MAXIM MAX1034, MAX1035 Technical data
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
AGND1
AGND2
AV
DD2
AGND3CH2
CH1
CH0
AV
DD1
TOP VIEW
REF
REFCAP
DV
DD
DV
DDO
CH6
CH5
CH4
CH3
16
15
14
13
9
10
11
12
DGND
DGNDO
DOUT
SCLKSSTRB
DIN
CS
CH7
TSSOP
MAX1034
查询MAX1032供应商
19-3574; Rev 0; 5/05
____________________________________概述
MAX1034/MAX1035多量程、低功耗、14位逐次逼近型模
数转换器 (ADC)，采用+5V单电源供电，转换速率高达
115ksps。独立的数字电源允许通过SPITM/QSPITM/MICROWIRE
TM
兼容的串行接口与2.7V至5.25V系统连接。局部关断模式
可将电源电流降至 1.3mA (典型值)。完全关断模式则可将
电源电流降至 1µA (典型值)。
MAX1034 提供8路 (单端) 或4路 (真差分) 模拟输入通道。
MAX1035 则具有4路 (单端) 或2路 (真差分) 模拟输入通
道。每个模拟输入通道都可通过软件独立编程设置为7种
单端输入范围 (0至+V
至0、±V
(±V
REF
REF
/2 、±V
/4、±V
REF
/2、-V
REF
/2和±V
REF
和±2 x V
REF
REF
REF
)。
/2至0、0至+V
REF
、-V
) 和3种差分输入范围
REF
片上+4.096V基准可实现小巧、便利的ADC解决方案。
MAX1034/MAX1035还可接受3.800V至4.136V之间的外部
基准。
MAX1034采用24引脚TSSOP封装，MAX1035采用 20 引脚
TSSOP封装。每款器件都可工作在-40°C至+85°C温度范
围内。
____________________________________应用
工业控制系统
数据采集系统
航空电子
机器人技术
8/4通道，±V
REF
多量程输入、
串行14位ADC
____________________________________特性
♦ 每个通道的输入范围可通过软件编程设置
♦ 单端输入范围
0至+V
-V
REF
/2、-V
REF
至0、±V
♦ 差分输入范围
±V
/2、±V
REF
♦ 8路单端或4路差分模拟输入 (MAX1034)
♦ 4路单端或2路差分模拟输入 (MAX1035)
♦ ±6V过压容限输入
♦ 内部或外部基准
♦ 115ksps最高采样速率
♦ +5V单电源供电
♦ 20/24引脚TSSOP封装
________________________________定购信息
PART TEMP RANGE
MAX1034EUG* -40°C to +85°C 24 TSSOP 8
MAX1035EUP -40°C to +85°C 20 TSSOP 4
*
未来产品——供货信息请与厂商联系。
________________________________引脚配置
REF
REF
REF
/4、±V
和±2 x V
/2至0、0至+V
/2和±V
REF
REF
PINPACKAGE
REF
REF
、
CHANNELS
MAX1034/MAX1035
SPI和 QSPI是Motorola, Inc.的商标。
MICROWIRE是 National Semiconductor Corp. 的商标。
本文是Maxim 正式英文资料的译文，Maxim不对翻译中存在的差异或由此产生的错误负责。请注意译文中可能存在文字组织或
翻译错误，如需确认任何词语的准确性，请参考 Maxim提供的英文版资料。
索取免费样品和最新版的数据资料，请访问Maxim的主页：www.maxim-ic.com.cn。
________________________________________________________________ Maxim Integrated Products 1
引脚配置 (续) 在数据资料的最后部分给出。
8/4通道，±V
REF
多量程输入、
串行14位ADC
ABSOLUTE MAXIMUM RATINGS
AV
to AGND1 ....................................................-0.3V to +6V
DD1
AV
to AGND2 ....................................................-0.3V to +6V
DD2
DVDDto DGND ........................................................-0.3V to +6V
DV
DVDDto DV
DVDD, DV
AV
DGND, DGNDO, AGND3, AGND2 to AGND1 ......-0.3V to +0.3V
CS, SCLK, DIN, DOUT, SSTRB to
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
MAX1034/MAX1035
(AV
clock mode, V
= 50pF, C
to DGNDO ..................................................-0.3V to +6V
DDO
, DVDD, DV
DD1
DGNDO ............................................-0.3V to (DV
= AV
DD1
DC ACCURACY (Notes 1, 2)
Resolution 14 Bits
Integral Nonlinearity INL ±0.25 ±1 LSB
Differential Nonlinearity DNL No missing codes ±1 LSB
Transition Noise External or internal reference
Offset Error
Channel-to-Channel Gain
Matching
Channel-to-Channel Offset Error
