HMCAD1041-40 [HITTITE]
Single 10-Bit 20/40 MSPS A/D Converter; 单10位20/40 MSPS A / D转换器
| 型号： | HMCAD1041-40 |
| 厂家： | 
HITTITE MICROWAVE CORPORATION |
| 描述： | Single 10-Bit 20/40 MSPS A/D Converter |
| 文件： | 总12页 (文件大小：501K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS
A/D Converter
gꢇꢀꢇꢆaꢄ Dꢇscꢆꢂpꢁꢂꢃꢀ
Fꢇaꢁuꢆꢇs
•ꢀ 10-biꢁ ꢂꢃꢄꢅluꢁiꢅꢆ
thꢃ HMCAD1041-40 iꢄ a high pꢃꢂfꢅꢂmaꢆcꢃ ulꢁꢂa
lꢅw pꢅwꢃꢂ aꢆalꢅg-ꢁꢅ-digiꢁal cꢅꢆꢀꢃꢂꢁꢃꢂ (ADC). thꢃ
ADC ꢃmplꢅyꢄ iꢆꢁꢃꢂꢆal ꢂꢃfꢃꢂꢃꢆcꢃ ciꢂcuiꢁꢂy, a CMos
cꢅꢆꢁꢂꢅl iꢆꢁꢃꢂfacꢃ, CMos ꢅuꢁpuꢁ daꢁa aꢆd iꢄ baꢄꢃd
ꢅꢆ a pꢂꢅpꢂiꢃꢁaꢂy ꢄꢁꢂucꢁuꢂꢃ. Digiꢁal ꢃꢂꢂꢅꢂ cꢅꢂꢂꢃcꢁiꢅꢆ iꢄ
ꢃmplꢅyꢃd ꢁꢅ ꢃꢆꢄuꢂꢃ ꢆꢅ miꢄꢄiꢆg cꢅdꢃꢄ iꢆ ꢁhꢃ cꢅmplꢃꢁꢃ
full ꢄcalꢃ ꢂaꢆgꢃ.
•ꢀ 20/40 MsPs maximum ꢄampliꢆg ꢂaꢁꢃ
•ꢀ Ulꢁꢂa-Lꢅw Pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ: 15/25 mW
•ꢀ 61.6 dB snr @ 8 MHz FIn
•ꢀ Iꢆꢁꢃꢂꢆal ꢂꢃfꢃꢂꢃꢆcꢃ ciꢂcuiꢁꢂy
•ꢀ 1.8 v cꢅꢂꢃ ꢄupply ꢀꢅlꢁagꢃ
twꢅ idlꢃ mꢅdꢃꢄ wiꢁh faꢄꢁ ꢄꢁaꢂꢁup ꢁimꢃꢄ ꢃxiꢄꢁ. thꢃ ꢃꢆꢁiꢂꢃ
chip caꢆ ꢃiꢁhꢃꢂ bꢃ puꢁ iꢆ sꢁaꢆdby Mꢅdꢃ ꢅꢂ Pꢅwꢃꢂ
Dꢅwꢆ mꢅdꢃ. thꢃ ꢁwꢅ mꢅdꢃꢄ aꢂꢃ ꢅpꢁimizꢃd ꢁꢅ allꢅw
ꢁhꢃ uꢄꢃꢂ ꢁꢅ ꢄꢃlꢃcꢁ ꢁhꢃ mꢅdꢃ ꢂꢃꢄulꢁiꢆg iꢆ ꢁhꢃ lꢅwꢃꢄꢁ
pꢅꢄꢄiblꢃ ꢃꢆꢃꢂgy cꢅꢆꢄumpꢁiꢅꢆ duꢂiꢆg idlꢃ mꢅdꢃ aꢆd
ꢄꢁaꢂꢁup.
•ꢀ 1.7 - 3.6 v I/o ꢄupply ꢀꢅlꢁagꢃ
•ꢀ Paꢂallꢃl CMos ꢅuꢁpuꢁ
•ꢀ 6 x 6 mm 40-Piꢆ QFn (LP6He) Packagꢃ
typꢂcaꢄ Appꢄꢂcaꢁꢂꢃꢀs
thꢃ HMCAD1041-40 haꢄ a highly liꢆꢃaꢂ tHA ꢅpꢁim-
izꢃd fꢅꢂ fꢂꢃquꢃꢆciꢃꢄ up ꢁꢅ nyquiꢄꢁ. thꢃ diffꢃꢂꢃꢆꢁial
clꢅck iꢆꢁꢃꢂfacꢃ iꢄ ꢅpꢁimizꢃd fꢅꢂ lꢅw jiꢁꢁꢃꢂ clꢅck ꢄꢅuꢂcꢃꢄ
aꢆd ꢄuppꢅꢂꢁꢄ LvDs, LvPeCL, ꢄiꢆꢃ waꢀꢃ aꢆd CMos
clꢅck iꢆpuꢁꢄ.
0
•ꢀ Mꢃdical Imagiꢆg
•ꢀ Pꢅꢂꢁablꢃ tꢃꢄꢁ equipmꢃꢆꢁ
•ꢀ Digiꢁal oꢄcillꢅꢄcꢅpꢃꢄ
•ꢀ IF Cꢅmmuꢆicaꢁiꢅꢆ
Piꢆ cꢅmpaꢁiblꢃ wiꢁh HMCAD1041-80, HMCAD1051-40
aꢆd HMCAD1051-80.
Fuꢀcꢁꢂꢃꢀaꢄ Dꢂaꢅꢆam
Figure 1. Functional Block Diagram
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 1
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
eꢄꢇcꢁꢆꢂcaꢄ Spꢇcꢂficaꢁꢂꢃꢀs
DC eꢄꢇcꢁꢆꢂcaꢄ Spꢇcꢂficaꢁꢂꢃꢀs
AvDD= 1.8v, DvDD= 1.8v, DvDDCK= 1.8v, ovDD= 2.5v, 20/40 MsPs clꢅck, 50% clꢅck duꢁy cyclꢃ, -1 dBFs 8 MHz iꢆpuꢁ ꢄigꢆal, uꢆlꢃꢄꢄ ꢅꢁhꢃꢂwiꢄꢃ ꢆꢅꢁꢃd
Parameter
DC Accuracy
Condition
Min
Typ
Max
Unit
nꢅ miꢄꢄiꢆg cꢅdꢃꢄ
offꢄꢃꢁ ꢃꢂꢂꢅꢂ
Gaiꢆ ꢃꢂꢂꢅꢂ
DnL
Guaꢂaꢆꢁꢃꢃd
1
Midꢄcalꢃ ꢅffꢄꢃꢁ
Full ꢄcalꢃ ꢂaꢆgꢃ dꢃꢀiaꢁiꢅꢆ fꢂꢅm ꢁypical
Diffꢃꢂꢃꢆꢁial ꢆꢅꢆliꢆꢃaꢂiꢁy
LsB
%Fs
LsB
LsB
v
6
0.15
0.2
InL
Iꢆꢁꢃgꢂal ꢆꢅꢆliꢆꢃaꢂiꢁy
vCM
Cꢅmmꢅꢆ mꢅdꢃ ꢀꢅlꢁagꢃ ꢅuꢁpuꢁ
vAvDD/2
Analog Input
Iꢆpuꢁ cꢅmmꢅꢆ mꢅdꢃ
Full ꢄcalꢃ ꢂaꢆgꢃ
Iꢆpuꢁ capaciꢁaꢆcꢃ
Baꢆdwidꢁh
Aꢆalꢅg iꢆpuꢁ cꢅmmꢅꢆ mꢅdꢃ ꢀꢅlꢁagꢃ
Diffꢃꢂꢃꢆꢁial iꢆpuꢁ ꢀꢅlꢁagꢃ ꢂaꢆgꢃ
Diffꢃꢂꢃꢆꢁial iꢆpuꢁ capaciꢁaꢆcꢃ
Iꢆpuꢁ Baꢆdwidꢁh
vCM -0.1
500
vCM +0.2
v
0
2
2
vpp
pF
MHz
Power Supply
supply ꢀꢅlꢁagꢃ ꢁꢅ all 1.8v dꢅmaiꢆ piꢆꢄ. sꢃꢃ Piꢆ Cꢅꢆfiguꢂaꢁiꢅꢆ aꢆd
Dꢃꢄcꢂipꢁiꢅꢆ
Cꢅꢂꢃ supply vꢅlꢁagꢃ
I/o supply vꢅlꢁagꢃ
1.7
1.7
1.8
2
v
v
ouꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply ꢀꢅlꢁagꢃ (ovDD). shꢅuld bꢃ highꢃꢂ ꢁhaꢆ ꢅꢂ ꢃqual
2.5
3.6
ꢁꢅ Cꢅꢂꢃ supply vꢅlꢁagꢃ (vovDD ≥ vDvDD
)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 2
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
AC eꢄꢇcꢁꢆꢂcaꢄ Spꢇcꢂficaꢁꢂꢃꢀs - 20 MSPS
AvDD=1.8v, DvDD=1.8v, DvDDCK=1.8v, ovDD=2.5v, Fs=20MsPs clꢅck, 50% clꢅck duꢁy cyclꢃ, -1dBFs 8MHz iꢆpuꢁ ꢄigꢆal, uꢆlꢃꢄꢄ ꢅꢁhꢃꢂwiꢄꢃ ꢆꢅꢁꢃd.
