MAX7129CPL ,4-1/2 Digit Single-Chip A/D Converter with LCD DriverELECTRICAL CHARACTERISTICS (MAX7129)
(V' to V" = 9V. VRE; :1.00V.TA = +25°C, tcus a 120kHz, unle ..
MAX7129CPL ,4-1/2 Digit Single-Chip A/D Converter with LCD Driverapplications involve the measurement ICL7129ACJL‘ (rc to +70%: 40 Lead CERDIP -
and display of ana ..
MAX7129CPL ,4-1/2 Digit Single-Chip A/D Converter with LCD Driverfeatures high impe-
dance differential inputs, excellent differential linearity,
true ratiometric ..
MAX7129CQH ,4-1/2 Digit Single-Chip A/D Converter with LCD DriverGeneral Description
The Maxim |CL7129A/MAX7129 is a high precision
monolithic 4-1/2 digit A/D c ..
MAX712CPE ,NiCd/NiMH Battery Fast-Charge ControllersGeneral Description ________
MAX712CSE ,NiCd/NiMH Battery Fast-Charge ControllersFeaturesThe MAX712/MAX713 fast charge Nickel Metal Hydride ' Fast Charge NiMH or NiCd Batteries(NiM ..
MB47358 ,DUAL OPERATIONAL AMPLIFIERFUJITSU SEMICONDUCTORDS04-11104-3EDATA SHEETLINEAR ICDUAL OPERATIONAL AMPLIFIERMB47358DUAL OPERATIO ..
MB47393 ,DUAL COMPARATORFUJITSU SEMICONDUCTORDS04-12103-4EDATA SHEETASSPDUAL COMPARATORMB47393n DESCRIPTIONThe Fujitsu MB47 ..
MB47393P ,Dual comparatorFUJITSU SEMICONDUCTORDS04-12103-4EDATA SHEETASSPDUAL COMPARATORMB47393n DESCRIPTIONThe Fujitsu MB47 ..
MB47393P ,Dual comparatorFUJITSU SEMICONDUCTORDS04-12103-4EDATA SHEETASSPDUAL COMPARATORMB47393n DESCRIPTIONThe Fujitsu MB47 ..
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MB4752A ,SUBSCRIBER LINE INTERFACE IC" mm;
gr T$544-A874
'j?itl,'l,lllill,ililill MB4752A April 1987
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MAX7129CPL-MAX7129CQH
41/2 Digit LCD/ Single-Chip A/D Converter
2AIALA] 1i'CfLAMl
4-1/2 Digit Single-Chip
A/D Converter with LCD Driver
- General Description
The Maxim lCL7129A/MAX7129 is a high precision
monolithic 4-1/2 digit A/D converter that directly drives
a multiplexed liquid crystal display. Using a novel
"successive integration" technique, the |CL7129A/
MAX7129 has a 1-20,000 count resolution on both
2.00000V and 200.00mV ranges. It features high impe-
dance differential inputs, excellent differential linearity,
true ratiometric operation and auto polarity. The only
external active component required to make precision
DVM/DPMs is a reference. The overrange and under-
range outputs and the 10:1 range changing input
facilitate the design of autoranging systems. The
|CL7129A/MAX7129 detects and flags a LOW BATTERY
condition and also checks for continuity, giving a
visual indication and a logic level output which can
be used to generate an audible signal.
The MAX7129 has a fullscale accuracy of O.0005%,
resolution of 10pV, zero reading drift of 0.5pV/°C.
an input bias of 10pA max, and a rollover error of
7— Features
' $19,999 Count Resolution
. 10pA Max Input Bias Current (MAX7129)
. 3pV peak to peak noise (ICL7129A)
. Onboard Multiplexed LCD Display Driver
4-1/2 Digits, 4 Decimal Points, 3 Annunciators
. Instant Continuity Detector
. Low Battery Detector and Indicator
. Overrange/Underrange Outputs
. Precise 10:1 Range Select
. IthN Resolution
. Significantly improved ESD protection
. Monolithic, Low Power CMOS Design
. Eliminates Need for Compensation Capacitor
- Ordering Information
less than 1 count. Maxim has reduced the noise of w M _'-'_AfP-ifE-,
the ICL7129A to WN-significantly lower than the MAX7129CPL 0 Cto +70 C 40 Lead Plastic DIP
MAX7129. MAX7129CJL (y'C to +70°c 7 lo Lead CERDIP -
Applications MAX7129COH 0°C to 40°C 35335:” ,
This device can be used for a wide range of precision k MAX7129C/D 0°C to r70'C Dide" fl
dlgital voltmeter, multymeter and panelmeter appli- tL7129ACPu 0°C to +70°c 40 Lead Plastic DIP
cations. Most applications involve the measurement |CL7129ACJL 00010 +7000 40 Lead CERDIP --.
and display of analog data: f T 7 - Will t -
. |CL7129ACO 0'C to +70°C Chi 0: ps IC
Pressure Weight - Ip amer
Voltage Current lCL7129AC/D 0°C to +70°C _ Dice
Resistance Speed
Temperature Material Thickness
Typical Operating Circuit 7 "TV - _ Pin Configuration
To View U -
LOW BATTERY communv p U5iCT l fdosce
t n n n Ct OsC32 3””
- n - - - ANNUNICATORORIVEE EDP:
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s-a-ts-iii-r/resin-dvi-rl-ir-Fi-N/tnm/r--- Ag.az,uzE INHI
F2, Ea, DP2 E 94 m LO
B c InNUS o M""""' m BUFF
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ICL7129AMAX7129 T LINES Fs " DP“ y am.
