AD9960

Rev. 0 | Page 9 of 12

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

2

AVSS

3

VIN_I–

4

VIN_I+

7

VIN_Q–

6

VIN_Q+

5

AVSS

1

AVDD

8

AVDD

9

REFIO

10

FSADJ

12

IOUT_I–

13

IOUT_I+

14

AVSS

15

AVSS

16

IOUT_Q+

17

IOUT_Q–

18

AVDD

19

AUXDAC1

20

AUXDAC2

11

AVDD

59

58

57

54

55

56

60

53

52

DCLK

FS

ADIO15

ADIO12

ADIO13

ADIO14

DRVSS

ADIO11

ADIO10

51

ADIO9

49

ADIO7

48

ADIO6

47

ADIO5

46

ADIO4

45

ADIO3

44

ADIO2

43

ADIO1

42

ADIO0

41

TX_RXEN

50

ADIO8

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61

PIN 1

IDENTIFIER

AD9960

FRID BASEBAND IC

Figure 2. AD9960 Pin Configuration

Table 11. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 8, 11, 18, 23, 76

AVDD

Analog Supply Input

2, 5, 14, 15, 21, 80

AVSS

Analog Supply Return

3, 4

VIN_I−, VIN_I+

I-Channel Differential Voltage Rx Input

6, 7

VIN_Q+, VIN_Q−

Q-Channel Differential Voltage Rx Input

9

REFIO

I and Q TxDACs Reference Input/Output

10

FSADJ

I and Q TxDACs Full-Scale Current Adjust

12, 13

IOUT_I−, IOUT_I+

I TxDAC Differential Current Output

16, 17

IOUT_Q+, IOUT_Q−

Q TxDAC Differential Current Output

19, 20

AUXDAC1, AUXDAC2

Voltage Output of Auxiliary DACs

22

AUX_REG

Regulator Output that Sets Full-Scale Span for All Auxiliary ADCs and DACs

24 to 27

AUXADC1[0] to

AUXADC1[3]

Voltage Inputs to Auxiliary 4-Channel Muxed ADC1

28 to 31

AUXADC2[0] to

AUXADC2[3]

Voltage Inputs to Auxiliary 4-Channel Muxed ADC2

32 to 33

AUXADC3[0] to

AUXADC3[1]

Voltage Inputs to Auxiliary 2-Channel Muxed ADC3

34

RESET

Reset Input (Active Low)

35

GPIO_3

General-Purpose Input/Output (or Single-Bit Tx Mode Data Input)

36

GPIO_2

General-Purpose Input/Output (or Single-Bit Tx Mode Clock Output)

37

GPIO_1

General-Purpose Input/Output (or TI DSP Interface Control Output)

38

GPIO_0

General-Purpose Input/Output (or TI DSP Interface Control Output)

39, 67

DVDD

Digital Supply Input

40, 66

DVSS

Digital Supply Return