Parameter
Performance
Condition
Min
Typ
Max
Unit
snr
snDr
sFDr
sigꢆal ꢁꢅ nꢅiꢄꢃ raꢁiꢅ
FIn = 2 MHz
61.7
61.6
61.6
61.6
dBFs
dBFs
dBFs
dBFs
FIn = 8 MHz
60
FIn =~ Fs/2
FIn = 20 MHz
sigꢆal ꢁꢅ nꢅiꢄꢃ aꢆd Diꢄꢁꢅꢂꢁiꢅꢆ raꢁiꢅ
FIn = 2 MHz
61.7
61.6
60.5
61.6
dBFs
dBFs
dBFs
dBFs
FIn = 8 MHz
60
FIn =~ Fs/2
FIn = 20 MHz
0
spuꢂiꢅuꢄ Fꢂꢃꢃ Dyꢆamic raꢆgꢃ
FIn = 2 MHz
80
81
70
80
dBc
dBc
dBc
dBc
FIn = 8 MHz
70
-80
-70
9.7
FIn =~ Fs/2
FIn = 20 MHz
HD2
HD3
sꢃcꢅꢆd ꢅꢂdꢃꢂ Haꢂmꢅꢆic Diꢄꢁꢅꢂꢁiꢅꢆ
FIn = 2 MHz
-90
-90
-90
-90
dBc
dBc
dBc
dBc
FIn = 8 MHz
FIn =~ Fs/2
FIn = 20 MHz
thiꢂd ꢅꢂdꢃꢂ Haꢂmꢅꢆic Diꢄꢁꢅꢂꢁiꢅꢆ
FIn = 2 MHz
-80
-81
-70
-80
dBc
dBc
dBc
dBc
FIn = 8 MHz
FIn =~ Fs/2
FIn = 20 MHz
enoB
effꢃcꢁiꢀꢃ ꢆumbꢃꢂ ꢅf Biꢁꢄ
FIn = 2 MHz
10
biꢁꢄ
biꢁꢄ
biꢁꢄ
biꢁꢄ
FIn = 8 MHz
9.9
9.8
9.9
FIn =~ Fs/2
FIn = 20 MHz
Power Supply
Aꢆalꢅg ꢄupply cuꢂꢂꢃꢆꢁ
Digiꢁal ꢄupply cuꢂꢂꢃꢆꢁ
ouꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply
ouꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply
Aꢆalꢅg pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ
Digiꢁal pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ
tꢅꢁal pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ
Pꢅwꢃꢂ Dꢅwꢆ Diꢄꢄipaꢁiꢅꢆ
slꢃꢃp Mꢅdꢃ
5.7
1
mA
mA
mA
mA
mW
mW
mW
µW
mW
Digiꢁal cꢅꢂꢃ ꢄupply
2.5v ꢅuꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply, ꢄiꢆꢃ waꢀꢃ iꢆpuꢁ, FIn = 1 MHz, CK_eXt ꢃꢆablꢃd
2.5v ꢅuꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply, ꢄiꢆꢃ waꢀꢃ iꢆpuꢁ, FIn = 1 MHz, CK_eXt diꢄablꢃd
1.7
1.2
10.3
4.8
15.1
9.9
7.7
ovDD = 2.5v, 5pF lꢅad ꢅꢆ ꢅuꢁpuꢁ biꢁꢄ, FIn = 1 MHz, CK_eXt diꢄablꢃd
ovDD = 2.5v, 5pF lꢅad ꢅꢆ ꢅuꢁpuꢁ biꢁꢄ, FIn = 1 MHz, CK_eXt diꢄablꢃd
Pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ, slꢃꢃp mꢅdꢃ
Clock Inputs
Max. Cꢅꢆꢀꢃꢂꢄiꢅꢆ raꢁꢃ
20
MsPs
MsPs
Miꢆ. Cꢅꢆꢀꢃꢂꢄiꢅꢆ raꢁꢃ
3
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 3
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
AC eꢄꢇcꢁꢆꢂcaꢄ Spꢇcꢂficaꢁꢂꢃꢀs - 40 MSPS
AvDD=1.8v, DvDD=1.8v, DvDDCK=1.8v, ovDD=2.5v, Fs=40MsPs clꢅck, 50% clꢅck duꢁy cyclꢃ, -1dBFs 8MHz iꢆpuꢁ ꢄigꢆal, uꢆlꢃꢄꢄ ꢅꢁhꢃꢂwiꢄꢃ ꢆꢅꢁꢃd.
Parameter
Performance
Condition
Min
Typ
Max
Unit
snr
snDr
sFDr
HD2
sigꢆal ꢁꢅ nꢅiꢄꢃ raꢁiꢅ
FIn = 2 MHz
61.6
61.6
61.6
61.5
dBFs
dBFs
dBFs
dBFs
FIn = 8 MHz
60
FIn =~ Fs/2
FIn = 30 MHz
sigꢆal ꢁꢅ nꢅiꢄꢃ aꢆd Diꢄꢁꢅꢂꢁiꢅꢆ raꢁiꢅ
FIn = 2 MHz
61.6
61.6
61.2
61.4
dBFs
dBFs
dBFs
dBFs
FIn = 8 MHz
60
70
FIn =~ Fs/2
FIn = 30 MHz
0
spuꢂiꢅuꢄ Fꢂꢃꢃ Dyꢆamic raꢆgꢃ
FIn = 2 MHz
80
81
72
80
dBc
dBc
dBc
dBc
FIn = 8 MHz
FIn =~ Fs/2
FIn = 30 MHz
sꢃcꢅꢆd ꢅꢂdꢃꢂ Haꢂmꢅꢆic Diꢄꢁꢅꢂꢁiꢅꢆ
FIn = 2 MHz
-90
-90
-85
-85
dBc
dBc
dBc
dBc
FIn = 8 MHz
-80
-70
9.7
FIn =~ Fs/2
FIn = 30 MHz
HD3
thiꢂd ꢅꢂdꢃꢂ Haꢂmꢅꢆic Diꢄꢁꢅꢂꢁiꢅꢆ
FIn = 2 MHz
-80
-81
-72
-80
dBc
dBc
dBc
dBc
FIn = 8 MHz
FIn =~ Fs/2
FIn = 30 MHz
enoB
effꢃcꢁiꢀꢃ ꢆumbꢃꢂ ꢅf Biꢁꢄ
FIn = 2 MHz
9.9
9.9
9.9
9.9
biꢁꢄ
biꢁꢄ
biꢁꢄ
biꢁꢄ
FIn = 8 MHz
FIn =~ Fs/2
FIn = 30 MHz
Power Supply
Aꢆalꢅg ꢄupply cuꢂꢂꢃꢆꢁ
Digiꢁal ꢄupply cuꢂꢂꢃꢆꢁ
ouꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply
ouꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply
Aꢆalꢅg pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ
9.3
1.7
mA
mA
mA
mA
mW
Digiꢁal cꢅꢂꢃ ꢄupply
2.5v ꢅuꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply, ꢄiꢆꢃ waꢀꢃ iꢆpuꢁ, FIn = 1 MHz, CK_eXt ꢃꢆablꢃd
2.5v ꢅuꢁpuꢁ dꢂiꢀꢃꢂ ꢄupply, ꢄiꢆꢃ waꢀꢃ iꢆpuꢁ, FIn = 1 MHz, CK_eXt diꢄablꢃd
3.1
2.2
16.7
Digiꢁal pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ
ovDD = 2.5v, 5pF lꢅad ꢅꢆ ꢅuꢁpuꢁ biꢁꢄ, FIn = 1 MHz, CK_eXt diꢄablꢃd
ovDD = 2.5v, 5pF lꢅad ꢅꢆ ꢅuꢁpuꢁ biꢁꢄ, FIn = 1 MHz, CK_eXt diꢄablꢃd
8.6
mW
tꢅꢁal pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ
Pꢅwꢃꢂ Dꢅwꢆ Diꢄꢄipaꢁiꢅꢆ
slꢃꢃp Mꢅdꢃ
25.3
9.7
mW
µW
Pꢅwꢃꢂ Diꢄꢄipaꢁiꢅꢆ, slꢃꢃp mꢅdꢃ
11.3
mW
Clock Inputs
Max. Cꢅꢆꢀꢃꢂꢄiꢅꢆ raꢁꢃ
Miꢆ. Cꢅꢆꢀꢃꢂꢄiꢅꢆ raꢁꢃ
40
MsPs
MsPs
3
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 4
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
