LTC1821-1ACGW Linear Technology, LTC1821-1ACGW Datasheet - Page 4

• Manufacturer Part Number: LTC1821-1ACGW
• Description: IC D/A CONV 16BIT PRECISE 36SSOP
• Manufacturer: Linear Technology

Specifications of LTC1821-1ACGW

• Settling Time: 2µs
• Number Of Bits: 16
• Data Interface: Parallel
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power Dissipation (max): -

LTC1821
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: 1LSB = 0.0015% of full scale = 15.3ppm of full scale.
Note 3: Using internal feedback resistor.
Note 4: Guaranteed by design, not subject to test.
Note 5: I
Note 6: Typical temperature coefficient is 100ppm/ C.
Note 7: Measured in unipolar mode.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFOR A CE CHARACTERISTICS
4
–100
–110
– 40
– 50
– 60
– 70
– 80
– 90
– 40
–10
–20
– 30
30
20
40
10
0
10
0
Bipolar Multiplying Mode
Signal-to-(Noise + Distortion)
vs Frequency, Code = All Zeros
Midscale Glitch Impulse
OUT
V
C
REFERENCE = 6V
C
V
CC
FEEDBACK
FEEDBACK
REF
= 5V USING AN LT1468
with DAC register loaded to all 0s.
= 10V
0.2
100
= 15pF
= 30pF
FREQUENCY (Hz)
80kHz FILTER
1nV-s TYPICAL
0.4
RMS
TIME ( s)
1k
0.6
500kHz FILTER
10k
30kHz
FILTER
W
0.8
1821 G04
1821 G01
U
100k
1.0
WAVEFORM
500 V/DIV
LD PULSE
SETTLING
5V/DIV
GATED
–100
–110
– 40
– 50
– 60
– 70
– 80
– 90
10
Bipolar Multiplying Mode
Signal-to-(Noise + Distortion)
vs Frequency, Code = All Ones
Full-Scale Setting Waveform
V
C
0V TO 10V STEP
V
C
REFERENCE = 6V
REF
FEEDBACK
CC
FEEDBACK
= 5V USING AN LT1468
= –10V
100
= 20pF
= 15pF
FREQUENCY (Hz)
80kHz FILTER
30kHz FILTER
RMS
500ns/DIV
1k
Note 8: To 0.0015% for a full-scale change, measured from the rising
edge of LD.
Note 9: REF = 0V. DAC register contents changed from all 0s to all 1s or all
1s to all 0s. LD low and WR high.
Note 10: Midscale transition code: 0111 1111 1111 1111 to
1000 0000 0000 0000. Unipolar mode, C
Note 11: R1 and R2 are measured between R1 and R
500kHz FILTER
10k
1821 G05
1821 G02
100k
–100
–110
– 40
– 50
– 60
– 70
– 80
– 90
5
4
2
1
0
3
10
0
Unipolar Multiplying Mode
Signal-to-(Noise + Distortion)
vs Frequency
V
Input Voltage
V
C
REFERENCE = 6V
V
ALL DIGITAL INPUTS
TIED TOGETHER
CC
CC
FEEDBACK
CC
= 5V
Supply Current vs Digital
= 5V
FEEDBACK
1
100
= 30pF
INTPUT VOLTAGE (V)
FREQUENCY (Hz)
80kHz FILTER
RMS
2
= 33pF.
1k
COM
, REF and R
500kHz FILTER
3
30kHz FILTER
10k
4
1821 G03
1821 G06
COM
100k
.
5