Data Sheet

ADMV1013

Rev. A | Page 7 of 39

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

ADMV1013

TOP VIEW

(Not to Scale)

VCC_DRV

7

VENV_N

21

VENV_P

22

VCC_BG2

23

IF_Q

24

Q_N

25

Q_P

26

GND

27

I_P

28

I_N

29

IF_I

30

11 12 13 14 15 16 17 18 19 20

31

32

33

34

35

36

37

38

39

40

NOTES

1. NIC = NOT INTERNALLY CONNECTED. THIS PIN IS NOT CONNECTED INTERNALLY.

2. EXPOSED PAD. SOLDER THE EXPOSED PAD TO A LOW IMPEDANCE GROUND PLANE.

Figure 3. Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

RST

SPI Reset. Connect this pin to logic high for normal operation. The SPI logic is 1.8 V.

2

DVDD

1.8 V SPI Digital Supply.

3

SCLK

SPI Clock Digital Input.

4

SDI

SPI Serial Data Input.

5

SDO

SPI Serial Data Output.

6

BG_RBIAS2

Voltage Gain Amplifier (VGA) Chip Band Gap Circuit, External High Precision Resistor. Place a 1.1 kΩ,

high precision resistor shunt to ground close to this pin.

7

VCC_DRV

3.3 V Power Supply for RF Driver. Place a 100 pF, a 0.01 µF, and a 10 µF capacitor close to this pin.

8, 10, 27, 36, 39

GND

Ground.

9

RF

RF Output. This pin is dc-coupled internally to GND and matched to 50 Ω single ended.

11

VCC2_DRV

3.3 V Power Supply for RF Predriver. Place a 100 pF, a 0.01 µF, and a 10 µF capacitor close to this pin.

12, 13, 31

NIC

Not Internally Connected. This pin is not connected internally.

14

VCC_VVA

1.8 V Power Supply for VVA Control Circuit. Place a 100 pF, 0.01 µF, and a 10 µF capacitor close to this pin.

15

VCTRL1

RF Voltage Variable Attenuator 1 (VVA1) Control Voltage. Place a 1 kΩ series resistor with this pin.

16

VCTRL2

RF Voltage Variable Attenuator 2 (VVA2) Control Voltage. Place a 1 kΩ series resistor with this pin.

17

VCC_AMP2

3.3 V Power Supply for RF Amplifier 2 (AMP2). Place a 100 pF, a 0.01 µF, and a 10 µF capacitor close to

this pin.

18

SEN2

SPI Serial Enable for VGA Chip. Connect this pin with Pin 40 (SEN).

19

VCC_ENV

3.3 V Power Supply for Envelope Detector. Place a 100 pF, a 0.01 µF, and a 10 µF capacitor close to this pin.

20

VCC_AMP1

3.3 V Power Supply for RF Amplifier 1 (AMP1). Place a 100 pF, a 0.01 µF, and a 10 µF capacitor close to

this pin.

21

VENV_N

Negative Differential Envelope Detector Output.

22

VENV_P

Positive Differential Envelope Detector Output.

23

VCC_BG2

3.3 V Power Supply for VGA Chip Band Gap Circuit. Place a 100 pF, a 0.01 µF, and a 10 µF capacitor

close to this pin.

24, 30

IF_Q, IF_I

IF Single-Ended Complex Inputs. These pins are internally ac-coupled. When in IF mode, Pin 25 (Q_P),

Pin 26 (Q_N), Pin 28 (I_P), and Pin 29 (I_N) must be kept floating.

25, 26

Q_N, Q_P

Differential Baseband Q Inputs. These pins are dc-coupled. Do not connect these pins in IF mode.

28, 29

I_P, I_N

Differential Baseband I Inputs. These pins are dc-coupled. Do not connect these pins in IF mode.