M
Features
鈥?Multiplexed Inputs: 1, 2, 6 or 8 channels
鈥?8 Gain Selections:
- +1, +2, +4, +5, +8, +10, +16 or +32 V/V
鈥?Serial Peripheral Interface (SPI鈩?
鈥?Rail-to-Rail Input and Output
鈥?Low Gain Error: 卤1% (max)
鈥?Low Offset: 卤275 碌V (max)
鈥?High Bandwidth: 2 to 12 MHz (typ)
鈥?Low Noise: 10 nV/鈭欻z @ 10 kHz (typ)
鈥?Low Supply Current: 1.0 mA (typ)
鈥?Single Supply: 2.5V to 5.5V
MCP6S21/2/6/8
Description
The Microchip Technology Inc. MCP6S21/2/6/8 are
analog Programmable Gain Amplifiers (PGA). They
can be configured for gains from +1 V/V to +32 V/V and
the input multiplexer can select one of up to eight chan-
nels through an SPI port. The serial interface can also
put the PGA into shutdown to conserve power. These
PGAs are optimized for high speed, low offset voltage
and single-supply operation with rail-to-rail input and
output capability. These specifications support single
supply applications needing flexible performance or
multiple inputs.
The one channel MCP6S21 and the two channel
MCP6S22 are available in 8-pin PDIP, SOIC and
MSOP packages. The six channel MCP6S26 is avail-
able in 14-pin PDIP, SOIC and TSSOP packages. The
eight channel MCP6S28 is available in 16-pin PDIP
and SOIC packages. All parts are fully specified from
-40掳C to +85掳C.
Single-Ended, Rail-to-Rail I/O, Low Gain PGA
Typical Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
A/D Converter Driver
Multiplexed Analog Applications
Data Acquisition
Industrial Instrumentation
Test Equipment
Medical Instrumentation
Block Diagram
V
DD
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CS
SI
SO
SCK
+
-
MUX
R
F
8
Gain
Switches
SPI鈩?/div>
Logic
POR
V
SS
V
REF
R
G
Resistor Ladder (R
LAD
)
Package Types
MCP6S21
PDIP, SOIC, MSOP
V
OUT
1
CH0 2
V
REF
3
V
SS
4
8 V
DD
7 SCK
6 SI
5 CS
V
OUT
MCP6S22
PDIP, SOIC, MSOP
V
OUT
1
CH0 2
CH1 3
V
SS
4
8 V
DD
7 SCK
6 SI
5 CS
MCP6S26
PDIP, SOIC, TSSOP
V
OUT
1
CH0 2
CH1 3
CH2 4
CH3 5
CH4 6
CH5 7
14 V
DD
13 SCK
12 SO
11 SI
10 CS
9 V
SS
8 V
REF
MCP6S28
PDIP, SOIC
V
OUT
1
CH0 2
CH1 3
CH2 4
CH3 5
CH4 6
CH5 7
CH6 8
16 V
DD
15 SCK
14 SO
13 SI
12 CS
11 V
SS
10 V
REF
9 CH7
铮?/div>
2003 Microchip Technology Inc.
DS21117A-page 1
MCP6S28-I/SL 产品属性
Microchip
特殊用途放大器
Single
0.275 mV
3 V, 5 V
+ 85 C
- 40 C
SMD/SMT
SOIC-16
Tube
50
5.5 V
2.5 V
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