ADUCM310 datasheet(21/28 Pages) AD

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ADuCM310

Data Sheet

Rev. B Page 20 of 27

Pin No.

Mnemonic

Type1

Description

P3.1/PLAI[13]

I/O

General-Purpose Input and Output Port 3.1/Input to PLA Element 13. This

pin defaults as an input with the internal pull-up disabled.

P3.2/PLAI[14]

I/O

General-Purpose Input and Output Port 3.2/Input to PLA Element 14. This

pin defaults as an input with the internal pull-up disabled.

P3.4/PLAO[26]

I/O

General-Purpose Input and Output Port 3.4/Output of PLA Element 26. This

pin defaults as an input with the internal pull-up disabled.

E10

SWCLK

Serial Wire Debug Clock Input Pin.

SWDIO

I/O

Serial Wire Debug Data Input/Output Input Pin.

G11

VREF_1.2

1.2 V Reference Output. This pin cannot be used to source current

externally. Connect this pin to AGND via a 470 nF capacitor.

D11

IREF

This pin generates the reference current for the IDACs. Connect this pin to

analog ground via a 5 ppm, 3.16 kΩ external resistor (REXT).

AIN0

Single-Ended or Differential Analog Input 0.

AIN1

Single-Ended or Differential Analog Input 1.

AIN2

Single-Ended or Differential Analog Input 2.

AIN3

Single-Ended or Differential Analog Input 3.

AIN4

Single-Ended or Differential Analog Input 4. This is also the input for the

digital comparator.

AIN5

Single-Ended or Differential Analog Input 5.

AIN6

Single-Ended or Differential Analog Input 6.

AIN7

Single-Ended or Differential Analog Input 7.

AIN8

Single-Ended or Differential Analog Input 8.

AIN9

Single-Ended or Differential Analog Input 9.

VDAC0

12-Bit VDAC Output 0, 0 V to 3 V Range.

VDAC1

12-Bit VDAC Output 1, 0 V to 3 V Range.

VDAC2

12-Bit VDAC Output 2, −5 V to 0 V Range.

VDAC3

12-Bit VDAC Output 3, −5 V to 0 V Range.

VDAC4

12-Bit VDAC Output 4, 0 V to 3 V Range.

VDAC5

12-Bit VDAC Output 5, 0 V to 3 V Range.

VDAC6

12-Bit VDAC Output 6, 0 V to 5 V Range.

H10

VDAC7

12-Bit VDAC Output 7, 0 V to 5 V Range.

IDAC0

IDAC0 (100 mA).

PVDD_IDAC0

Power for IDAC0.

CDAMP_IDAC0

Damping Capacitor Pin for IDAC0. Connect this pin to the PVDD supply.

A10

IDAC1

IDAC1 (100 mA).

PVDD_IDAC1

Power for IDAC1.

B10

CDAMP_IDAC1

Damping capacitor pin for IDAC1. Connect this pin to the PVDD supply.

B11

IDAC5

IDAC5 (20 mA).

C11

PVDD_IDAC5

Power for IDAC5.

C10

CDAMP_IDAC5

Damping capacitor pin for IDAC5. Connect this pin to the PVDD supply.

IDAC4

IDAC4 (20 mA).

PVDD_IDAC4

Power for IDAC4.

CDAMP_IDAC4

Damping capacitor pin for IDAC4. Connect this pin to the PVDD supply.

A4, B4

IDAC2

IDAC2 (200 mA).

A5, B5

PVDD_IDAC2

Power for IDAC2.

CDAMP_IDAC2

Damping Capacitor for IDAC2. Connect this pin to the PVDD supply.

A6, B6

IDAC3

IDAC3 (250 mA).

A8, B8

PVDD_IDAC3

Power for IDAC3.

CDAMP_IDAC3

Damping Capacitor Pin for IDAC3. Connect this pin to the PVDD supply.

A7, B7

PGND

Power Supply Ground of the IDACs.

K5, G9,

L6, J11,

H4, L7

AGND1, AGND2, AGND3, AGND4,

AGND5, AGND6

Analog Ground Pins.

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