MCP3903-I/SS Microchip Technology, MCP3903-I/SS Datasheet - Page 5

• Manufacturer Part Number: MCP3903-I/SS
• Description: IC AFE 24BIT 64KSPS 28SSOP
• Manufacturer: Microchip Technology
• Series: -r

Specifications of MCP3903-I/SS

• Featured Product: MCP3903 Six Channel ΔΣ A/D Converter
• Number Of Bits: 24
• Number Of Channels: 6
• Power (watts): -
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 2.7 V ~ 3.6 V
• Package / Case: 28-SSOP (0.209", 5.30mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TABLE 1-1:
© 2011 Microchip Technology Inc.
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV
3.6V, Internal V
GAIN = 1, V
A028
Power Specifications
P001
P002
P003
P004
P005
P006
Note 1:
Param.
Num.
2: See terminology section for definition.
3: This parameter is established by characterization and not 100% tested.
4: For these operating currents, the following configuration bit settings apply: Config Register Settings:
5: For these operating currents, the following configuration bit settings apply: Config Register Settings:
6: Applies to all gains. Offset error is dependant on PGA gain setting.
7: Outside of this range, ADC accuracy is not specified. An extended input range of +/- 6V can be applied continuously to
8: For proper operation and to keep ADC accuracy, AMCLK should always be in the range of 1 to 5 MHz with BOOST bits
instability across this input range. Dynamic Performance is specified at -0.5 dB below the maximum signal range,
V
SHUTDOWN<5:0> = 000000, RESET<5:0> = 000000; VREFEXT = 0, CLKEXT = 0.
SHUTDOWN<5:0> = 111111, VREFEXT = 1, CLKEXT = 1.
the part with no risk for damage.
off. With BOOST bits on, AMCLK should be in the range of 1 to 8.192 MHz. AMCLK = MCLK/PRESCALE. When using a
crystal, CLKEXT bit should be equal to ‘0’.
This specification implies that the ADC output is valid over this entire differential range, i.e. there is no distortion or
IN
IN
Symbol
= -0.5 dBFS @ 50/60 Hz = 333 mV
MCLK
I
I
DV
AV
DDS,D
AI
DI
DDS,A
= 1V
REF
DD
DD
DD
DD
ANALOG SPECIFICATIONS TARGET TABLE
, MCLK = 4 MHz;PRESCALE = 1; OSR = 64; f
PP
= 353mV
Master Clock Frequency
Range
Operating Voltage, Analog
Operating Voltage, Digital
Operating Current, Analog
(Note 4)
Operating Current, Digital
Shutdown Current, Analog
Shutdown Current, Digital
Characteristic
RMS
@ 50/60 Hz.
RMS
, V
REF
= 2.4V.
Min.
4.5
2.7
—
—
—
—
—
—
1
Typ.
12.3
7.1
1.2
2.4
—
—
—
—
—
—
—
S
= 1 MHz; f
16.384
Max.
16.8
5.5
3.6
1.7
3.4
9
1
3
1
5
(CONTINUED)
D
= 15.625 ksps; T
Units
MHz
mA
mA
mA
mA
μA
μA
μA
μA
V
V
DD
= 4.5 to 5.5V, DV
(Note 8)
BOOST bits low on all chan-
nels
BOOST bits high on all
channels
DV
4 MHz
DV
8.192 MHz
-40°C to 85°C, AV
only,
-40°C to 125°C, AV
only,
-40°C to 85°C, DV
only,
-40°C to 125°C, DV
only,
DD
DD
MCP3903
(Note 5)
(Note 5)
(Note 5)
(Note 5)
Test Conditions
= 3.6V, MCLK =
= 3.6V, MCLK =
A
= -40°C to +125°C,
DS25048B-page 5
DD
= 2.7 to
DD
DD
DD
DD
pin
pin
pin
pin