Matching
Offset Temperature Coefficient
Gain Error
Gain Temperature Coefficient
Unipolar Endpoint Overlap
......................................................-0.3V to +6V
DDO
to AV
DDO
= DVDD= DV
DD2
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
SSTRB
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
........................................-0.3V to +6V
DD1
DDO
to AV
..........................-0.3V to +6V
DD2
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
+ 0.3V)
DDO
Single-ended inputs
Differential inputs
(Note 3)
Unipolar or bipolar 0.025 %FSR
Unipolar or bipolar 1.0 mV
Unipolar 10
Bipolar 5
Unipolar ±0.5
Bipolar ±0.3
Unipolar 1.5
Bipolar 1.0
Negative unipolar full scale to positive
unipolar zero-scale
CH0–CH7 to AGND1 ...................................................-6V to +6V
REF, REFCAP to AGND1.......................-0.3V to (AV
Continuous Current (any pin) ...........................................±50mA
Continuous Power Dissipation (T
20-Pin TSSOP (derate 11mW/°C above +70°C) ..........879mW
24-Pin TSSOP (derate 12.2mW/°C above +70°C) .......976mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature .....................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
, maximum single-ended bipolar input range (±V
DD1
Unipolar 0 ±10
Bipolar -1.0 ±10
Unipolar 0 ±20
Bipolar -2 ±20
CLK
= +70°C)
A
= 3.5MHz (50% duty cycle), external
0.5
2
0 5 LSB
DD1
REF
), C
+ 0.3V)
DOUT
LSB
RMS
mV
ppm/°C
%FSR
ppm/°C
2 _______________________________________________________________________________________
8/4通道，±V
REF
多量程输入、
串行14位ADC
ELECTRICAL CHARACTERISTICS (continued)
(AV
= AV
DD1
clock mode, V
= 50pF, C
DYNAMIC SPECIFICATIONS f
Signal-to-Noise Plus Distortion SINAD
Signal-to-Noise Ratio SNR
Total Harmonic Distortion
(Up to the 5th Harmonic)
Spurious-Free Dynamic Range SFDR 92 99 dB
Aperture Delay t
Aperture Jitter t
Channel-to-Channel Isolation 105 dB
CONVERSION RATE
ANALOG INPUTS (CH0–CH3 MAX1035, CH0–CH7 MAX1034, AGND1)
Small-Signal Bandwidth All input ranges, VIN = 100mV
Full-Power Bandwidth All input ranges, VIN = 4V
Input Voltage Range (Table 6) V
True-Differential Analog
Common-Mode Voltage Range
Common-Mode Rejection Ratio CMRR DIF/SGL = 1, input voltage range = ±V
Input Current I
Input Capacitance C
Input Resistance R
= DVDD= DV
DD2
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
SSTRB
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
IN(SINE-WAVE)
SAMPLE
V
= 5kHz, VIN = FSR - 0.05dB, f
Differential inputs, FSR = 2 x V
Single-ended inputs, FSR = V
Single-ended inputs, FSR = V
Single-ended inputs, FSR = V
Differential inputs, FSR = 2 x V
Single-ended inputs, FSR = V
Single-ended inputs, FSR = V
Single-ended inputs, FSR = V
THD -98 dB
AD
AJ
CH_
CMDR
CH_
CH_
CH_