Dꢂꢅꢂꢁaꢄ aꢀd tꢂmꢂꢀꢅ Spꢇcꢂficaꢁꢂꢃꢀs
AvDD=1.8v, DvDD=1.8v, DvDDCK=1.8v, ovDD=2.5v, Cꢅꢆꢀꢃꢂꢄiꢅꢆ raꢁꢃ: Max ꢄpꢃcifiꢃd, 50% clꢅck duꢁy cyclꢃ, -1dBFs iꢆpuꢁ ꢄigꢆal, 5 pF capaciꢁiꢀꢃ
lꢅad ꢅꢆ daꢁa ꢅuꢁpuꢁꢄ, uꢆlꢃꢄꢄ ꢅꢁhꢃꢂwiꢄꢃ ꢆꢅꢁꢃd
Parameter
Clock Inputs
Condition
Min
Typ
Max
Unit
Duꢁy Cyclꢃ
Cꢅmpliaꢆcꢃ
Iꢆpuꢁ ꢂaꢆgꢃ
Iꢆpuꢁ ꢂaꢆgꢃ
20
80
% high
CMos, LvDs, LvPeCL, siꢆꢃ Waꢀꢃ
Diffꢃꢂꢃꢆꢁial iꢆpuꢁ ꢄwiꢆg
0.4
1.6
vpp
vpp
Diffꢃꢂꢃꢆꢁial iꢆpuꢁ ꢄwiꢆg, ꢄiꢆꢃ waꢀꢃ clꢅck iꢆpuꢁ
Iꢆpuꢁ cꢅmmꢅꢆ mꢅdꢃ
ꢀꢅlꢁagꢃ
Kꢃꢃp ꢀꢅlꢁagꢃꢄ wiꢁhiꢆ gꢂꢅuꢆd aꢆd ꢀꢅlꢁagꢃ ꢅf ovDD
Diffꢃꢂꢃꢆꢁial
0.3
vovDD -0.3
v
Iꢆpuꢁ capaciꢁaꢆcꢃ
2
pF
Timing
clꢅck
cyclꢃꢄ
tPD
tsLP
tovr
sꢁaꢂꢁ up ꢁimꢃ fꢂꢅm Pꢅwꢃꢂ Dꢅwꢆ Mꢅdꢃ ꢁꢅ Acꢁiꢀꢃ Mꢅdꢃ
sꢁaꢂꢁ up ꢁimꢃ fꢂꢅm slꢃꢃp Mꢅdꢃ ꢁꢅ Acꢁiꢀꢃ Mꢅdꢃ
ouꢁ ꢅf ꢂaꢆgꢃ ꢂꢃcꢅꢀꢃꢂy ꢁimꢃ
900
20
0
clꢅck
cylclꢃꢄ
clꢅck
cyclꢃꢄ
1
t
Apꢃꢂꢁuꢂꢃ Dꢃlay
Apꢃꢂꢁuꢂꢃ jiꢁꢁꢃꢂ
0.8
ꢆꢄ
pꢄ
AP
Єꢂmꢄ
tLAt
< 0.5
clꢅck
cyclꢃꢄ
Pipꢃliꢆꢃ Dꢃlay
12
tD
ouꢁpuꢁ dꢃlay (ꢄꢃꢃ ꢁimiꢆg diagꢂam). 5pF lꢅad ꢅꢆ ꢅuꢁpuꢁ biꢁꢄ
ouꢁpuꢁ dꢃlay ꢂꢃlaꢁiꢀꢃ ꢁꢅ CK_eXt (ꢄꢃꢃ ꢁimiꢆg diagꢂam)
3
1
10
6
ꢆꢄ
ꢆꢄ
tDC
Logic Inputs
vHI
High Lꢃꢀꢃl Iꢆpuꢁ vꢅlꢁagꢃ. vovDD ≥ 3.0v
High Lꢃꢀꢃl Iꢆpuꢁ vꢅlꢁagꢃ. vovDD = 1.7v – 3.0v
Lꢅw Lꢃꢀꢃl Iꢆpuꢁ vꢅlꢁagꢃ. vovDD ≥ 3.0v
Lꢅw Lꢃꢀꢃl Iꢆpuꢁ vꢅlꢁagꢃ. vovDD = 1.7v – 3.0v
High Lꢃꢀꢃl Iꢆpuꢁ lꢃakagꢃ Cuꢂꢂꢃꢆꢁ
Lꢅw Lꢃꢀꢃl Iꢆpuꢁ lꢃakagꢃ Cuꢂꢂꢃꢆꢁ
2
v
v
vHI
0.8 ·vovDD
vLI
0
0
0.8
0.2 ·vovDD
10
v
vLI
v
IHI
µA
µA
pF
ILI
10
CI
Logic Outputs
vHo
Iꢆpuꢁ Capaciꢁaꢆcꢃ
3
High Lꢃꢀꢃl ouꢁpuꢁ vꢅlꢁagꢃ
Lꢅw Lꢃꢀꢃl ouꢁpuꢁ vꢅlꢁagꢃ
vovDD -0.1
v
v
vLo
0.1
5
Max capaciꢁiꢀꢃ lꢅad. Pꢅꢄꢁ-dꢂiꢀꢃꢂ ꢄupply ꢀꢅlꢁagꢃ ꢃqual ꢁꢅ pꢂꢃ-dꢂiꢀꢃꢂ
ꢄupply ꢀꢅlꢁagꢃ vovDD = voCvDD
CL
pF
pF
CL
Max capaciꢁiꢀꢃ lꢅad. Pꢅꢄꢁ-dꢂiꢀꢃꢂ ꢄupply ꢀꢅlꢁagꢃ abꢅꢀꢃ 2.25v (1)
10
(1) thꢃ ꢅuꢁpuꢁꢄ will bꢃ fuꢆcꢁiꢅꢆal wiꢁh highꢃꢂ lꢅadꢄ. Hꢅwꢃꢀꢃꢂ, iꢁ iꢄ ꢂꢃcꢅmmꢃꢆdꢃd ꢁꢅ kꢃꢃp ꢁhꢃ lꢅad ꢅꢆ ꢅuꢁpuꢁ daꢁa biꢁꢄ aꢄ lꢅw aꢄ pꢅꢄꢄiblꢃ
ꢁꢅ kꢃꢃp dyꢆamic cuꢂꢂꢃꢆꢁꢄ aꢆd ꢂꢃꢄulꢁiꢆg ꢄwiꢁchiꢆg ꢆꢅiꢄꢃ aꢁ a miꢆimum
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 5
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
tꢂmꢂꢀꢅ Dꢂaꢅꢆam
0
Figuꢂꢃ 2: timiꢆg Diagꢂam
Absꢃꢄuꢁꢇ Maxꢂmum raꢁꢂꢀꢅs
Abꢄꢅluꢁꢃ maximum ꢂaꢁiꢆgꢄ aꢂꢃ limiꢁiꢆg ꢀaluꢃꢄ ꢁꢅ bꢃ appliꢃd fꢅꢂ ꢄhꢅꢂꢁ pꢃꢂiꢅdꢄ ꢅf ꢁimꢃ. expꢅꢄuꢂꢃ ꢁꢅ abꢄꢅluꢁꢃ maxi-
mum ꢂaꢁiꢆg cꢅꢆdiꢁiꢅꢆꢄ fꢅꢂ aꢆ ꢃxꢁꢃꢆdꢃd pꢃꢂiꢅd ꢅf ꢁimꢃ may ꢂꢃducꢃ dꢃꢀicꢃ lifꢃꢁimꢃ.
tabꢄꢇ 1:
eLeCtrostAtIC sensItIve DevICe
oBserve HAnDLInG PreCAUtIons
Pin
AvDD
Pin
Rating
vss
vss
vss
vss
vss
vss
vss
vss
-0.3v ꢁꢅ +2.3v
-0.3v ꢁꢅ +2.3v
-0.3v ꢁꢅ +0.3v
-0.3v ꢁꢅ +3.9v
-0.3v ꢁꢅ +2.3v
-0.3v ꢁꢅ +3.9v
-0.3v ꢁꢅ +3.9v
-0.3v ꢁꢅ +3.9v
-40 ꢁꢅ +85 ºC
-60 ꢁꢅ +150 ºC
J-stD-020
DvDD
sꢁꢂꢃꢄꢄꢃꢄ abꢅꢀꢃ ꢁhꢅꢄꢃ liꢄꢁꢃd uꢆdꢃꢂ Abꢄꢅluꢁꢃ Maximum
raꢁiꢆgꢄ may cauꢄꢃ pꢃꢂmaꢆꢃꢆꢁ damagꢃ ꢁꢅ ꢁhꢃ dꢃꢀicꢃ. thiꢄ
iꢄ a ꢄꢁꢂꢃꢄꢄ ꢂaꢁiꢆg ꢅꢆly; fuꢆcꢁiꢅꢆal ꢅpꢃꢂaꢁiꢅꢆ ꢅf ꢁhꢃ dꢃꢀicꢃ
aꢁ ꢁhꢃꢄꢃ ꢅꢂ aꢆy ꢅꢁhꢃꢂ cꢅꢆdiꢁiꢅꢆꢄ abꢅꢀꢃ ꢁhꢅꢄꢃ iꢆdicaꢁꢃd iꢆ
ꢁhꢃ ꢅpꢃꢂaꢁiꢅꢆal ꢄꢃcꢁiꢅꢆ ꢅf ꢁhiꢄ ꢄpꢃcificaꢁiꢅꢆ iꢄ ꢆꢅꢁ impliꢃd.
expꢅꢄuꢂꢃ ꢁꢅ abꢄꢅluꢁꢃ maximum ꢂaꢁiꢆg cꢅꢆdiꢁiꢅꢆꢄ fꢅꢂ
ꢃxꢁꢃꢆdꢃd pꢃꢂiꢅdꢄ may affꢃcꢁ dꢃꢀicꢃ ꢂꢃliabiliꢁy.
Avss, DvssCK, Dvss, ovss
ovDD
IP, In, aꢆalꢅg iꢆpuꢁꢄ aꢆd ꢅuꢁpuꢁꢄ
Digiꢁal ꢅuꢁpuꢁꢄ
CKP, CKn
Digiꢁal Iꢆpuꢁꢄ
opꢃꢂaꢁiꢆg ꢁꢃmpꢃꢂaꢁuꢂꢃ
sꢁꢅꢂagꢃ ꢁꢃmpꢃꢂaꢁuꢂꢃ
sꢅldꢃꢂiꢆg Pꢂꢅfilꢃ Qualificaꢁiꢅꢆ
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 6
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
Pꢂꢀ Cꢃꢀfiꢅuꢆaꢁꢂꢃꢀ aꢀd Dꢇscꢆꢂpꢁꢂꢃꢀ
0
Figuꢂꢃ 3: Packagꢃ Dꢂawiꢆg, QFn 40-piꢆ
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 7
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
tabꢄꢇ 2: Pꢂꢀ Fuꢀcꢁꢂꢃꢀ
Pin #
Name
Description
0
vss
DvDD
Gꢂꢅuꢆd cꢅꢆꢆꢃcꢁiꢅꢆ fꢅꢂ all pꢅwꢃꢂ dꢅmaiꢆꢄ. expꢅꢄꢃd pad
Digiꢁal aꢆd I/o-ꢂiꢆg pꢂꢃ dꢂiꢀꢃꢂ ꢄupply ꢀꢅlꢁagꢃ, 1.8v
Cꢅmmꢅꢆ Mꢅdꢃ ꢀꢅlꢁagꢃ ꢅuꢁpuꢁ
1, 11, 16
2
3, 4, 7,
5, 6
8
CM_eXt
AvDD
Aꢆalꢅg ꢄupply ꢀꢅlꢁagꢃ, 1.8v
IP, In
Aꢆalꢅg iꢆpuꢁ (ꢆꢅꢆ-iꢆꢀꢃꢂꢁiꢆg, iꢆꢀꢃꢂꢁiꢆg)
DvDDCK
CKP
Clꢅck ciꢂcuiꢁꢂy ꢄupply ꢀꢅlꢁagꢃ, 1.8v
9
Clꢅck iꢆpuꢁ, ꢆꢅꢆ-iꢆꢀꢃꢂꢁiꢆg (Fꢅꢂmaꢁ: LvDs, LvPeCL, CMos/ttL, siꢆꢃ Waꢀꢃ)
Clꢅck iꢆpuꢁ, iꢆꢀꢃꢂꢁiꢆg. Fꢅꢂ CMos iꢆpuꢁ ꢅꢆ CKP, cꢅꢆꢆꢃcꢁ CKn ꢁꢅ gꢂꢅuꢆd.
