Datasheet

AD539
Rev. B | Page 5 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
09679-002
4
V
Y1
5
+V
S
6
NC
7
–V
S
8
V
Y2
18
CHAN1 OUTPUT
17
BASE COMMON
16
NC
15
BASE COMMON
14
CHAN2 OUTPUT
19
Z1
20
W1
1
NC
2
V
X
3
HF COM
P
13
Z2
12
W2
11
NC
10
OUTPUT COMMON
9
INPUT COMMON
NOTES
1. NC = NO CONNECT. DO NOT
CONNECT TO THIS PIN.
AD539
TOP VIEW
(Not to Scale)
Figure 2. 20-Lead LLC Pin Configuration (E-20-1)
Table 2. 20-Lead LLC Pin Function Descriptions
Pin No. Mnemonic Description
1 NC No Connect. Do not connect to this pin.
2 V
X
Control Channel Input.
3 HF COMP High Frequency Compensation.
4 V
Y1
Channel 1 Input.
5 +V
S
Positive Supply Rail.
6 NC No Connect. Do not connect to this pin.
7 –V
S
Negative Supply Rail.
8 V
Y2
Channel 2 Input.
9 INPUT COMMON Internal Common Connection for the Input Amplifier Circuitry.
10 OUTPUT COMMON Internal Common Connection for the Output Amplifier Circuitry.
11 NC No Connect.
12 W2 6 kΩ Feedback Resistor for Channel 2.
13 Z2 6 kΩ Feedback Resistor for Channel 2.
14 CHAN2 OUTPUT Channel 2 Product of V
X
and V
Y2
.
15 BASE COMMON Increases Negative Output Compliance.
16 NC No Connect. Do not connect to this pin.
17 BASE COMMON Increases Negative Output Compliance.
18 CHAN1 OUTPUT Channel 1 Product of V
X
and V
Y1
.
19 Z1 6 kΩ Feedback Resistor for Channel 1.
20 W1 6 kΩ Feedback Resistor for Channel 1.