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l L‘gv 101w 100w 1.2V VmspE g LATCHrHOLD
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IN See last page for Plastic Chip Carrier Pm Configuration
lVI/J Xl/VI
Maxim integrated Products 1
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ICL7129A/MAX7129
4-1/2 Digit Single-Chip
A/D Converter with LCD Driver
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V' to V-) .......................... 15V
Reference Voltage (REF HI or REF LO) ......... V' to V’
Input Voltage (Note 1)
(IN HlorlN LO) '....._.._..rFrmq.r.Frr..r.. V'to V’
VDISP $..........T_.F.FFF.mF........ V‘ to DGND - 0.3V
Digital Input Pins
l, 2, 19, 20, 21, 22, 27,
37, 38,39, 40 ........................... DGND to V'
Analog Input Pins
25, 29, 30 .................................. V‘ to V'
Power Dissipation (Note 2)
CERDIP package .......................... 1000mW
Plastic package ............................ 800mW
Plastic Chip Carrier
(Quad) Package ............................ 700mW
Operating Temperature Range ............ 0°C to +70°C
Storage Temperature Range ........... -6N'C to +160°C
Lead Soldering Temperature (10 sec.) ........... 300°C
Stresses above those hated under 'Absolute Maximum Ratings" may cause permanent damage to the dewce. These are stress ratings only and
functional operation of the dewce at these orany other conditionsabove those indicared in the operational sections of me specrhcations rs nor implied
Exposure to absolute maxmum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS (MAX7129)
(V' to V' = 9V. VRE; --1.00V,TA = +25''C, fccs a 120kHz, unless otherwise noted.)
tmir-"
PARAMETER CONDITIONS MIN. TYP. MAX.
Zero Input Reading VIN = OV, 200mV Scale -0000 0000 '0000 Reading
Zero Reading Drift vm = OV, 0''C s. TA : +70°c 10.5 i 105077
Ratiometric Reading VIN = V125; -- 1000mV, RANGE G 2V 9998 9999 10000 Reading
Range Change Accuracy (it ', 318333;: :2 151(1); Zilii+ 0.9999 1.0000 1.0001 Ratio
Gover Error -)/IN = +v.N : 199mV 0.5 1.0 Counts
Linearity Error 200mV Scale 0.5 Counts
Input 'eyyln-hhtode VCM =1.0\L VIN = OV 110 dB
Rejection Ratio 200mV Scale
collatlgggoégnmgoen Mode 2c,t/sde (W) + 1,5 (V') - os V
Elowse (p-p Value n01 V.N = OV 70 PV
xceeded 95% of Time) 200mV Scale
Input Leakage Current VIN I 0V. IN HI 1 -ff pA
VIN = OV, IN LO 3 40 pA
Scale Factor Tempco gNte=mlrJ,,vdl-'' ngrIvié; 70°C 2 5 ppm/o C
COMMON Voltage V' to Pm 28 2.8 3.2 3.5 V
COMMON Sunk Curreat ACommon : +0.1V 0.1 50 A ’7' mA -
COMMON Source Current ACommon = -0.IV 1 9 15 PA
DGND Voltage v' to Pin 36 4.5 5.3 5 e v
DGNb Sink Clinem ADGND = H151/ 0.5 1.2 mA
Supply Voltage Range V’ to V‘ 6 9 14 V
ia'tgiIC',tdnxtcludir") 1.0 1.4 mA
Clock Frequency 120 - - . 360 --V-- To/z
Display Multiplex Rate 100 Hz
Vmsp Resistance Vase to V' 20 V ir" 7n00 KS! -
5.2033002; WV 53 " 77 V
EONTINUITY Comparator VOUT Pin 27 = HI 100 200 mV
Threshold Voltages Vour Pin 27 = LO 200 400 mV
Pull-Down 00}.er Pins 37, M, 39 0.25 2 10 PA
"Weak OuszTEerent Pin 20, 21 0.25 3/3 10 PA
Sink, Source Pin 27 Sink/Source J25 3/9 15 PA
Pin 22 Sou rue Current 1 40 100 “A
Pin 22 Smk Current 0.25 3 1O _»”p»AI -
2 IVl/J X I IVI
