LTC1605-1CG Linear Technology, LTC1605-1CG Datasheet - Page 9

• Manufacturer Part Number: LTC1605-1CG
• Description: IC A/D CONV 16BIT SAMPLNG 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC1605-1CG

• Number Of Bits: 16
• Sampling Rate (per Second): 100k
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 80mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIONS
0V TO 4V
OR 4V
(2.5V)
(2.5V)
INPUT 200
Figure 5. 0V to 4V Input for the LTC1605-1 and
2.2 F
2.2 F
Figure 3. Internal or External Reference Source
0V TO 4V
CAP
4V for the LTC1605-2 with Offset and Gain Trim
REF
OR 4V
Figure 4. 0V to 4V Input for the LTC1605-1
and 4V for the LTC1605-2 Without Trim
INPUT
1%
33.2k
3
4
1%
OFFSET
200
1%
TRIM
S
S
U
+
5V
+
–
33.2k
1%
R3
50k
2.2 F
50k
R4
INFORMATION
U
TRIM
GAIN
+
+
+
4k
2.2 F
576k
2.2 F
2.2 F
1
2
3
4
5
V
W
ANA
V
AGND1
REF
CAP
AGND2
1
2
3
4
5
IN
LTC1605-1
LTC1605-2
V
AGND1
REF
CAP
AGND2
1605-1/2 F03
IN
REFERENCE
CAPACITOR
INTERNAL
BANDGAP
LTC1605-1
LTC1605-2
DAC
1605-1/2 F04
1605-1/2 F05
U
Figure 6a. LTC1605-1 Unipolar Transfer Characteristics
Figure 6B. LTC1605-2 Bipolar Transfer Characteristics
Figure 7. Histogram for 10000 Conversions
011...111
011...110
000...001
000...000
111...111
111...110
100...001
100...000
111...111
111...110
000...001
000...000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
LTC1605-1/LTC1605-2
–5 –4 –3 –2 –1 0
UNIPOLAR
– FS/2
0V
ZERO
LSB
1
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
BIPOLAR
–1
LSB
CODE
ZERO
0V
1
LSB
FS = 8V
1LSB = FS/65536
FS = 4V
1LSB = FS/65536
1
2
3
FS/2 – 1LSB
FS – 1LSB
1605-1/2 F06b
1605-1/2 F07
1605-1/2 F06a
4
5
9