AD7877(RevA) 查看數據表（PDF） - Analog Devices
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AD7877 Datasheet PDF : 44 Pages
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AD7877
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
Shutdown Mode
Min Typ
Max
Unit
8
Bits
±1
Bits
±1
0 − VCC/2
V
0 − VCC
V
−0.4, +0.5
V/µs
12
15
µs
50
100
pF
75
kΩ
21
mA
0
1000
µA
Open
0.7 VDRIVE
V
0.3 VDRIVE V
±1
µA
10
pF
VDRIVE − 0.2
V
0.4
V
±10
µA
10
pF
8
125
2.7
1.65
240
650
900
150
µs
kSPS
3.6
V
VCC
V
380
µA
900
µA
µA
µA
1
µA
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.
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 I/Ps = 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. A | Page 4 of 44
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