CK_eXt ꢄigꢆal ꢃꢆablꢃd whꢃꢆ lꢅw (zꢃꢂꢅ). tꢂiꢄꢁaꢁꢃ whꢃꢆ high.
Daꢁa fꢅꢂmaꢁ ꢄꢃlꢃcꢁiꢅꢆ. 0: offꢄꢃꢁ Biꢆaꢂy, 1: twꢅ’ꢄ Cꢅmplꢃmꢃꢆꢁ
10
CKn
12
CK_eXt_en
DFrMt
13
Full chip Pꢅwꢃꢂ Dꢅwꢆ mꢅdꢃ whꢃꢆ Lꢅw. All digiꢁal ꢅuꢁpuꢁꢄ ꢂꢃꢄꢃꢁ ꢁꢅ zꢃꢂꢅ. After chip power up always apply
14
PD_n
oe_n
ovDD
Power Down mode before using Active Mode to reset chip.
0
15
ouꢁpuꢁ eꢆablꢃ. tꢂiꢄꢁaꢁꢃ whꢃꢆ high
17, 18, 25, 26,
36, 37
I/o ꢂiꢆg pꢅꢄꢁ-dꢂiꢀꢃꢂ ꢄupply ꢀꢅlꢁagꢃ. vꢅlꢁagꢃ ꢂaꢆgꢃ 1.7 ꢁꢅ 3.6v
19
20
21
22
23
24
27
28
29
30
31
32
33
34
35
nC
nC
nC
D_0
ouꢁpuꢁ Daꢁa (LsB)
D_1
ouꢁpuꢁ Daꢁa
ornG
CK_eXt
D_2
ouꢁ ꢅf raꢆgꢃ flag. High whꢃꢆ iꢆpuꢁ ꢄigꢆal iꢄ ꢅuꢁ ꢅf ꢂaꢆgꢃ
ouꢁpuꢁ clꢅck ꢄigꢆal fꢅꢂ daꢁa ꢄyꢆchꢂꢅꢆizaꢁiꢅꢆ. CMos lꢃꢀꢃlꢄ
ouꢁpuꢁ Daꢁa
ouꢁpuꢁ Daꢁa
D_3
D_4
ouꢁpuꢁ Daꢁa
D_5
ouꢁpuꢁ Daꢁa
D_6
ouꢁpuꢁ Daꢁa
D_7
ouꢁpuꢁ Daꢁa
D_8
ouꢁpuꢁ Daꢁa
D_9
ouꢁpuꢁ Daꢁa (MsB)
Biaꢄ cꢅꢆꢁꢂꢅl biꢁꢄ fꢅꢂ ꢁhꢃ buffꢃꢂ dꢂiꢀiꢆg piꢆ CM_eXt
CM_eXtBC_1,
CM_eXtBC_0
38, 39
40
00:
10:
oFF
500uA
01:
11:
50uA
1mA
sLP_n
slꢃꢃp Mꢅdꢃ whꢃꢆ lꢅw
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 8
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
rꢇcꢃmmꢇꢀdꢇd Usaꢅꢇ
Analog Input
thꢃ aꢆalꢅg iꢆpuꢁꢄ ꢁꢅ ꢁhꢃ HMCAD1041-40 iꢄ a ꢄwiꢁchꢃd
capaciꢁꢅꢂ ꢁꢂack-aꢆd-hꢅld amplifiꢃꢂ ꢅpꢁimizꢃd fꢅꢂ diffꢃꢂ-
ꢃꢆꢁial ꢅpꢃꢂaꢁiꢅꢆ. opꢃꢂaꢁiꢅꢆ aꢁ cꢅmmꢅꢆ mꢅdꢃ ꢀꢅlꢁagꢃꢄ
aꢁ mid ꢄupply iꢄ ꢂꢃcꢅmmꢃꢆdꢃd ꢃꢀꢃꢆ if pꢃꢂfꢅꢂmaꢆcꢃ
will bꢃ gꢅꢅd fꢅꢂ ꢁhꢃ ꢂaꢆgꢃꢄ ꢄpꢃcifiꢃd. thꢃ CM_eXt piꢆ
pꢂꢅꢀidꢃꢄ a ꢀꢅlꢁagꢃ ꢄuiꢁablꢃ aꢄ cꢅmmꢅꢆ mꢅdꢃ ꢀꢅlꢁagꢃ
ꢂꢃfꢃꢂꢃꢆcꢃ. thꢃ iꢆꢁꢃꢂꢆal buffꢃꢂ fꢅꢂ ꢁhꢃ CM_eXt ꢀꢅlꢁagꢃ
caꢆ bꢃ ꢄwiꢁchꢃd ꢅff, aꢆd dꢂiꢀiꢆg capabiliꢁiꢃꢄ caꢆ bꢃ
chaꢆgꢃd by uꢄiꢆg ꢁhꢃ CM_eXtBC cꢅꢆꢁꢂꢅl iꢆpuꢁ.
Figuꢂꢃ 5: DC cꢅuplꢃd iꢆpuꢁ wiꢁh buffꢃꢂ
thꢃ iꢆpuꢁ amplifiꢃꢂ cꢅuld bꢃ iꢆꢄidꢃ a cꢅmpaꢆiꢅꢆ chip
ꢅꢂ iꢁ cꢅuld bꢃ a dꢃdicaꢁꢃd amplifiꢃꢂ. sꢃꢀꢃꢂal ꢄuiꢁablꢃ
ꢄiꢆglꢃ ꢃꢆdꢃd ꢁꢅ diffꢃꢂꢃꢆꢁial dꢂiꢀꢃꢂ amplifiꢃꢂꢄ ꢃxiꢄꢁ iꢆ ꢁhꢃ
maꢂkꢃꢁ. thꢃ ꢄyꢄꢁꢃm dꢃꢄigꢆꢃꢂ ꢄhꢅuld makꢃ ꢄuꢂꢃ ꢁhꢃ
ꢄpꢃcificaꢁiꢅꢆꢄ ꢅf ꢁhꢃ ꢄꢃlꢃcꢁꢃd amplifiꢃꢂ iꢄ adꢃquaꢁꢃ fꢅꢂ
ꢁhꢃ ꢁꢅꢁal ꢄyꢄꢁꢃm, aꢆd ꢁhaꢁ dꢂiꢀiꢆg capabiliꢁiꢃꢄ cꢅmply
wiꢁh ꢁhꢃ HMCAD1041-40 iꢆpuꢁ ꢄpꢃcificaꢁiꢅꢆꢄ.
Figuꢂꢃ 4 ꢄhꢅwꢄ a ꢄimplifiꢃd dꢂawiꢆg ꢅf ꢁhꢃ iꢆpuꢁ ꢆꢃꢁ-
wꢅꢂk. thꢃ ꢄigꢆal ꢄꢅuꢂcꢃ muꢄꢁ haꢀꢃ ꢄufficiꢃꢆꢁly lꢅw
ꢅuꢁpuꢁ impꢃdaꢆcꢃ ꢁꢅ chaꢂgꢃ ꢁhꢃ ꢄampliꢆg capaciꢁꢅꢂꢄ
wiꢁhiꢆ ꢅꢆꢃ clꢅck cyclꢃ. A ꢄmall ꢃxꢁꢃꢂꢆal ꢂꢃꢄiꢄꢁꢅꢂ (ꢃ.g.
22 ohm) iꢆ ꢄꢃꢂiꢃꢄ wiꢁh ꢃach iꢆpuꢁ iꢄ ꢂꢃcꢅmmꢃꢆdꢃd
aꢄ iꢁ hꢃlpꢄ ꢂꢃduciꢆg ꢁꢂaꢆꢄiꢃꢆꢁ cuꢂꢂꢃꢆꢁꢄ aꢆd dampꢃꢆꢄ
ꢂiꢆgiꢆg bꢃhaꢀiꢅꢂ. A ꢄmall diffꢃꢂꢃꢆꢁial ꢄhuꢆꢁ capaciꢁꢅꢂ aꢁ
ꢁhꢃ chip ꢄidꢃ ꢅf ꢁhꢃ ꢂꢃꢄiꢄꢁꢅꢂꢄ may bꢃ uꢄꢃd ꢁꢅ pꢂꢅꢀidꢃ
dyꢆamic chaꢂgiꢆg cuꢂꢂꢃꢆꢁꢄ aꢆd may impꢂꢅꢀꢃ pꢃꢂfꢅꢂ-
maꢆcꢃ. thꢃ ꢂꢃꢄiꢄꢁꢅꢂꢄ fꢅꢂm a lꢅw paꢄꢄ filꢁꢃꢂ wiꢁh ꢁhꢃ
capaciꢁꢅꢂ, aꢆd ꢀaluꢃꢄ muꢄꢁ ꢁhꢃꢂꢃfꢅꢂꢃ bꢃ dꢃꢁꢃꢂmiꢆꢃd by
ꢂꢃquiꢂꢃmꢃꢆꢁꢄ fꢅꢂ ꢁhꢃ applicaꢁiꢅꢆ.
0
Dꢃꢁailꢃd cꢅꢆfiguꢂaꢁiꢅꢆ aꢆd uꢄagꢃ iꢆꢄꢁꢂucꢁiꢅꢆꢄ muꢄꢁ bꢃ
fꢅuꢆd iꢆ ꢁhꢃ dꢅcumꢃꢆꢁaꢁiꢅꢆ ꢅf ꢁhꢃ ꢄꢃlꢃcꢁꢃd dꢂiꢀꢃꢂ, aꢆd
ꢁhꢃ ꢀaluꢃꢄ giꢀꢃꢆ iꢆ figuꢂꢃ 5 muꢄꢁ bꢃ ꢀaꢂiꢃd accꢅꢂdiꢆg
ꢁꢅ ꢁhꢃ ꢂꢃcꢅmmꢃꢆdaꢁiꢅꢆꢄ fꢅꢂ ꢁhꢃ dꢂiꢀꢃꢂ.
