MCP3903-I/SS Microchip Technology, MCP3903-I/SS Datasheet - Page 4

• 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

MCP3903
TABLE 1-1:
DS25048B-page 4
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV
3.6V, Internal V
GAIN = 1, V
A011
A012
A013
A014
A015
A016
A017
A018
A019
A020
A021
A022
A023
A024
A025
A026
A027
Oscillator Input
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
AC PSRR AC Power Supply Rejection
DC PSRR DC Power Supply Rejection
IN
Symbol
= -0.5 dBFS @ 50/60 Hz = 333 mV
CTALK
(CH
SINAD
CMRR
CHn+-
SFDR
CH
SNR
THD
V
= 1V
A
GE
INL
Z
REF
OS
IN
IN
n-
n+
ANALOG SPECIFICATIONS TARGET TABLE
)
, MCLK = 4 MHz;PRESCALE = 1; OSR = 64; f
-
PP
= 353mV
Voltage
Analog Input Leakage
Current
Differential Input Voltage
Range
Offset Error
Offset Error Drift
Gain Error
Gain Error Drift
Input Impedance
Distortion Ratio
Range
DC Common Mode Rejection
Ratio
Analog Input Absolute
Integral Non-Linearity
Signal-to-Noise and
Total Harmonic Distortion
Signal To Noise Ratio
Spurious Free Dynamic
Crosstalk (50 / 60 Hz)
Characteristic
RMS
@ 50/60 Hz.
RMS
, V
REF
= 2.4V.
Min.
350
89
80
90
80
—
—
—
—
—
-1
-3
-3
-100
Typ.
81.5
91.5
81.5
-115
102
-90
-68
-68
-75
15
91
91
—
1
1
2
S
= 1 MHz; f
GAIN
Max.
500 /
-97
-87
+1
—
—
—
—
—
—
—
3
3
(CONTINUED)
D
= 15.625 ksps; T
ppm/°C From -40°C to 125°C
Units
μV/C
mV
ppm
mV
nA
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
V
DD
P
= 4.5 to 5.5V, DV
© 2011 Microchip Technology Inc.
GAIN = 1, DITHER = ON
T = 25°C
AV
AV
All analog input channels,
measured to AGND
(Note 7)
(Note 4)
(Note 1)
(Note 6)(Note 2)
From -40°C to 125°C
All Gains
Proportional to 1/AMCLK
T = 25°C
OSR = 256, DITHER = ON;
(Note 2)(Note 3)
OSR = 256, DITHER = ON;
(Note 2) (Note 3)
OSR = 256, DITHER = ON;
(Note 2)(Note 3)
3.3V
V
(Note 2)
CM
DD
DD
varies from -1V to +1V;
Test Conditions
= 5V + 1Vpp @ 50 Hz
= 4.5 to 5.5V, DV
A
= -40°C to +125°C,
DD
= 2.7 to
DD
=