AD7011 datasheet(2/12 Pages) AD

2 / 12 page

REV. B

–2–

AD7011–SPECIFICATIONS1(V

AA = VDD = +5 V

10%; Test = AGND = DGND = 0 V; Digital Mode,

fMCLK = 3.1104 MHz; Analog Mode, fMCLK = 2.56 MHz, POWER = VDD. All specifications are TMIN to TMAX unless otherwise noted.)

Parameter

AD7011ARS

Units

Test Conditions/Comments

DIGITAL MODE TRANSMIT SPECIFICATIONS

Number of Channels

(ITx – ITx) and (QTx – QTx)

Output Signal Range

VREF + VREF/4

Volts

For Each Analog Output

Differential Output Range

+VREF/2

Volts

I Channel = (ITx – ITx) and

Q Channel = (QTx – QTx)

Signal Vector Magnitude

0.875

± 7.5%

Volts max

Measured Differentially

Error Vector Magnitude2

% rms typ

2.5

% rms max

Offset Vector Magnitude

0.5

% typ

2.5

% max

IS-54 Spurious Power

2, 3

@ 30 kHz

–35

dB typ

–30

dB max

@ 60 kHz

–70

dB typ

–65

dB max

@ 90 kHz, 120 kHz

–75

dB typ

–70

dB max

ANALOG MODE SPECIFICATIONS

No. of Channels

(ITx – ITx) and (QTx – QTx)

Resolution

Bits

Output Signal Range

VREF ± VREF/3

Volts

For Each Analog Output

Differential Output Range

±2V

REF/3

Volts

I Channel = (ITx – ITx) and

Q Channel = (QTx – QTx)

DAC Update Rate

160

kHz

MCLK/16; fMCLK = 2.56 MHz

SNR

dB typ

Generating a 10 kHz Sine Wave

dB min

Differential Offset Error

±15

mV max

Post Calibration

Group Delay Matching Between I & Q Outputs

ns typ

Coding

Twos Complement

Maximum and Minimum DAC Codes

+450/–450

max/min

REFERENCE & CHANNEL SPECIFICATIONS

Reference, VREF

2.46

Volts

Reference Accuracy

±5%

I and Q Gain Matching

±0.2

dB max

Measured @ 10 kHz

Power-Down Option

Yes

Power = 0 V

LOGIC INPUTS

VINH, Input High Voltage

VDD – 0.9

V min

VINL, Input Low Voltage

0.9

V max

IINH, Input Current

FA max

CIN, Input Capacitance

pF max

LOGIC OUTPUTS

VOH Output High Voltage

VDD – 0.4

V min

|IOUT|

≤ 40 µA

VOL Output Low Voltage

0.4

V max

|IOUT|

≤ 1.6 mA

POWER SUPPLIES

VDD

4.5/5.5

V min/V max

IDD

Transmit Section Active

mA max

POWER = VDD

mA typ

Transmit Section Powered Down

µA max

MCLK Active

µA max

MCLK Inactive

NOTES

1Operating temperature ranges as follows: A Version: –40

°C to +85°C.

2See terminology.

3Measured in continuous transmission and Burst Mode with the I and Q channels ramping up and down at the beginning and end of a burst.

4Headroom must be allowed for the transmit DACs such that offsets in I & Q transmit channels can be calibrated out. Therefore, the full range of the I and Q DACs

are not available to the user. The user should ensure that binary codes greater than or less than the maximum or minimum are not loaded into the I or Q DACs.

5Measured while the digital inputs to the transmit interface are static and equal to 0 V or V

DD.

Specifications subject to change without notice.

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