Figure 21 15 ns
Figure 21 100 ps
External clock mode, Figure 2 114
External acquisition mode, Figure 3 84Byte-Wide Throughput Rate f
Internal clock mode, Figure 4 106
R[2:1] = 001 -V
R[2:1] = 010 -V
R[2:1] = 011 0 +V
R[2:1] = 100 -V
R[2:1] = 101 -V
R[2:1] = 110 0 +V
R[2:1] = 111 -V
DIF/SGL = 1 -4.75 +5.50 V
-V
< V
CH_
< +V
REF
, maximum single-ended bipolar input range (±V
DD1
SAMPLE
REF
REF
REF
REF
REF
REF
REF
REF
P-P
(Note 2) 700 kHz
P-P
REF
= 3.5MHz (50% duty cycle), external
CLK
= 130ksps (Notes 1, 2)
84.5
84
/ 2 82.5
/ 4 79 80.5
84.5
84
/ 2 82.5
/ 4 80.5
(Note 2) 2 MHz
/4 +V
REF
/2 0
REF
/2 +V
REF
REF
REF
/4 75 dB
REF
-1500 +650 µA
+V
5pF
6kΩ
REF
REF
REF
0
REF
REF
REF
/4
/2
/2
), C
ksps
MAX1034/MAX1035
DOUT
dB
dB
V
_______________________________________________________________________________________ 3
8/4通道，±V
REF
多量程输入、
串行14位ADC
ELECTRICAL CHARACTERISTICS (continued)
(AV
= AV
DD1
clock mode, V
= 50pF, C
INTERNAL REFERENCE (Bypass REFCAP with 0.1µF to AGND1 and REF with 1.0µF to AGND1)
Reference Output Voltage V
Reference Temperature
Coefficient
Reference Short-Circuit Current I
Reference Load Regulation I
EXTERNAL REFERENCE (REFCAP = AVDD)
MAX1034/MAX1035
Reference Input Voltage Range V
REFCAP Buffer Disable
Threshold
Reference Input Current I
Reference Input Resistance R
DIGITAL INPUTS (DIN, SCLK, CS)
Input High Voltage V
Input Low Voltage V
Input Hysteresis V
Input Leakage Current I
Input Capacitance C
DIGITAL OUTPUTS (DOUT, SSTRB)
Output Low Voltage V
Output High Voltage V
DOUT Tri-State Leakage Current I
POWER REQUIREMENTS (AV
Analog Supply Voltage AV
Digital Supply Voltage DV
= DVDD= DV
DD2
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
SSTRB
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
and AGND1, AV
DD1
REF
TC
REF
REFSC
REF
V
RCTH
REF
REF
IH
IL
HYST
IN
IN
OL
OH
DDO
DD1
DD
REF shorted to AGND1 10
REF shorted to AV
= 0 to 0.5mA 0.1 10 mV
REF
(Note 4)
V
= +4.096V, external clock mode,
REF
external acquisition mode, internal clock
mode, or partial power-down mode
V
= +4.096V, full power-down mode ±0.1 ±10
REF
External clock mode, external acquisition
mode, internal clock mode, or partial
power-down mode
Full power-down mode 40
VIN = 0 to DV
DV
DDO
DV
DDO
I
SOURCE
CS = DV
DD2
DDO
= 4.75V, I
= 2.7V, I
= 0.5mA
DDO
and AGND2, DVDD and DGND, DV
, maximum single-ended bipolar input range (±V
DD1
DD
= 10mA 0.4
SINK
= 5mA 0.4
SINK
= 3.5MHz (50% duty cycle), external
CLK
4.056 4.096 4.136 V
±30 ppm/°C
-1
3.800 4.136 V
AV
DD1
- 0.4
90 200
20 45
0.7 x
DV
DDO
0.2 V
-10 +10 µA
10 pF
DV
DDO
- 0.4
-10 +10 µA
and DGNDO)
DDO
4.75 5.25 V
4.75 5.25 V
AV
- 0.1
0.3 x
DV
REF
DD1
DDO
), C
DOUT
mA
V
µA
kΩ
V
V
V
V
4 _______________________________________________________________________________________
8/4通道，±V
REF