AC-Coupling
A ꢄigꢆal ꢁꢂaꢆꢄfꢅꢂmꢃꢂ ꢅꢂ ꢄꢃꢂiꢃꢄ capaciꢁꢅꢂꢄ caꢆ bꢃ uꢄꢃd
ꢁꢅ makꢃ aꢆ AC-cꢅuplꢃd iꢆpuꢁ ꢆꢃꢁwꢅꢂk. Figuꢂꢃ 6 ꢄhꢅwꢄ
a ꢂꢃcꢅmmꢃꢆdꢃd cꢅꢆfiguꢂaꢁiꢅꢆ uꢄiꢆg a ꢁꢂaꢆꢄfꢅꢂmꢃꢂ.
Makꢃ ꢄuꢂꢃ ꢁhaꢁ a ꢁꢂaꢆꢄfꢅꢂmꢃꢂ wiꢁh ꢄufficiꢃꢆꢁ liꢆꢃaꢂiꢁy iꢄ
ꢄꢃlꢃcꢁꢃd, aꢆd ꢁhaꢁ ꢁhꢃ baꢆdwidꢁh ꢅf ꢁhꢃ ꢁꢂaꢆꢄfꢅꢂmꢃꢂ iꢄ
appꢂꢅpꢂiaꢁꢃ. thꢃ baꢆdwidꢁh ꢄhꢅuld ꢃxcꢃꢃd ꢁhꢃ ꢄam-
pliꢆg ꢂaꢁꢃ ꢅf ꢁhꢃ ADC wiꢁh aꢁ lꢃaꢄꢁ a facꢁꢅꢂ ꢅf 10. Iꢁ iꢄ
alꢄꢅ impꢅꢂꢁaꢆꢁ ꢁꢅ miꢆimizꢃ phaꢄꢃ miꢄmaꢁch bꢃꢁwꢃꢃꢆ
ꢁhꢃ diffꢃꢂꢃꢆꢁial ADC iꢆpuꢁꢄ fꢅꢂ gꢅꢅd HD2 pꢃꢂfꢅꢂmaꢆcꢃ.
thiꢄ ꢁypꢃ ꢅf ꢁꢂaꢆꢄfꢅꢂmꢃꢂ cꢅuplꢃd iꢆpuꢁ iꢄ ꢁhꢃ pꢂꢃfꢃꢂꢂꢃd
cꢅꢆfiguꢂaꢁiꢅꢆ fꢅꢂ high fꢂꢃquꢃꢆcy ꢄigꢆalꢄ aꢄ mꢅꢄꢁ diffꢃꢂ-
ꢃꢆꢁial amplifiꢃꢂꢄ dꢅ ꢆꢅꢁ haꢀꢃ adꢃquaꢁꢃ pꢃꢂfꢅꢂmaꢆcꢃ aꢁ
high fꢂꢃquꢃꢆciꢃꢄ. If ꢁhꢃ iꢆpuꢁ ꢄigꢆal iꢄ ꢁꢂaꢀꢃliꢆg a lꢅꢆg
phyꢄical diꢄꢁaꢆcꢃ fꢂꢅm ꢁhꢃ ꢄigꢆal ꢄꢅuꢂcꢃ ꢁꢅ ꢁhꢃ ꢁꢂaꢆꢄ-
fꢅꢂmꢃꢂ (fꢅꢂ ꢃxamplꢃ a lꢅꢆg cablꢃ), kick-backꢄ fꢂꢅm ꢁhꢃ
ADC will alꢄꢅ ꢁꢂaꢀꢃl alꢅꢆg ꢁhiꢄ diꢄꢁaꢆcꢃ. If ꢁhꢃꢄꢃ kick-
backꢄ aꢂꢃ ꢆꢅꢁ ꢁꢃꢂmiꢆaꢁꢃd pꢂꢅpꢃꢂly aꢁ ꢁhꢃ ꢄꢅuꢂcꢃ ꢄidꢃ,
ꢁhꢃy aꢂꢃ ꢂꢃflꢃcꢁꢃd aꢆd will add ꢁꢅ ꢁhꢃ iꢆpuꢁ ꢄigꢆal aꢁ ꢁhꢃ
ADC iꢆpuꢁ. thiꢄ cꢅuld ꢂꢃducꢃ ꢁhꢃ ADC pꢃꢂfꢅꢂmaꢆcꢃ.
tꢅ aꢀꢅid ꢁhiꢄ ꢃffꢃcꢁ, ꢁhꢃ ꢄꢅuꢂcꢃ muꢄꢁ ꢃffꢃcꢁiꢀꢃly ꢁꢃꢂ-
miꢆaꢁꢃ ꢁhꢃ ADC kick-backꢄ, ꢅꢂ ꢁhꢃ ꢁꢂaꢀꢃliꢆg diꢄꢁaꢆcꢃ
ꢄhꢅuld bꢃ ꢀꢃꢂy ꢄhꢅꢂꢁ. If ꢁhiꢄ pꢂꢅblꢃm cꢅuld ꢆꢅꢁ bꢃ
aꢀꢅidꢃd, ꢁhꢃ ciꢂcuiꢁ iꢆ figuꢂꢃ 8 caꢆ bꢃ uꢄꢃd.
Figuꢂꢃ 4: Iꢆpuꢁ cꢅꢆfiguꢂaꢁiꢅꢆ
DC-Coupling
Figuꢂꢃ 5 ꢄhꢅwꢄ a ꢂꢃcꢅmmꢃꢆdꢃd cꢅꢆfiguꢂaꢁiꢅꢆ fꢅꢂ DC-
cꢅupliꢆg. nꢅꢁꢃ ꢁhaꢁ ꢁhꢃ cꢅmmꢅꢆ mꢅdꢃ iꢆpuꢁ ꢀꢅlꢁagꢃ
muꢄꢁ bꢃ cꢅꢆꢁꢂꢅllꢃd accꢅꢂdiꢆg ꢁꢅ ꢄpꢃcifiꢃd ꢀaluꢃꢄ. Pꢂꢃf-
ꢃꢂably, ꢁhꢃ CM_eXt ꢅuꢁpuꢁ ꢄhꢅuld bꢃ uꢄꢃd aꢄ ꢂꢃfꢃꢂ-
ꢃꢆcꢃ ꢁꢅ ꢄꢃꢁ ꢁhꢃ cꢅmmꢅꢆ mꢅdꢃ ꢀꢅlꢁagꢃ.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 9
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
Figuꢂꢃ 8: Alꢁꢃꢂꢆaꢁiꢀꢃ iꢆpuꢁ ꢆꢃꢁwꢅꢂk
Clock Input and Jitter Considerations
Figuꢂꢃ 6: tꢂaꢆꢄfꢅꢂmꢃꢂ cꢅuplꢃd iꢆpuꢁ
typically high-ꢄpꢃꢃd ADCꢄ uꢄꢃ bꢅꢁh clꢅck ꢃdgꢃꢄ ꢁꢅ
Figuꢂꢃ 7 ꢄhꢅwꢄ AC-cꢅupliꢆg uꢄiꢆg capaciꢁꢅꢂꢄ. rꢃꢄiꢄ-
ꢁꢅꢂꢄ fꢂꢅm ꢁhꢃ CM_eXt ꢅuꢁpuꢁ, rCM, ꢄhꢅuld bꢃ uꢄꢃd
ꢁꢅ biaꢄ ꢁhꢃ diffꢃꢂꢃꢆꢁial iꢆpuꢁ ꢄigꢆalꢄ ꢁꢅ ꢁhꢃ cꢅꢂꢂꢃcꢁ ꢀꢅlꢁ-
agꢃ. thꢃ ꢄꢃꢂiꢃꢄ capaciꢁꢅꢂ, CI, fꢅꢂm ꢁhꢃ high-paꢄꢄ pꢅlꢃ
wiꢁh ꢁhꢃꢄꢃ ꢂꢃꢄiꢄꢁꢅꢂꢄ, aꢆd ꢁhꢃ ꢀaluꢃꢄ muꢄꢁ ꢁhꢃꢂꢃfꢅꢂꢃ bꢃ
dꢃꢁꢃꢂmiꢆꢃd baꢄꢃd ꢅꢆ ꢁhꢃ ꢂꢃquiꢂꢃmꢃꢆꢁ ꢁꢅ ꢁhꢃ high-paꢄꢄ
cuꢁ-ꢅff fꢂꢃquꢃꢆcy.
gꢃꢆꢃꢂaꢁꢃ iꢆꢁꢃꢂꢆal ꢁimiꢆg ꢄigꢆalꢄ. Iꢆ ꢁhꢃ HMCAD1041-
40 ꢅꢆly ꢁhꢃ ꢂiꢄiꢆg ꢃdgꢃ ꢅf ꢁhꢃ clꢅck iꢄ uꢄꢃd. Hꢃꢆcꢃ,
iꢆpuꢁ clꢅck duꢁy cyclꢃꢄ bꢃꢁwꢃꢃꢆ 20% aꢆd 80% aꢂꢃ
accꢃpꢁablꢃ.
0
thꢃ iꢆpuꢁ clꢅck caꢆ bꢃ ꢄuppliꢃd iꢆ a ꢀaꢂiꢃꢁy ꢅf fꢅꢂmaꢁꢄ.
thꢃ clꢅck piꢆꢄ aꢂꢃ AC-cꢅuplꢃd iꢆꢁꢃꢂꢆally. Hꢃꢆcꢃ a
widꢃ cꢅmmꢅꢆ mꢅdꢃ ꢀꢅlꢁagꢃ ꢂaꢆgꢃ iꢄ accꢃpꢁꢃd. Diffꢃꢂ-
ꢃꢆꢁial clꢅck ꢄꢅuꢂcꢃꢄ aꢄ LvDs, LvPeCL ꢅꢂ diffꢃꢂꢃꢆꢁial
ꢄiꢆꢃ waꢀꢃ caꢆ bꢃ cꢅꢆꢆꢃcꢁꢃd diꢂꢃcꢁly ꢁꢅ ꢁhꢃ iꢆpuꢁ piꢆꢄ.
