LTC2442CG#PBF Linear Technology, LTC2442CG#PBF Datasheet - Page 32

• Manufacturer Part Number: LTC2442CG#PBF
• Description: IC ADC 24BIT 4CH 36-SSOP
• Manufacturer: Linear Technology

Specifications of LTC2442CG#PBF

• Number Of Bits: 24
• Sampling Rate (per Second): 8k
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 50mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RELATED PARTS
LTC2442
PART NUMBER
LT1025
LTC1043
LTC2050
LT1236A-5
LT1461
LT1592
LTC1799
LTC1983
LTC2053
LTC2440
32
TYPICAL APPLICATIO
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
V
IN2
DESCRIPTION
Micropower Thermocouple Cold Junction Compensator
Dual Precision Instrumentation Switched Capacitor Building
Block
Precision Chopper Stabilized Op Amp
Precision Bandgap Reference, 5V
Micropower Series Reference, 2.5V
Ultraprecise 16-Bit SoftSpan
Resistor Set SOT-23 Oscillator
100mA Charge Pump
Rail-to-Rail Instrumentation Amplifi er
1-Channel, Differential Input, High Speed/Low Noise,
24-Bit, No Latency ΔΣ ADC
40k
30k
R1
R6
V
IN1
●
5V
FAX: [phone]
5k
R3
2
LTC2050HV
IN
GND
3
4
LT1236N
R4
5k
–
U3
+
10k
R9
4
TRIM
U2
–5V
OUT
6
2
U
5V
6
5
5
R10
7.5k
1
●
TM
www.linear.com
DAC
1k
R20
4.7k
C15
–2.5V
8.88k
Scaling Inputs for ±10V Range
REF
C14
0.1k
R5
+
C10
0.1k
REF
–2.5V
+
C13
–2.5V
0.1
SDO
30
31
28
11
12
13
17
18
5V
10
6
7
8
9
2.5V
REF
REF
CH0
CH1
CH2
CH3
COM
ADCINB
ADCINA
OUTA
–INA
OUTB
–INB
GND GND GND
4
R21
+
–
5k
29
5
COMMENTS
80µA Supply Current, 0.5°C Initial Accuracy
Precise Charge, Balanced Switching, Low Power
No External Components 3µV Offset, 1.5µV
0.05% Max, 5ppm/°C Drift
0.04% Max, 3ppm/°C Max Drift
Six Programmable Output Ranges
Single Resistor Frequency Set
5V to Regulated –5V Conversion
10µV Offset with 50nV/°C Drift, 2.5µV
2µV
0.0005% INL, Up to 3.5kHz Output Rate
SCK
C17
SDI
V
LTC2442
0.1
CS
CC
U1
32
RMS
MMBT3904
MUXOUTB
V
MUOUTA
+
21
BUSY
+INA
+INB
24
Noise at 880Hz, 200nV
SCK
SD0
EXT
5V
SDI
CS
F
V
O
–
35
1
36
33
2
34
3
27
26
25
19
0.1
C9
1.8k
R22
0.1
C8
–5V
–2.5V
–2.5V
2.5V
© LINEAR TECHNOLOGY CORPORATION 2005
12
13
11
10
RMS
2
1
5
3
6
9
74HC4053
X0
X1
Y0
Y1
Z0
Z1
INH
A
B
C
Noise at 6.9Hz,
U4
P-P
GND
V
V
CC
EE
X
Y
Z
Noise 0.01Hz to 10Hz
14
15
P-P
4
5V
–2.5V
Noise
LT 1105 • PRINTED IN USA
2442f