多量程输入、
串行14位ADC
ELECTRICAL CHARACTERISTICS (continued)
(AV
= AV
DD1
clock mode, V
= 50pF, C
Preamplifier Supply Voltage AV
Digital I/O Supply Voltage DV
AV
Supply Current I
DD1
DVDD Supply Current I
AV
Supply Current I
DD2
DV
Supply Current I
DDO
Total Supply Current
Power-Supply Rejection Ratio PSRR All analog input ranges ±0.125 LSB
TIMING CHARACTERISTICS (Figures 15 and 16)
SCLK Period t
DIN to SCLK Setup t
DIN to SCLK Hold t
SCLK Fall to DOUT Valid t
CS Fall to DOUT Enable t
CS Rise to DOUT Disable t
CS Fall to SCLK Rise Setup t
CS High Minimum Pulse Width t
SCLK Fall to CS Rise Hold t
SSTRB Rise to CS Fall Setup 40 ns
DOUT Rise/Fall Time CL = 50pF 10 ns
SSTRB Rise/Fall Time CL = 50pF 10 ns
= DVDD= DV
DD2
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
SSTRB
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
DD2
DDO
AVDD1
DVDD
AVDD2
DVDDO
CP
CH
CL
DS
DH
DO
DV
TR
CSS
CSPW
CSH
External clock mode,
external acquisition
mode, or internal
clock mode
External clock mode, external acquisition
mode, or internal clock mode
External clock mode, external acquisition
mode, or internal clock mode
External clock mode, external acquisition
mode, or internal clock mode
Partial power-down mode 1.3 mA
Full power-down mode 1 µA
External clock mode 272 62
External acquisition mode 228 62
Internal clock mode 100 83
External clock mode 109
External acquisition mode 92SCLK High Pulse Width (Note 5) t
Internal clock mode 40
External clock mode 109
External acquisition mode 92SCLK Low Pulse Width (Note 5) t
Internal clock mode 40
, maximum single-ended bipolar input range (±V
DD1
Internal reference 3 3.5
External reference 2.5 3
= 3.5MHz (50% duty cycle), external
CLK
4.75 5.25 V
2.70 5.25 V
0.9 2 mA
17.5 25 mA
0.2 1 mA
40 ns
0ns
40 ns
40 ns
0ns
), C
REF
40 ns
40 ns
40 ns
MAX1034/MAX1035
DOUT
mA
µs
ns
ns
_______________________________________________________________________________________ 5
8/4通道，±V
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1034/35 toc01
AV
DD1
(V)
I
AVDD1
(mA)
5.155.054.954.85
2.35
2.40
2.45
2.50
2.55
2.60
2.30
4.75 5.25
TA = +85°C
TA = +25°C
TA = -40°C
EXTERNAL CLOCK MODE
PREAMPLIFIER SUPPLY CURRENT
vs. PREAMPLIFIER SUPPLY VOLTAGE
MAX1034/35 toc02
AV
DD2
(V)
I
AVDD2
(mA)
5.155.054.85 4.95
16
17
18
19
20
21
22
23
24
15
4.75 5.25
TA = +85°C
TA = +25°C
TA = -40°C
EXTERNAL CLOCK MODE
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX1034/35 toc03
DVDD (V)
I
DVDD
(mA)
5.155.054.954.85
0.70
0.75
0.80
0.85
0.90
0.65
4.75 5.25
TA = +85°C
TA = +25°C
TA = -40°C
EXTERNAL CLOCK MODE
REF
多量程输入、
串行14位ADC
ELECTRICAL CHARACTERISTICS (continued)
(AV
= AV
DD1
clock mode, V
= 50pF, C
Note 1: Parameter tested at AV
Note 2: See definitions in the Parameter Definitions section at the end of the data sheet.
