

°CI

+30

dB

Gain Step Size

25

°CI

2

dB

Gain Step Accuracy

25

°CII

±0.4

dB

Gain Range Error

Full

II

±1.0

dB

Absolute Gain Error, PGA Gain = 0 dB

Full

II

±0.8

dB

RX PATH INPUT CHARACTERISTICS

Input Voltage Range (Gain = –6 dB)

Full

III

4

Vppd

Input Capacitance

25

°C

III

4

pF

Differential Input Resistance

25

°C

III

270

Ω

Input Bandwidth (–3 dB) (Rx LPF Bypassed)

25

°C

III

50

MHz

Input Referred Noise (at +36 dB Gain with Filter)

25ºC

III

16

µV rms

Input Referred Noise (at –6 dB Gain with Filter)

25ºC

III

684

µV rms

Common-Mode Rejection

25ºC

III

40

dB

(VS = 3.3 V

10%, FOSCIN = 50 MHz, FDAC = 100 MHz, Gain = –6 dB,

RSET = 4.02 k , 100

DAC Load.)

Ähnliche Beschreibung - AD9975ABST

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Analog Devices	AD9865	1Mb / 48P	Broadband Modem Mixed-Signal Front End REV. A
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	AD9866	1Mb / 48P	Broadband Modem Mixed-Signal Front End REV. B
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	AD9869	561Kb / 37P	Broadband Modem Mixed-Signal Front End
	AD9875	288Kb / 24P	Broadband Modem Mixed-Signal Front End REV. 0
	AD9876	672Kb / 24P	Broadband Modem Mixed-Signal Front End REV. A
	AD9868	839Kb / 36P	Broadband Modem Mixed-Signal Front End REV. 0

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