Fꢅꢂ CMos iꢆpuꢁꢄ, ꢁhꢃ CKn piꢆ ꢄhꢅuld bꢃ cꢅꢆꢆꢃcꢁꢃd
ꢁꢅ gꢂꢅuꢆd, aꢆd ꢁhꢃ CMos clꢅck ꢄigꢆal ꢄhꢅuld bꢃ cꢅꢆ-
ꢆꢃcꢁꢃd ꢁꢅ CKP. Fꢅꢂ diffꢃꢂꢃꢆꢁial ꢄiꢆꢃ waꢀꢃ clꢅck, ꢁhꢃ
iꢆpuꢁ ampliꢁudꢃ muꢄꢁ bꢃ aꢁ lꢃaꢄꢁ 800 mvpp.
thꢃ qualiꢁy ꢅf ꢁhꢃ iꢆpuꢁ clꢅck iꢄ ꢃxꢁꢂꢃmꢃly impꢅꢂꢁaꢆꢁ
fꢅꢂ high-ꢄpꢃꢃd, high-ꢂꢃꢄꢅluꢁiꢅꢆ ADCꢄ. thꢃ cꢅꢆꢁꢂibu-
ꢁiꢅꢆ ꢁꢅ snr fꢂꢅm clꢅck jiꢁꢁꢃꢂ wiꢁh a full ꢄcalꢃ ꢄigꢆal aꢁ a
giꢀꢃꢆ fꢂꢃquꢃꢆcy iꢄ ꢄhꢅwꢆ iꢆ ꢃquaꢁiꢅꢆ 1,
Figuꢂꢃ 7: AC cꢅuplꢃd iꢆpuꢁ
SNRjitter = 20 · lꢅg (2 · π · ƒ · єt)
(1)
IN
nꢅꢁꢃ ꢁhaꢁ ꢄꢁaꢂꢁup ꢁimꢃ fꢂꢅm slꢃꢃp Mꢅdꢃ aꢆd Pꢅwꢃꢂ
Dꢅwꢆ Mꢅdꢃ will bꢃ affꢃcꢁꢃd by ꢁhiꢄ filꢁꢃꢂ aꢄ ꢁhꢃ ꢁimꢃ
ꢂꢃquiꢂꢃd ꢁꢅ chaꢂgꢃ ꢁhꢃ ꢄꢃꢂiꢃꢄ capaciꢁꢅꢂꢄ iꢄ dꢃpꢃꢆdꢃꢆꢁ
ꢅꢆ ꢁhꢃ filꢁꢃꢂ cuꢁ-ꢅff fꢂꢃquꢃꢆcy.
whꢃꢂꢃ fIn iꢄ ꢁhꢃ ꢄigꢆal fꢂꢃquꢃꢆcy, aꢆd εꢁ iꢄ ꢁhꢃ ꢁꢅꢁal
ꢂmꢄ jiꢁꢁꢃꢂ mꢃaꢄuꢂꢃd iꢆ ꢄꢃcꢅꢆdꢄ. thꢃ ꢂmꢄ jiꢁꢁꢃꢂ iꢄ ꢁhꢃ
ꢁꢅꢁal ꢅf all jiꢁꢁꢃꢂ ꢄꢅuꢂcꢃꢄ iꢆcludiꢆg ꢁhꢃ clꢅck gꢃꢆꢃꢂaꢁiꢅꢆ
ciꢂcuiꢁꢂy, clꢅck diꢄꢁꢂibuꢁiꢅꢆ aꢆd iꢆꢁꢃꢂꢆal ADC ciꢂcuiꢁꢂy.
If ꢁhꢃ iꢆpuꢁ ꢄigꢆal haꢄ a lꢅꢆg ꢁꢂaꢀꢃliꢆg diꢄꢁaꢆcꢃ, aꢆd ꢁhꢃ
kick-backꢄ fꢂꢅm ꢁhꢃ ADC ꢆꢅꢁ aꢂꢃ ꢃffꢃcꢁiꢀꢃly ꢁꢃꢂmiꢆaꢁꢃd
aꢁ ꢁhꢃ ꢄigꢆal ꢄꢅuꢂcꢃ, ꢁhꢃ iꢆpuꢁ ꢆꢃꢁwꢅꢂk ꢅf figuꢂꢃ 8 caꢆ
bꢃ uꢄꢃd. thꢃ cꢅꢆfiguꢂaꢁiꢅꢆ iꢆ figuꢂꢃ 8 iꢄ dꢃꢄigꢆꢃd ꢁꢅ
aꢁꢁꢃꢆuaꢁꢃ ꢁhꢃ kickback fꢂꢅm ꢁhꢃ ADC aꢆd ꢁꢅ pꢂꢅꢀidꢃ
aꢆ iꢆpuꢁ impꢃdaꢆcꢃ ꢁhaꢁ lꢅꢅkꢄ aꢄ ꢂꢃꢄiꢄꢁiꢀꢃ aꢄ pꢅꢄꢄiblꢃ
fꢅꢂ fꢂꢃquꢃꢆciꢃꢄ bꢃlꢅw nyquiꢄꢁ. valuꢃꢄ ꢅf ꢁhꢃ ꢄꢃꢂiꢃꢄ
iꢆducꢁꢅꢂ will hꢅwꢃꢀꢃꢂ dꢃpꢃꢆd ꢅꢆ bꢅaꢂd dꢃꢄigꢆ aꢆd
cꢅꢆꢀꢃꢂꢄiꢅꢆ ꢂaꢁꢃ. Iꢆ ꢄꢅmꢃ iꢆꢄꢁaꢆcꢃꢄ a ꢄhuꢆꢁ capaci-
ꢁꢅꢂ iꢆ paꢂallꢃl wiꢁh ꢁhꢃ ꢁꢃꢂmiꢆaꢁiꢅꢆ ꢂꢃꢄiꢄꢁꢅꢂ (ꢃ.g. 33pF)
may impꢂꢅꢀꢃ ADC pꢃꢂfꢅꢂmaꢆcꢃ fuꢂꢁhꢃꢂ. thiꢄ capaciꢁꢅꢂ
aꢁꢁꢃꢆuaꢁꢃ ꢁhꢃ ADC kick-back ꢃꢀꢃꢆ mꢅꢂꢃ, aꢆd miꢆimizꢃ
ꢁhꢃ kickꢄ ꢁꢂaꢀꢃliꢆg ꢁꢅwaꢂdꢄ ꢁhꢃ ꢄꢅuꢂcꢃ. Hꢅwꢃꢀꢃꢂ, ꢁhꢃ
impꢃdaꢆcꢃ maꢁch ꢄꢃꢃꢆ iꢆꢁꢅ ꢁhꢃ ꢁꢂaꢆꢄfꢅꢂmꢃꢂ bꢃcꢅmꢃꢄ
wꢅꢂꢄꢃ.
Fꢅꢂ applicaꢁiꢅꢆꢄ whꢃꢂꢃ jiꢁꢁꢃꢂ may limiꢁ ꢁhꢃ ꢅbꢁaiꢆablꢃ
pꢃꢂfꢅꢂmaꢆcꢃ, iꢁ iꢄ ꢅf uꢁmꢅꢄꢁ impꢅꢂꢁaꢆcꢃ ꢁꢅ limiꢁ ꢁhꢃ
clꢅck jiꢁꢁꢃꢂ. thiꢄ caꢆ bꢃ ꢅbꢁaiꢆꢃd by uꢄiꢆg pꢂꢃciꢄꢃ aꢆd
ꢄꢁablꢃ clꢅck ꢂꢃfꢃꢂꢃꢆcꢃꢄ (ꢃ.g. cꢂyꢄꢁal ꢅꢄcillaꢁꢅꢂꢄ wiꢁh
gꢅꢅd jiꢁꢁꢃꢂ ꢄpꢃcificaꢁiꢅꢆꢄ) aꢆd makꢃ ꢄuꢂꢃ ꢁhꢃ clꢅck diꢄ-
ꢁꢂibuꢁiꢅꢆ iꢄ wꢃll cꢅꢆꢁꢂꢅllꢃd. Iꢁ mighꢁ bꢃ adꢀaꢆꢁagꢃꢅuꢄ
ꢁꢅ uꢄꢃ aꢆalꢅg pꢅwꢃꢂ aꢆd gꢂꢅuꢆd plaꢆꢃꢄ ꢁꢅ ꢃꢆꢄuꢂꢃ
lꢅw ꢆꢅiꢄꢃ ꢅꢆ ꢁhꢃ ꢄuppliꢃꢄ ꢁꢅ all ciꢂcuiꢁꢂy iꢆ ꢁhꢃ clꢅck
diꢄꢁꢂibuꢁiꢅꢆ. Iꢁ iꢄ ꢅf uꢁmꢅꢄꢁ impꢅꢂꢁaꢆcꢃ ꢁꢅ aꢀꢅid cꢂꢅꢄꢄ-
ꢁalk bꢃꢁwꢃꢃꢆ ꢁhꢃ ADC ꢅuꢁpuꢁ biꢁꢄ aꢆd ꢁhꢃ clꢅck aꢆd
bꢃꢁwꢃꢃꢆ ꢁhꢃ aꢆalꢅg iꢆpuꢁ ꢄigꢆal aꢆd ꢁhꢃ clꢅck ꢄiꢆcꢃ
ꢄuch cꢂꢅꢄꢄꢁalk ꢅfꢁꢃꢆ ꢂꢃꢄulꢁꢄ iꢆ haꢂmꢅꢆic diꢄꢁꢅꢂꢁiꢅꢆ.