Note 3: Guaranteed by correlation with single-ended measurements.
Note 4: To ensure external reference operation, V
must be below (AV
sition point between internal reference mode and external reference mode lies between the REFCAP buffer disable threshold
minimum and maximum values (Figures 17 and 18).
Note 5: The SCLK duty cycle can vary between 40% and 60%, as long as the t
= DVDD= DV
DD2
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, TA= -40°C to +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
SSTRB
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
= AV
DD1
- 0.4V). Bypassing REFCAP with a 0.1µF or larger capacitor to AGND1 sets V
DD1
= DVDD= DV
DD2
REFCAP
= 5V.
DDO
must exceed (AV
, maximum single-ended bipolar input range (±V
DD1
- 0.1V). To ensure internal reference operation, V
DD1
and tCHtiming requirements are met.
CL
= 3.5MHz (50% duty cycle), external
CLK
REFCAP
REF
≈ 4.096V. The tran-
), C
MAX1034/MAX1035
_______________________________________________________________________典型工作特性
(AV
external clock mode, V
(±V
DD1
REF
= AV
), C
DD2
DOUT
= DVDD= DV
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, C
SSTRB
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
, maximum single-ended bipolar input range
DD1
= 50pF, unless otherwise noted.)
= 3.5MHz (50% duty cycle),
CLK
DOUT
REFCAP
6 _______________________________________________________________________________________
8/4通道，±V
I
(
A)
REF
多量程输入、
串行14位ADC
__________________________________________________________________典型工作特性 (续)
(AV
external clock mode, V
(±V
DD1
REF
= AV
), C
DD2
DOUT
= DVDD= DV
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, C
SSTRB
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
DD1
= 50pF, unless otherwise noted.)
= 3.5MHz (50% duty cycle),
CLK
, maximum single-ended bipolar input range
MAX1034/MAX1035
DIGITAL I/O SUPPLY CURRENT
vs. DIGITAL I/O SUPPLY VOLTAGE
0.28
EXTERNAL CLOCK MODE
0.26
0.24
0.22
TA = +85°C
0.20
(mA)
0.18
DVDDO
I
0.16
0.14
0.12
0.10
4.75 5.25
TA = +25°C
DV
DDO
TA = -40°C
(V)
PREAMPLIFIER SUPPLY CURRENT
vs. PREAMPLIFIER SUPPLY VOLTAGE
0.20
PARTIAL POWER-DOWN MODE
0.18
0.16
(mA)
TA = +25°C
AVDD2
I
0.14
0.12
0.10
4.75 5.25
TA = -40°C
AV
(V)
DD2
5.155.054.85 4.95
TA = +85°C
5.155.054.954.85
MAX1034/35 toc04
MAX1034/35 toc06
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
0.55
PARTIAL POWER-DOWN MODE
0.53
TA = +85°C
0.51
(mA)
AVDD1
I
0.49
0.47
0.45
4.75 5.25
TA = +25°C
TA = -40°C
AV
DD1
(V)
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
0.136
PARTIAL POWER-DOWN MODE
0.134
0.132
0.130
m
0.128
DVDD
0.126
0.124
0.122
0.120
4.75 5.25
TA = +85°C
TA = -40°C
TA = +25°C
DVDD (V)
MAX1034/35 toc05
5.155.054.954.85
MAX1034/35 toc07
5.154.85 5.054.95
_______________________________________________________________________________________ 7
8/4通道，±V
REF
多量程输入、
串行14位ADC
______________________________________________________________________典型工作特性 (续)
(AV
external clock mode, V
(±V
MAX1034/MAX1035
DD1
REF
= AV
), C
DD2
DOUT
= DVDD= DV
= 50pF, C
SSTRB
= 4.096V (external reference operation), REFCAP = AV
REF
ANALOG SUPPLY CURRENT
3.0
EXTERNAL CLOCK MODE
2.5
2.0
PARTIAL
(mA)
POWER-DOWN MODE
1.5
AVDD1
I
1.0
0.5
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
DD1
= 50pF, unless otherwise noted.)
