AD9040A(RevD) 데이터 시트보기 (PDF) - Analog Devices
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AD9040A Datasheet PDF : 16 Pages
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AD9040A
PIN CONFIGURATION
PDIP and SOIC
D7
–VS 1
28 D0 (LSB)
GND 2
27 D1
D6
+VS
ENCODE
+VS 3
26 D2
D5
GND 4
25 D3
NC
VOUT 5
24 D4
VREF 6 AD9040A 23 VD
BPREF 7 TOP VIEW 22 GND
NC 8 (Not to Scale) 21 –VS
–VS
DGND
+VD
BPREF
VREF
ENCODE 9
20 D5
OBSOLETE +VS10
GND 11
–VS 12
AIN 13
GND 14
19 D6
18 D7
17 D8
16 D9 (MSB)
15 OR
NC = NO CONNECT
D4
D3
VOUT
D2
GND
NC = NO CONNECT
DIE LAYOUT AND MECHANICAL INFORMATION
Die Dimensions . . . . . . . . . 204 mils × 185 mils × 21 (± 1) mils
Pad Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 4 mils × 4 mils
Metalization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum
Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . None
Substrate Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –VS
Transistor Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,070
Passivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oxynitride
Die Attach (JN/JR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Epoxy
Bond Wire (JN/JR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gold
Pin No.
1, 12, 21
2, 4, 11, 14, 22
3, 10
5
6
7
8
9
Mnemonic
–VS
GND
+VS
VOUT
VREF
BPREF
NC
ENCODE
13
AIN
15
OR
16
17–20
23
24–27
28
D9 (MSB)
D8–D5
VD
D4–D1
D0 (LSB)
PIN FUNCTION DESCRIPTIONS
Function
5 V Power Supply.
Ground.
Analog 5 V Power Supply.
Internal Band Gap Voltage Reference (Nominally 2.5 V).
Noninverting Input to Reference Amplifier. Voltage reference for ADC is connected here.
External Connection for (0.1 µF) Reference Bypass Capacitor.
No Connection Internally.
Encode Clock Input to ADC. Internal track-and-hold placed in hold mode (ADC is encoding)
on rising edge.
Noninverting Input to Track-and-Hold Amplifier.
Out-of-Range Condition Output. Active high when analog input exceeds input range of ADC by
1 LSB (< FS – 1 LSB or > +FS + 1 LSB).
Most Significant Bit of ADC Output; TTL/CMOS Compatible.
Digital Output Bits of ADC; TTL/CMOS Compatible.
Digital +5 V Power Supply.
Digital Output Bits of ADC; TTL/CMOS Compatible.
Least Significant Bit of ADC Output; TTL/CMOS Compatible.
REV. D
–5–
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