ADUCM310 datasheet(9/28 Pages) AD

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ADuCM310

Data Sheet

Rev. A Page 8 of 27

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

Transconductance

Analog input signal coupled on to

CDAMP_IDACx pin via 1 nF capacitor;

frequency range = 100 kHz to

1000 kHz; voltage is the peak to

peak voltage on the CDAMP_IDACx

pin of the associated IDAC; current

is peak-to-peak current change

IDAC0 and IDAC1

7.99/100

mA/mV

IDAC2

12.6/100

mA/mV

IDAC3

18.6/100

mA/mV

IDAC4 and IDAC5

1.16/100

mA/mV

IDAC Shutdown Temperature

125

°C

Die temperature; enabled via

IDACxCON[6]

VDAC CHANNEL SPECIFICATIONS5, 8, 9

DC Accuracy

Resolution

Bits

Relative Accuracy

VDAC0, VDAC1, and VDAC2

−6

±1

+10

LSB

VDAC4 and VDAC5

−7

±2

+11

LSB

VDAC3, VDAC6, and VDAC7

−7

±2

LSB

Differential Nonlinearity

−0.99

±0.6

LSB

Guaranteed monotonic

Offset Error

Calculated

±5

2.5 V internal reference

Actual

Measured at Code 0

VDAC0, VDAC1, VDAC4, and

VDAC5

VDAC6 and VDAC7

VDAC2 and VDAC3

−30

−20

Full-Scale Error

±0.7

% of full scale

For VDAC2, VDAC3, VDAC4, VDAC5,

and VDAC6

VDAC0, VDAC1, and VDAC71

±0.7

With 500 Ω load

VDAC0 and VDAC1

±0.5

With 75 Ω load, over full

temperature range

VDAC7

±0.5

With 100 Ω load, over full

temperature range

Gain Mismatch Error

0.1

VDAC0 relative to VDAC1

0.2

VDAC2 relative to VDAC3

0.1

VDAC4 relative to VDAC5

0.35

VDAC6 relative to VDAC7; both

driving a 500 Ω load

Offset Error Drift

Calculated

VDAC0, VDAC1, VDAC4, and

VDAC5

±5

µV/°C

VDAC2, VDAC3, VDAC6, and

VDAC7

±25

µV/°C

Actual

Measured at Code 0

VDAC0, VDAC1, VDAC4, and

VDAC5

±13

µV/°C

VDAC2, VDAC3, VDAC6, and

VDAC7

±75

µV/°C

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