MCP4161-502E/SN Microchip Technology, MCP4161-502E/SN Datasheet - Page 27

• Manufacturer Part Number: MCP4161-502E/SN
• Description: IC POT DGTL SNGL 5K SPI 8SOIC
• Manufacturer: Microchip Technology

Specifications of MCP4161-502E/SN

• Package / Case: 8-SOIC (3.9mm Width)
• Taps: 257
• Resistance (ohms): 5K
• Number Of Circuits: 1
• Temperature Coefficient: 150 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: SPI Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Resistance In Ohms: 5K
• Number Of Pots: Single
• Taps Per Pot: 256
• Resistance: 5 KOhms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (4-Wire, SPI)
• Operating Supply Voltage: 2.5 V, 3.3 V, 5 V
• Supply Current: 550 uA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

3.0
The descriptions of the pins are listed in
Additional descriptions of the device pins follows.
TABLE 3-1:
© 2008 Microchip Technology Inc.
Legend:
Note 1:
Rheo Pot
8L
—
—
—
—
—
—
—
—
1
2
3
4
5
6
7
8
9
Single
2:
3:
4:
PIN DESCRIPTIONS
8L
—
—
—
—
—
—
—
—
1
2
3
4
5
6
7
8
9
The 8-lead Single Potentiometer devices are pin limited so the SDO pin is multiplexed with the SDI pin
(SDI/SDO pin). After the Address/Command (first 6-bits) are received, If a valid Read command has been
requested, the SDO pin starts driving the requested read data onto the SDI/SDO pin.
The pin’s “smart” pull-up shuts off while the pin is forced low. This is done to reduce the standby and shut-
down current.
The SDO is an open drain output, which uses the internal “smart” pull-up. The SDI input data rate can be
at the maximum SPI frequency. the SDO output data rate will be limited by the “speed” of the pull-up,
customers can increase the rate with external pull-up resistors.
The DFN and QFN packages have a contact on the bottom of the package. This contact is conductively
connected to the die substrate, and therefore should be unconnected or connected to the same ground as
the device’s V
(1)
HV w/ST = High Voltage tolerant input (with Schmidtt trigger input)
A = Analog pins (Potentiometer terminals)
O = digital output
P = Power
Rheo
10L
PINOUT DESCRIPTION FOR THE MCP414X/416X/424X/426X
10
—
—
—
—
—
—
11
1
2
3
4
5
6
7
8
9
Dual
14L
SS
10
11
12
13
14
—
—
—
1
2
3
4
5
6
7
8
9
pin.
Pot
16L
3, 4
16
—
10
12
13
14
15
11
17
1
2
5
6
7
8
9
Pin
SDI/SDO
Symbol
SHDN
Table
P1W
P0W
SDO
SCK
P1B
P1A
P0A
P0B
V
V
SDI
WP
CS
NC
EP
SS
DD
MCP414X/416X/424X/426X
3-1.
I/O
I/O
—
—
—
—
O
A
A
A
A
A
A
I
I
I
I
I
HV w/ST
HV w/ST
HV w/ST
HV w/ST
HV w/ST
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
—
—
O
P
P
I
I = digital input (high Z)
I/O = Input / Output
Pull-up/
(Note 2)
“smart”
“smart”
“smart”
“smart”
“smart”
“smart”
Weak
down
No
No
No
No
No
No
No
—
—
—
—
SPI Chip Select Input
SPI Clock Input
SPI Serial Data Input
SPI Serial Data Input/Output
(Note 1, Note 3)
Ground
Potentiometer 1 Terminal B
Potentiometer 1 Wiper Terminal
Potentiometer 1 Terminal A
Potentiometer 0 Terminal A
Potentiometer 0 Wiper Terminal
Potentiometer 0 Terminal B
Hardware
Protect
Hardware Shutdown
SPI Serial Data Out
Positive Power Supply Input
No Connection
Exposed Pad. (Note 4)
Standard Function
EEPROM
DS22059B-page 27
Write