thꢃ jiꢁꢁꢃꢂ pꢃꢂfꢅꢂmaꢆcꢃ iꢄ impꢂꢅꢀꢃd wiꢁh ꢂꢃducꢃd ꢂiꢄꢃ
aꢆd fall ꢁimꢃꢄ ꢅf ꢁhꢃ iꢆpuꢁ clꢅck. Hꢃꢆcꢃ, ꢅpꢁimum jiꢁꢁꢃꢂ
pꢃꢂfꢅꢂmaꢆcꢃ iꢄ ꢅbꢁaiꢆꢃd wiꢁh LvDs ꢅꢂ LvPeCL clꢅck
wiꢁh faꢄꢁ ꢃdgꢃꢄ. CMos aꢆd ꢄiꢆꢃ waꢀꢃ clꢅck iꢆpuꢁꢄ will
ꢂꢃꢄulꢁ iꢆ ꢄlighꢁly dꢃgꢂadꢃd jiꢁꢁꢃꢂ pꢃꢂfꢅꢂmaꢆcꢃ.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 10
HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
If ꢁhꢃ clꢅck iꢄ gꢃꢆꢃꢂaꢁꢃd by ꢅꢁhꢃꢂ ciꢂcuiꢁꢂy, iꢁ ꢄhꢅuld
bꢃ ꢂꢃ-ꢁimꢃd wiꢁh a lꢅw jiꢁꢁꢃꢂ maꢄꢁꢃꢂ clꢅck aꢄ ꢁhꢃ laꢄꢁ
ꢅpꢃꢂaꢁiꢅꢆ bꢃfꢅꢂꢃ iꢁ iꢄ appliꢃd ꢁꢅ ꢁhꢃ ADC clꢅck iꢆpuꢁ.
thꢃ HMCAD1041-40 ꢃmplꢅyꢄ digiꢁal ꢅffꢄꢃꢁ cꢅꢂꢂꢃc-
ꢁiꢅꢆ. thiꢄ mꢃaꢆꢄ ꢁhaꢁ ꢁhꢃ ꢅuꢁpuꢁ cꢅdꢃ will bꢃ 4096 wiꢁh
ꢄhꢅꢂꢁꢃd iꢆpuꢁꢄ. Hꢅwꢃꢀꢃꢂ, ꢄmall miꢄmaꢁchꢃꢄ iꢆ paꢂa-
ꢄiꢁicꢄ aꢁ ꢁhꢃ iꢆpuꢁ caꢆ cauꢄꢃ ꢁhiꢄ ꢁꢅ alꢁꢃꢂ ꢄlighꢁly. thꢃ
ꢅffꢄꢃꢁ cꢅꢂꢂꢃcꢁiꢅꢆ alꢄꢅ ꢂꢃꢄulꢁꢄ iꢆ pꢅꢄꢄiblꢃ lꢅꢄꢄ ꢅf cꢅdꢃꢄ
aꢁ ꢁhꢃ ꢃdgꢃꢄ ꢅf ꢁhꢃ full ꢄcalꢃ ꢂaꢆgꢃ. Wiꢁh ꢆꢅ ꢅffꢄꢃꢁ
cꢅꢂꢂꢃcꢁiꢅꢆ, ꢁhꢃ ADC wꢅuld clip iꢆ ꢅꢆꢃ ꢃꢆd bꢃfꢅꢂꢃ ꢁhꢃ
ꢅꢁhꢃꢂ, iꢆ pꢂacꢁicꢃ ꢂꢃꢄulꢁiꢆg iꢆ cꢅdꢃ lꢅꢄꢄ aꢁ ꢁhꢃ ꢅppꢅ-
ꢄiꢁꢃ ꢃꢆd. Wiꢁh ꢁhꢃ ꢅuꢁpuꢁ bꢃiꢆg cꢃꢆꢁꢃꢂꢃd digiꢁally, ꢁhꢃ
ꢅuꢁpuꢁ will clip, aꢆd ꢁhꢃ ꢅuꢁ ꢅf ꢂaꢆgꢃ flagꢄ will bꢃ ꢄꢃꢁ,
bꢃfꢅꢂꢃ max cꢅdꢃ iꢄ ꢂꢃachꢃd. Whꢃꢆ ꢅuꢁ ꢅf ꢂaꢆgꢃ flagꢄ
aꢂꢃ ꢄꢃꢁ, ꢁhꢃ cꢅdꢃ iꢄ fꢅꢂcꢃd ꢁꢅ all ꢅꢆꢃꢄ fꢅꢂ ꢅꢀꢃꢂꢂaꢆgꢃ
aꢆd all zꢃꢂꢅꢄ fꢅꢂ uꢆdꢃꢂꢂaꢆgꢃ.
Digital Outputs
Digiꢁal ꢅuꢁpuꢁ daꢁa aꢂꢃ pꢂꢃꢄꢃꢆꢁꢃd ꢅꢆ paꢂallꢃl CMos
fꢅꢂm. thꢃ ꢀꢅlꢁagꢃ ꢅꢆ ꢁhꢃ ovDD piꢆ ꢄꢃꢁ ꢁhꢃ lꢃꢀꢃlꢄ ꢅf ꢁhꢃ
CMos ꢅuꢁpuꢁꢄ. thꢃ ꢅuꢁpuꢁ dꢂiꢀꢃꢂꢄ aꢂꢃ dimꢃꢆꢄiꢅꢆꢃd ꢁꢅ
dꢂiꢀꢃ a widꢃ ꢂaꢆgꢃ ꢅf lꢅadꢄ fꢅꢂ ovDD abꢅꢀꢃ 2.25v,
buꢁ iꢁ iꢄ ꢂꢃcꢅmmꢃꢆdꢃd ꢁꢅ miꢆimizꢃ ꢁhꢃ lꢅad ꢁꢅ ꢃꢆꢄuꢂꢃ
aꢄ lꢅw ꢁꢂaꢆꢄiꢃꢆꢁ ꢄwiꢁchiꢆg cuꢂꢂꢃꢆꢁꢄ aꢆd ꢂꢃꢄulꢁiꢆg ꢆꢅiꢄꢃ
aꢄ pꢅꢄꢄiblꢃ. Iꢆ applicaꢁiꢅꢆꢄ wiꢁh a laꢂgꢃ faꢆꢅuꢁ ꢅꢂ laꢂgꢃ
capaciꢁiꢀꢃ lꢅadꢄ, iꢁ iꢄ ꢂꢃcꢅmmꢃꢆdꢃd ꢁꢅ add ꢃxꢁꢃꢂꢆal
buffꢃꢂꢄ lꢅcaꢁꢃd clꢅꢄꢃ ꢁꢅ ꢁhꢃ ADC chip.
Data Format Selection
thꢃ ꢁimiꢆg iꢄ dꢃꢄcꢂibꢃd iꢆ ꢁhꢃ timiꢆg Diagꢂam ꢄꢃcꢁiꢅꢆ.
nꢅꢁꢃ ꢁhaꢁ ꢁhꢃ lꢅad ꢅꢂ ꢃquiꢀalꢃꢆꢁ dꢃlay ꢅꢆ CK_eXt
alwayꢄ ꢄhꢅuld bꢃ lꢅwꢃꢂ ꢁhaꢆ ꢁhꢃ lꢅad ꢅꢆ daꢁa ꢅuꢁpuꢁꢄ
ꢁꢅ ꢃꢆꢄuꢂꢃ ꢄufficiꢃꢆꢁ ꢁimiꢆg maꢂgiꢆꢄ.
thꢃ ꢅuꢁpuꢁ daꢁa aꢂꢃ pꢂꢃꢄꢃꢆꢁꢃd ꢅꢆ ꢅffꢄꢃꢁ biꢆaꢂy fꢅꢂm
whꢃꢆ DFrMt iꢄ lꢅw (cꢅꢆꢆꢃcꢁ ꢁꢅ ovss). sꢃꢁꢁiꢆg
DFrMt high (cꢅꢆꢆꢃcꢁ ꢁꢅ ovDD) ꢂꢃꢄulꢁꢄ iꢆ 2’ꢄ cꢅmplꢃ-
mꢃꢆꢁ ꢅuꢁpuꢁ fꢅꢂmaꢁ. Dꢃꢁailꢄ aꢂꢃ ꢄhꢅwꢆ iꢆ ꢁablꢃ 3.
0
thꢃ digiꢁal ꢅuꢁpuꢁꢄ caꢆ bꢃ ꢄꢃꢁ iꢆ ꢁꢂiꢄꢁaꢁꢃ mꢅdꢃ by ꢄꢃꢁ-
ꢁiꢆg ꢁhꢃ oe_n ꢄigꢆal high.
tabꢄꢇ 3: Daꢁa Fꢃꢆmaꢁ Dꢇscꢆꢂpꢁꢂꢃꢀ fꢃꢆ 2vpp Fuꢄꢄ Scaꢄꢇ raꢀꢅꢇ
Output Data: D_9 : D_0
Output Data: D_9 : D_0
(DFrMt = 1, 2’ꢄ Cꢅmplꢃmꢃꢆꢁ)
Differential Input Voltage (IP - IN)
(DFrMt = 0, offꢄꢃꢁ Biꢆaꢂy)
1.0 v
+0.24mv
-0.24mv
-1.0v
11 1111 1111
10 0000 0000
01 1111 1111
00 0000 0000
01 1111 1111
00 0000 0000
11 1111 1111
10 0000 0000
Reference Voltages
a ꢄhꢅꢂꢁ ꢄꢁaꢂꢁup ꢁimꢃ. Hꢅwꢃꢀꢃꢂ, slꢃꢃp Mꢅdꢃ ꢂꢃpꢂꢃꢄꢃꢆꢁꢄ
a ꢄigꢆificaꢆꢁ ꢂꢃducꢁiꢅꢆ iꢆ ꢄupply cuꢂꢂꢃꢆꢁ, aꢆd iꢁ caꢆ bꢃ
uꢄꢃd ꢁꢅ ꢄaꢀꢃ pꢅwꢃꢂ ꢃꢀꢃꢆ fꢅꢂ ꢄhꢅꢂꢁ idlꢃ pꢃꢂiꢅdꢄ.
