MCP3204-CI/ST Microchip Technology, MCP3204-CI/ST Datasheet - Page 18

• Manufacturer Part Number: MCP3204-CI/ST
• Description: IC ADC 12BIT 2.7V 4CH SPI14TSSOP
• Manufacturer: Microchip Technology

Specifications of MCP3204-CI/ST

• Data Interface: Serial, SPI™
• Number Of Bits: 12
• Sampling Rate (per Second): 100k
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 12bit
• Sampling Rate: 100kSPS
• Input Channel Type: Pseudo Differential, Single Ended
• Supply Voltage Range - Analog: 2.7V To 5.5V
• Supply Current: 320µA
• Package: 14TSSOP
• Resolution: 12 Bit
• Architecture: SAR
• Number Of Adcs: 1
• Number Of Analog Inputs: 4|2
• Digital Interface Type: Serial (4-Wire, SPI)
• Input Type: Voltage
• Polarity Of Input Voltage: Unipolar
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP3204/3208
FIGURE 4-1:
FIGURE 4-2:
vs. Input resistance (R
0.1 LSB deviation in INL from nominal
conditions.
DS21298E-page 18
Legend
2.5
2.0
1.5
1.0
0.5
0.0
VA
CHx
C
R
100
VA
V
pin
ss
t
R
SS
=
=
=
=
=
CHx
Input Resistance (Ohms)
Signal Source
Source Impedance
Input Channel Pad
Input Pin Capacitance
Threshold Voltage
V
Analog Input Model.
Maximum Clock Frequency
DD
V
S
= 2.7 V
DD
) to maintain less than a
1000
= 5 V
7 pF
C
PIN
V
DD
V
V
T
T
C
I
leakage
= 0.6V
= 0.6V
sample
SS
R
10000
s
=
=
=
=
Leakage Current At The Pin
Due To Various Junctions
Sampling switch
Sampling switch resistor
Sample/hold capacitance
I
±1 nA
LEAKEAGE
SS
Sampling
Switch
R
S
= 1 kΩ
© 2008 Microchip Technology Inc.
V
SS
C
= DAC capacitance
= 20 pF
SAMPLE