The DAC1220 is a 20-bit digital-to-analog (D/A) converter offering 20-bit monotonic performance over the specified temperature range

DAC1220

Manufacturer Part NumberDAC1220
DescriptionThe DAC1220 is a 20-bit digital-to-analog (D/A) converter offering 20-bit monotonic performance over the specified temperature range
ManufacturerTexas Instruments
DAC1220 datasheet
 


Specifications of DAC1220

Resolution(bits)20Dac: Channels1
InterfaceSerial SPIOutput TypeVoltage
Output Range Max.(v Or Ma)5.5Settling Time(µs)10000
Reference: TypeExtPower Consumption(typ)(mw)2.5
Dnl(max)(+/-lsb)1Inl(max)(+/-lsb)1
Pin/package16SSOP/QSOP  
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DAC1220
SBAS082G – FEBRUARY 1998 – REVISED SEPTEMBER
SCLK
SDIO
IN7
SDIO
IN7
Figure 9. Serial Interface Timing (CS Low)
CS
t
10
SCLK
IN7
SDIO
SDIO
IN7
Figure 10. Serial Interface Timing (Using CS)
CS
t
10
SCLK
IN7
SDIO
Figure 11. SDIO Input to Output Transition Timing
Table 4. Serial Interface Timing Characteristics
SYMBOL
DESCRIPTION
Falling edge of last SCLK for command to
t
9
rising edge of first SCLK for register data
t
Falling edge of CS to rising edge of SCLK
10
Falling edge of last SCLK for command to SDIO as
t
11
output
SDIO as output to rising edge of first SCLK
t
12
for register data
Falling edge of last SCLK for register data to SDIO
t
13
tri-state
Falling edge of last SCLK for register data to
t
rising edge of first SCLK of next command (CS tied
14
low)
t
Rising edge of CS to falling edge of CS (using CS)
15
10
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t
9
IN1
IN0
INM
Write Register Data
IN1
IN0
OUTM
Read Register Data
t
9
IN1
IN0
INM
Write Register Data
IN1
IN0
OUTM
Read Register Data
t
t
11
12
IN0
OUT MSB
t
9
SDIO is an input
MIN
13 × t
XIN
11 × t
XIN
8 × t
XIN
4 × t
XIN
41 × t
XIN
22 × t
XIN
Product Folder Link(s):
DAC1220
www.ti.com
t
14
IN1
IN0
IN7
OUT1
OUT0
IN7
t
15
t
10
IN1
IN0
IN7
OUT1
OUT0
IN7
t
13
OUT0
SDIO is an output
NOM
MAX
UNITS
ns
ns
10 × t
ns
XIN
4 × t
ns
XIN
6 × t
ns
XIN
ns
ns
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