AD7877WACPZ-REEL7 Просмотр технического описания (PDF) - Analog Devices
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AD7877WACPZ-REEL7 Datasheet PDF : 46 Pages
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AD7877
Data Sheet
Parameter
DAC
Resolution
Integral Nonlinearity
Differential Nonlinearity
Voltage Mode
Output Voltage Range
Slew Rate
Output Settling Time
Capacitive Load Stability
Output Impedance
Short-Circuit Current
Current Mode
Output Current Range
Output Impedance
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN4
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance4
Output Coding
CONVERSION RATE
Conversion Time
Throughput Rate
POWER REQUIREMENTS
VCC (Specified Performance)
VDRIVE
ICC
Converting Mode
Static
Min
Typ
Max
8
±1
±1
0 − VCC/2
0 − VCC
−0.4, +0.5
12
15
50
100
75
21
0
1000
Open
0.7 VDRIVE
0.3
VDRIVE
±1
10
VDRIVE − 0.2
0.4
±10
10
8
125
2.7
3.6
1.65
VCC
240
380
650
900
900
150
Shutdown Mode
1
1 See the Terminology section.
2 Difference between Temp0 and Temp1 measurement. No calibration necessary.
3 Temperature drift is −2.1 mV/°C.
4 Sample tested @ 25°C to ensure compliance.
Unit
Bits
Bits
V
V
V/µs
µs
pF
kΩ
mA
µA
V
V
µA
pF
V
V
µA
pF
µs
kSPS
V
V
µA
µA
µA
µA
µA
Test Conditions/Comments
Guaranteed monotonic by design
DAC register Bit 2 = 0, Bit 0 = 0
DAC register Bit 2 = 0, Bit 0 = 1
0 to 3/4 scale, RLOAD = 10 kΩ, CLOAD = 50 pF
RLOAD = 10 kΩ
Power-down mode
DAC register, Bit 2 = 1; full-scale current is set by RRNG
Power-down mode
Typically 10 nA, VIN = 0 V or VCC
ISOURCE = 250 µA, VCC/VDRIVE = 2.7 V to 5.25 V
ISINK = 250 µA
Straight (natural) binary
CS high to DAV low
Functional from 2.2 V to 5.25 V
Digital inputs = 0 V or VCC
ADC on, internal reference off, VCC = 3.6 V
ADC on, internal reference on, VCC = 3.6 V
ADC on, internal reference on, DAC on
ADC on, but not converting, internal reference off,
VCC = 3.6 V
Rev. E | Page 4 of 45
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