Datasheet

© 2009-2011 Microchip Technology Inc. DS22188C-page 21
MCP621/1S/2/3/4/5/9
3.0 PIN DESCRIPTIONS
Descriptions of the pins are listed in Table 3-1.
TABLE 3-1: PIN FUNCTION TABLE
MCP621 MCP621S MCP622 MCP623 MCP624 MCP625 MCP629
Symbol Description
SOIC TDFN SOT-23 SOIC DFN SOT-23 SOIC TSSOP MSOP DFN QFN
22 4 22 4 2 2 22 1V
IN
–, V
INA
– Inverting Input (op amp A)
33 3 33 3 3 3 33 2V
IN
+, V
INA
+ Non-inverting Input (op amp A)
7 7 5 8 8 6 4 4 10 10 3 V
DD
Positive Power Supply
—— — 55 — 5 5 7 7 4 V
INB
+ Non-inverting Input (op amp B)
—— —
66
—
66 885
V
INB
– Inverting Input (op amp B)
—— —
77
—
77 996
V
OUTB
Output (op amp B)
—— — —— — — — ——
7
CAL
BC/CSBC
Calibrate/Chip Select Digital Input
(op amps B and C)
—— — —— —
88
——
8
V
OUTC
Output (op amp C)
—— — —— —
99
——
9
V
INC
– Inverting Input (op amp C)
—— — —— —
10 10
——
10
V
INC
+ Non-inverting input (op amp C)
44 2 44
21111
44
11
V
SS
Negative Power Supply
—— — —— —
12 12
——
12
V
IND
+ Non-inverting input (op amp D)
—— — —— —
13 13
——
13
V
INDD
– Inverting Input (op amp D)
—— — —— —
14 14
——
14
V
OUTD
Output (op amp D)
—— — —— — — — ——
15
CAL
AD/CSAD
Calibrate/Chip Select Digital Input
(op amps A and D)
66 1 11 1 1 1 11
16
V
OUT
, V
OUTA
Output (op amp A)
— 9 — — 9 — — — 11 17 EP Exposed Thermal Pad (EP);
must be connected to V
SS
88 — ——5 —— 55—
CAL/CS
,
CAL
A/CSA
Calibrate/Chip Select Digital Input (op amp A)
—— — —— — — — 6 6 —
CAL
B/CSB
Calibrate/Chip Select Digital Input (op amp B)
55 — ——— ————— V
CAL
Calibration Common Mode Voltage Input
1 1 — — — — — — — — — NC No Internal Connection