LTC2484CDD#PBF Linear Technology, LTC2484CDD#PBF Datasheet - Page 10

• Manufacturer Part Number: LTC2484CDD#PBF
• Description: IC ADC 24BIT 10-DFN
• Manufacturer: Linear Technology

Specifications of LTC2484CDD#PBF

• Number Of Bits: 24
• Sampling Rate (per Second): 6.8
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 480µW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 10-WFDFN Exposed Pad
• Number Of Elements: 1
• Resolution: 24Bit
• Architecture: Delta-Sigma
• Sample Rate: 0.0075KSPS
• Input Polarity: Bipolar
• Input Type: Voltage
• Rated Input Volt: ±2.75V
• Differential Input: Yes
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Integral Nonlinearity Error: 10ppm of Vref
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 10
• Package Type: DFN EP
• Input Signal Type: Differential
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC2484
SDI (Pin 1): Serial Data Input. This pin is used to select
the line frequency rejection, input, temperature sensor
and 2x speed mode. Data is shifted into the SDI pin on
the rising edge of serial clock (SCK).
V
(Pin 8) with a 1μF tantalum capacitor in parallel with 0.1μF
ceramic capacitor as close to the part as possible.
TYPICAL PERFORMANCE CHARACTERISTICS
PIN FUNCTIONS
10
CC
250
200
150
100
50
(Pin 2): Positive Supply Voltage. Bypass to GND
0
2
Offset Error vs V
(2x Speed Mode)
V
V
V
f
T
O
A
REF
IN
IN(CM)
= GND
= 25°C
= 0V
2.5
= 2.5V
= GND
3
–100
–140
–120
–20
–40
–60
–80
3.5
V
0
CC
0
CC
PSRR vs Frequency at V
(2x Speed Mode)
(V)
V
REF
REF
IN
IN
f
T
O
CC
A
4
+
–
20
= GND
= 25°C
+
–
= GND
= GND
= 4.1V DC ±1.4V
= 2.5V
= GND
40 60
4.5
FREQUENCY AT V
80
5
2484 G36
100
5.5
120
140
CC
(Hz)
160
CC
200
240
230
220
210
190
180
170
160
180
0
Offset Error vs V
(2x Speed Mode)
200
V
V
V
f
T
2484 G39
O
CC
IN
IN(CM)
A
= GND
= 25°C
220
= 0V
= 5V
1
= GND
2
V
REF
V
this pin can have any value between 0.1V and V
negative reference input is GND (Pin 8).
IN
age on these pins can have any value between GND – 0.3V
and V
input range (V
REF
(V)
REF
+
3
(Pin 4), IN
(Pin 3): Positive Reference Input. The voltage on
CC
–120
–140
–100
–20
–60
–40
–80
+ 0.3V. Within these limits the converter bipolar
4
30600
0
PSRR vs Frequency at V
(2x Speed Mode)
2484 G37
V
REF
REF
IN
IN
f
T
O
A
CC
+
–
–
= GND
= 25°C
IN
+
–
= GND
= GND
= 4.1V DC ±0.7V
(Pin 5): Differential Analog Inputs. The volt-
5
= 2.5V
= GND
30650
= IN
FREQUENCY AT V
+
–100
–120
–140
–20
–40
–60
–80
– IN
0
30700
1
PSRR vs Frequency at V
(2x Speed Mode)
V
REF
REF
IN
IN
f
T
–
O
A
CC
) extends from –0.5 • V
+
–
= GND
= 25°C
+
–
= GND
= GND
= 4.1V DC
10
CC
= 2.5V
= GND
(Hz)
30750
FREQUENCY AT V
CC
100
2484 G40
30800
1k
CC
10k
(Hz)
CC
100k
CC
REF
. The
2484 G38
2484fc
1M
to