AD8372ACPZ-WP1 datasheet(4/16 Pages) AD

Part #	AD8372ACPZ-WP1

Description	41 dB Range, 1 dB Step Size, Programmable Dual VGA

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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AD8372

Rev. 0 | Page 4 of 16

Parameter

Conditions

Min

Typ

Max

Unit

POWER INTERFACE

Supply Voltage

4.5

5.5

V

Quiescent Current per Channel

Thermal connection made to exposed paddle under

device

106

mA

vs. Temperature

−40°C ≤ TA ≤ +85°C

135

mA

Power-Down Current, Both Channels

ENB1 and ENB2 low

1.2

mA

vs. Temperature

−40°C ≤ TA ≤ +85°C

1.3

mA

ENABLE INTERFACE

Pin ENB1 and Pin ENB2

Enable Threshold

Minimum voltage to enable the device

0.8

V

ENB1, ENB2 Input Bias Current

ENB1, ENB2 = 0 V

400

nA

GAIN CONTROL INTERFACE

Pin CLK1, Pin CLK2, Pin SDI1, Pin SDI2, Pin SDO1, Pin

SDO2, Pin LCH1, and Pin LCH2

VIH

Minimum voltage for a logic high

2.4

V

Input Bias Current

400

nA

Serial Port Output Feedthrough

Worse-case feedthrough from CLK1, CLK2, SDI1,

SDI2, SDO1, SDO2, LCH1, LCH2 to OPC1 and ONC2,

or OPC2 and ONC2

−60

dB

Table 2. Gain Code vs. Voltage Gain Look-Up Table

8-Bit Binary Gain Code1

Voltage Gain (dB)

RW DC 000000

< −60

RW DC 000001

−9

RW DC 000010

−8

RW DC 000011

−7

RW DC 000100

−6

RW DC 000101

−5

RW DC 000110

−4

RW DC 000111

−3

RW DC 001000

−2

RW DC 001001

−1

RW DC 001010

0

RW DC 001011

+1

RW DC 001100

+2

RW DC 001101

+3

RW DC 001110

+4

RW DC 001111

+5

RW DC 010000

+6

RW DC 010001

+7

RW DC 010010

+8

RW DC 010011

+9

RW DC 010100

+10

RW DC 010101

+11

1 RW is the Read/Write bit, RW = 0 for read mode, RW = 1 for write mode. DC is

the Don’t Care bit.

8-Bit Binary Gain Code1

Voltage Gain (dB)

RW DC 010110

+12

RW DC 010111

+13

RW DC 011000

+14

RW DC 011001

+15

RW DC 011010

+16

RW DC 011011

+17

RW DC 011100

+18

RW DC 011101

+19

RW DC 011110

+20

RW DC 011111

+21

RW DC 100000

+22

RW DC 100001

+23

RW DC 100010

+24

RW DC 100011

+25

RW DC 100100

+26

RW DC 100101

+27

RW DC 100110

+28

RW DC 100111

+29

RW DC 101000

+30

RW DC 101001

+31

RW DC 101010

+32

RW DC 101011

< −60

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