PREAMPLIFIER SUPPLY CURRENT
vs. CONVERSION RATE
25
f
CLK
20
EXTERNAL CLOCK MODE
FULL POWER-DOWN MODE,
15
PARTIAL POWER-DOWN MODE
(mA)
AVDD2
I
10
5
FULL
POWER-DOWN MODE
MAX1034/35 toc08
= 3.5MHz (50% duty cycle),
CLK
, maximum single-ended bipolar input range
vs. CONVERSION RATE
= 7.5MHz (NOTE 6)
MAX1034/35 toc09
(mA)
DVDDO
I
0
CONVERSION RATE (ksps)
DIGITAL I/O SUPPLY CURRENT
vs. CONVERSION RATE
0.6
f
= 7.5MHz (NOTE 6)
CLK
0.5
0.4
0.3
0.2
0.1
0
0
EXTERNAL CLOCK MODE
FULL POWER-DOWN MODE,
PARTIAL POWER-DOWN MODE
CONVERSION RATE (ksps)
150100500
200
MAX1034/35 toc11
20015010050
0
0
DIGITAL SUPPLY CURRENT
1.8
f
= 7.5MHz (NOTE 6)
CLK
1.6
1.4
EXTERNAL CLOCK MODE,
1.2
PARTIAL POWER-DOWN MODE
1.0
(mA)
0.8
DVDD
I
0.6
0.4
0.2
0
0
CONVERSION RATE (ksps)
vs. CONVERSION RATE
FULL POWER-DOWN MODE
15010050
CONVERSION RATE (ksps)
20015010050
MAX1034/35 toc10
200
Note 6: For partial power-down and full power-down modes, external clock mode was used for a burst of continuous samples.
Partial power-down or full power-down modes were entered thereafter. By using this method, the conversion rate was found
by averaging the number of conversions over the time starting from the first conversion to the end of the partial power-down
or full power-down modes.
8 _______________________________________________________________________________________
8/4通道，±V
)
REF
多量程输入、
串行14位ADC
______________________________________________________________________典型工作特性 (续)
(AV
external clock mode, V
(±V
DD1
REF
= AV
), C
DD2
DOUT
= DVDD= DV
= 4.096V (external reference operation), REFCAP = AV
REF
= 50pF, C
SSTRB
DDO
EXTERNAL REFERENCE INPUT CURRENT
vs. EXTERNAL REFERENCE INPUT VOLTAGE
0.16
ALL MODES
0.15
0.14
0.13
EXTERNAL REFERENCE CURRENT (mA)
0.12
3.80 4.15
EXTERNAL REFERENCE VOLTAGE (V)
CHANNEL-TO-CHANNEL ISOLATION
vs. INPUT FREQUENCY
0
f
= 115ksps
SAMPLE
BIPOLAR RANGE
±V
REF
-20
CH0 TO CH2
-40
-60
ISOLATION (dB)
-80
-100
-120
1 10,000
FREQUENCY (kHz
100010010
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
, maximum single-ended bipolar input range
DD1
= 50pF, unless otherwise noted.)
