Datasheet

Data Sheet AD8436
Rev. B | Page 5 of 24
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
1620
15
106
AD8436
TOP VIEW
(Not to Scale)
11
PIN 1
INDICATOR
VEE
CAVG VCC
OBUFOUT
IGND
OBUFIN+
OBUFIN–
OBUFV+
OUTDNC
NOTES
1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN.
2. THE EXPOSED PAD CONNECTION IS OPTIONAL.
IBUFGN
DNC
IBUFOUT
IBUFIN+
SUM IBUFV+
RMS
CCF
OGND
IBUFIN–
1
5
10033-003
Figure 3. Pin Configuration, Top View, CP-20-10
Table 3. Pin Function Descriptions, CP-20-10
Pin No. Mnemonic Description
1 DNC Do Not Connect. Used for factory test.
2 RMS AC Input to the RMS Core.
3 IBUFOUT FET Input Buffer Output Pin.
4 IBUFIN– FET Input Buffer Inverting Input Pin.
5 IBUFIN+ FET Input Buffer Noninverting Input Pin.
6
IBUFGN
Optional 10 kΩ Precision Gain Resistor.
7 DNC Do Not Connect. Used for factory test.
8 OGND Internal 16 kΩ I-to-V Resistor.
9 OUT RMS Core Voltage or Current Output.
10 VEE Negative Supply Rail.
11 IGND Half Supply Node.
12 OBUFIN+ Output Buffer Noninverting Input Pin.
13 OBUFIN− Output Buffer Inverting Input Pin.
14 OBUFOUT Output Buffer Output Pin.
15 OBUFV+ Power Pin for the Output Buffer.
16 IBUFV+ Power Pin for the Input Buffer.
17 VCC Positive Supply Rail for the RMS Core.
18
CCF
Connection for Crest Factor Capacitor.
19 CAVG Connection for Averaging Capacitor.
20 SUM Summing Amplifier Input Pin.
EP DNC Exposed Pad Connection to Ground
Pad Optional.
NOTES
1. DNC = DO NOT CONNECT.
DO NOT CONNECT TO THIS PIN.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DNC
RMS
IBUFOUT
IBUFGN
IBUFIN+
IBUFIN–
SUM
CCF
VCC
IBUFV+
OBUFIN–
OBUFOUT
OBUFV+
OUT
OGND
DNC
VEE
IGND
OBUFIN+
CAVG
TOP VIEW
(Not to Scale)
AD8436
10033-104
Figure 4. Pin Configuration, RQ-20
Table 4. Pin Function Descriptions, RQ-20
Pin No. Mnemonic Description
1 SUM Summing Amplifier Input Pin.
2 DNC Do Not Connect. Used for factory test.
3 RMS AC Input to the RMS Core.
4 IBUFOUT FET Input Buffer Output Pin.
5 IBUFIN– FET Input Buffer Inverting Input Pin.
6 IBUFIN+ FET Input Buffer Noninverting Input Pin.
7 IBUFGN Optional 10 kΩ Precision Gain Resistor.
8 DNC Do Not Connect. Used for factory test.
9 OGND Internal 16 kΩ I-to-V Resistor.
10 OUT RMS Core Voltage or Current Output.
11 VEE Negative Supply Rail.
12 IGND Half Supply Node.
13 OBUFIN+ Output Buffer Noninverting Input Pin.
14 OBUFIN− Output Buffer Inverting Input Pin.
15 OBUFOUT Output Buffer Output Pin.
16
OBUFV+
Power Pin for the Output Buffer.
17 IBUFV+ Power Pin for the Input Buffer.
18 VCC Positive Supply Rail for the RMS Core.
19 CCF Connection for Crest Factor Capacitor.
20 CAVG Connection for Averaging Capacitor.