thꢃ ꢂꢃfꢃꢂꢃꢆcꢃ ꢀꢅlꢁagꢃꢄ aꢂꢃ iꢆꢁꢃꢂꢆally gꢃꢆꢃꢂaꢁꢃd aꢆd
buffꢃꢂꢃd baꢄꢃd ꢅꢆ a baꢆdgap ꢀꢅlꢁagꢃ ꢂꢃfꢃꢂꢃꢆcꢃ. nꢅ
ꢃxꢁꢃꢂꢆal dꢃcꢅupliꢆg iꢄ ꢆꢃcꢃꢄꢄaꢂy, aꢆd ꢁhꢃ ꢂꢃfꢃꢂꢃꢆcꢃ
ꢀꢅlꢁagꢃꢄ aꢂꢃ ꢆꢅꢁ aꢀailablꢃ ꢃxꢁꢃꢂꢆally. thiꢄ ꢄimplifiꢃꢄ
uꢄagꢃ ꢅf ꢁhꢃ ADC ꢄiꢆcꢃ ꢁwꢅ ꢃxꢁꢂꢃmꢃly ꢄꢃꢆꢄiꢁiꢀꢃ piꢆꢄ,
ꢅꢁhꢃꢂwiꢄꢃ ꢆꢃꢃdꢃd, aꢂꢃ ꢂꢃmꢅꢀꢃd fꢂꢅm ꢁhꢃ iꢆꢁꢃꢂfacꢃ.
thꢃ iꢆpuꢁ clꢅck ꢄhꢅuld bꢃ kꢃpꢁ ꢂuꢆꢆiꢆg iꢆ all idlꢃ
mꢅdꢃꢄ. Hꢅwꢃꢀꢃꢂ, ꢃꢀꢃꢆ lꢅwꢃꢂ pꢅwꢃꢂ diꢄꢄipaꢁiꢅꢆ iꢄ pꢅꢄ-
ꢄiblꢃ iꢆ Pꢅwꢃꢂ Dꢅwꢆ mꢅdꢃ if ꢁhꢃ iꢆpuꢁ clꢅck iꢄ ꢄꢁꢅppꢃd.
Iꢆ ꢁhiꢄ caꢄꢃ iꢁ iꢄ impꢅꢂꢁaꢆꢁ ꢁꢅ ꢄꢁaꢂꢁ ꢁhꢃ iꢆpuꢁ clꢅck pꢂiꢅꢂ
ꢁꢅ ꢃꢆabliꢆg acꢁiꢀꢃ mꢅdꢃ.
Operational Modes
Startup Initialization
thꢃ ꢅpꢃꢂaꢁiꢅꢆal mꢅdꢃꢄ aꢂꢃ cꢅꢆꢁꢂꢅllꢃd wiꢁh ꢁhꢃ PD_n
aꢆd sLP_n piꢆꢄ. If PD_n iꢄ ꢄꢃꢁ lꢅw, all ꢅꢁhꢃꢂ cꢅꢆꢁꢂꢅl
piꢆꢄ aꢂꢃ ꢅꢀꢃꢂꢂiddꢃꢆ aꢆd ꢁhꢃ chip iꢄ ꢄꢃꢁ iꢆ Pꢅwꢃꢂ Dꢅwꢆ
mꢅdꢃ. Iꢆ ꢁhiꢄ mꢅdꢃ all ciꢂcuiꢁꢂy iꢄ cꢅmplꢃꢁꢃly ꢁuꢂꢆꢃd ꢅff
aꢆd ꢁhꢃ iꢆꢁꢃꢂꢆal clꢅck iꢄ diꢄablꢃd. Hꢃꢆcꢃ, ꢅꢆly lꢃak-
agꢃ cuꢂꢂꢃꢆꢁ cꢅꢆꢁꢂibuꢁꢃꢄ ꢁꢅ ꢁhꢃ Pꢅwꢃꢂ Dꢅwꢆ Diꢄꢄipa-
ꢁiꢅꢆ. thꢃ ꢄꢁaꢂꢁup ꢁimꢃ fꢂꢅm ꢁhiꢄ mꢅdꢃ iꢄ lꢅꢆgꢃꢂ ꢁhaꢆ
fꢅꢂ slꢃꢃp Mꢅdꢃ aꢄ all ꢂꢃfꢃꢂꢃꢆcꢃꢄ ꢆꢃꢃd ꢁꢅ ꢄꢃꢁꢁlꢃ ꢁꢅ ꢁhꢃiꢂ
fiꢆal ꢀaluꢃꢄ bꢃfꢅꢂꢃ ꢆꢅꢂmal ꢅpꢃꢂaꢁiꢅꢆ caꢆ ꢂꢃꢄumꢃ.
thꢃ HMCAD1041-40 muꢄꢁ bꢃ ꢂꢃꢄꢃꢁ pꢂiꢅꢂ ꢁꢅ ꢆꢅꢂmal
ꢅpꢃꢂaꢁiꢅꢆ. thiꢄ iꢄ ꢂꢃquiꢂꢃd ꢃꢀꢃꢂy ꢁimꢃ ꢁhꢃ pꢅwꢃꢂ
ꢄupply ꢀꢅlꢁagꢃ haꢄ bꢃꢃꢆ ꢄwiꢁchꢃd ꢅff. A ꢂꢃꢄꢃꢁ iꢄ pꢃꢂ-
fꢅꢂmꢃd by applyiꢆg Pꢅwꢃꢂ Dꢅwꢆ mꢅdꢃ. Waiꢁ uꢆꢁil a
ꢄꢁablꢃ ꢄupply ꢀꢅlꢁagꢃ haꢄ bꢃꢃꢆ ꢂꢃachꢃd, aꢆd pull ꢁhꢃ
PD_n piꢆ fꢅꢂ ꢁhꢃ duꢂaꢁiꢅꢆ ꢅf aꢁ lꢃaꢄꢁ ꢅꢆꢃ clꢅck cyclꢃ.
thꢃ iꢆpuꢁ clꢅck muꢄꢁ bꢃ ꢂuꢆꢆiꢆg cꢅꢆꢁiꢆuꢅuꢄly duꢂiꢆg
ꢁhiꢄ Pꢅwꢃꢂ Dꢅwꢆ pꢃꢂiꢅd aꢆd uꢆꢁil acꢁiꢀꢃ ꢅpꢃꢂaꢁiꢅꢆ
iꢄ ꢂꢃachꢃd. Alꢁꢃꢂꢆaꢁiꢀꢃly ꢁhꢃ PD piꢆ caꢆ bꢃ kꢃpꢁ lꢅw
duꢂiꢆg pꢅwꢃꢂ-up, aꢆd ꢁhꢃꢆ bꢃ ꢄꢃꢁ high whꢃꢆ ꢁhꢃ pꢅwꢃꢂ
ꢄupply ꢀꢅlꢁagꢃ iꢄ ꢄꢁablꢃ.
thꢃ sLP_n ꢄigꢆal caꢆ bꢃ uꢄꢃd ꢁꢅ ꢄꢃꢁ ꢁhꢃ full chip iꢆ
slꢃꢃp Mꢅdꢃ. Iꢆ ꢁhiꢄ mꢅdꢃ iꢆꢁꢃꢂꢆal clꢅckiꢆg iꢄ diꢄablꢃd,
buꢁ ꢄꢅmꢃ lꢅw baꢆdwidꢁh ciꢂcuiꢁꢂy iꢄ kꢃpꢁ ꢅꢆ ꢁꢅ allꢅw fꢅꢂ
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
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HMCAD1041-40
ꢀ01.0411
Single 10-Bit 20/40 MSPS A/D Converter
ouꢁꢄꢂꢀꢇ Dꢆawꢂꢀꢅ
0
tabꢄꢇ 4: 6x6 mm QFn (40 Pꢂꢀ lP6H) Dꢂmꢇꢀsꢂꢃꢀs
Millimeter
Inch
Typ
Symbol
Min
Typ
Max
0.9
Min
Max
0.035
0.002
0.028
A
A1
A2
A3
b
0
0.01
0.65
0.05
0.7
0
0.000
0.026
0.2 reF
0.25
0.008 reF
0.01
0.2
0.32
0.008
0.013
D
6.00 bꢄc
5.75 bꢄc
4.1
0.236 bꢄc
0.226 bꢄc
0.162
D1
D2
L
3.95
0.3
4.25
0.5
0.156
0.012
0.167
0.02
0.4
0.016
ꢃ
0.50 bꢄc
0.020 bꢄc
Θ1
F
0°
0.2
12°
0.6
0°
12°
0.008
0.010
G
0.24
0.42
0.017
0.024
Packaꢅꢇ iꢀfꢃꢆmaꢁꢂꢃꢀ
Part Number
Package Body Material
Lead Finish
MSL [1]
Package Marking [2]
AsD0401
XXXX
HMCAD1041-40
rꢅHs-cꢅmpliaꢆꢁ Lꢅw sꢁꢂꢃꢄꢄ Iꢆjꢃcꢁiꢅꢆ Mꢅldꢃd Plaꢄꢁic
100% maꢁꢁꢃ sꢆ
Lꢃꢀꢃl 2A
XXXX
[1] MsL, Pꢃak tꢃmp: thꢃ mꢅiꢄꢁuꢂꢃ ꢄꢃꢆꢄiꢁiꢀiꢁy lꢃꢀꢃl ꢂaꢁiꢆg claꢄꢄifiꢃd accꢅꢂdiꢆg ꢁꢅ ꢁhꢃ JeDeC iꢆduꢄꢁꢂy ꢄꢁaꢆdaꢂd aꢆd ꢁꢅ pꢃak ꢄꢅldꢃꢂ ꢁꢃmpꢃꢂaꢁuꢂꢃ.
[2] Pꢂꢅpꢂiꢃꢁaꢂy maꢂkiꢆg XXXX, 4-Digiꢁ lꢅꢁ ꢆumbꢃꢂ XXXX
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
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