GAIN DRIFT
0.10
0.08
0.06
MAX1034/35 toc12
0.04
0.02
0
-0.02
GAIN DRIFT (%)
-0.04
-0.06
-0.08
4.104.054.003.953.903.85
-0.10
-40 10-15 35 60 85
vs. TEMPERATURE
±V
BIPOLAR RANGE
REF
+V
/2 BIPOLAR
REF
±V
/4 BIPOLAR
REF
TEMPERATURE (°C)
MAX1034/35 toc13
OFFSET ERROR (mV)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
0
f
= 115ksps
SAMPLE
MAX1034/35 toc15
CMRR (dB)
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
BIPOLAR RANGE
±V
REF
1 10,000
100010010
MAX1034/35 toc16
INL (LSB)
= 3.5MHz (50% duty cycle),
CLK
OFFSET DRIFT
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-40 10-15 35 60 85
vs. TEMPERATURE
+V
/4 BIPOLAR RANGE
REF
±V
BIPOLAR
REF
TEMPERATURE (°C)
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
1.0
f
= 115ksps
SAMPLE
BIPOLAR RANGE
±V
REF
0.5
0
-0.5
-1.0
0 81924096 12,288 16,383
DIGITAL OUTPUT CODE
MAX1034/MAX1035
MAX1034/35 toc14
MAX1034/35 toc17
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
1.0
f
= 115ksps
SAMPLE
BIPOLAR RANGE
±V
REF
0.5
0
DNL (LSB)
-0.5
-1.0
081924096 12,288 16,383
DIGITAL OUTPUT CODE
MAX1034/35 toc18
0
-20
-40
-60
-80
MAGNITUDE (dB)
-100
-120
-140
0203010 40 50
FFT AT 5kHz
f
SAMPLE
f
IN(SINE WAVE)
±V
REF
FREQUENCY (kHz)
= 115ksps
= 5kHz
BIPOLAR RANGE
_______________________________________________________________________________________ 9
MAX1034/35 toc19
8/4通道，±V
SNR, SINAD, ENOB vs. SAMPLE RATE
MAX1034/35 toc21
SAMPLE RATE (ksps)
SNR, SINAD (dB)
100101
20
40
60
80
100
0
0.1 1000
ENOB
SNR, SINAD
f
IN(SINE WAVE)
= 5kHz
±V
REF
BIPOLAR RANGE
10
11
12
13
14
9
ENOB (BITS)
-SFDR, THD vs. SAMPLE RATE
MAX1034/35 toc22
SAMPLE RATE (ksps)
-SFDR, THD (dB)
100101
-100
-80
-60
-40
-20
0
-120
0.1 1000
f
IN(SINE WAVE)
= 5kHz
±V
REF
BIPOLAR RANGE
THD
-SFDR
-SFDR, THD vs. ANALOG INPUT
FREQUENCY
MAX1034/35 toc23
FREQUENCY (kHz)
-SFDR, THD (dB)
10010
-100
-80
-60
-40
-20
0
-120
1 1000
f
SAMPLE
= 115ksps
±V
REF
BIPOLAR RANGE
THD
-SFDR
ANALOG INPUT CURRENT
vs. ANALOG INPUT VOLTAGE
MAX1034/35 toc24
ANALOG INPUT VOLTAGE (V)
ANALOG INPUT CURRENT (mA)
420-2-4
-0.5
-1.0
0
0.5
1.0
1.5
-1.5
-6 6
ALL MODES
REF
多量程输入、
串行14位ADC
_____________________________________________________________________典型工作特性 (续)
(AV
external clock mode, V
(±V
MAX1034/MAX1035
DD1
REF
= AV
), C
DD2
DOUT
= DVDD= DV
REF
= 50pF, C
SSTRB
= 4.096V (external reference operation), REFCAP = AV
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
DDO
= 50pF, unless otherwise noted.)
SNR, SINAD, ENOB
vs. ANALOG INPUT FREQUENCY
100
90
80
70
60
50
40
SNR, SINAD (dB)
30
20
f
= 115ksps
SAMPLE
10
0
BIPOLAR RANGE
±V
REF
11000
FREQUENCY (kHz)
10010
MAX1034/35 toc20
SNR
SINAD
ENOB
16
15
14
13
12
11
10
9
8
7
6
ENOB (BITS)
= 3.5MHz (50% duty cycle),
, maximum single-ended bipolar input range
DD1
CLK
10 ______________________________________________________________________________________
Loading...