参数资料
型号: MAX19700ETM+T
厂商: Maxim Integrated Products
文件页数: 29/32页
文件大小: 0K
描述: IC ANLG FRNT END 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
位数: 10
通道数: 2
功率(瓦特): 36.3mW
电压 - 电源,模拟: 3V
电压 - 电源,数字: 3V
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 带卷 (TR)
MAX19700
7.5Msps, Ultra-Low-Power
Analog Front-End
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3V, OVDD = 1.8V, internal reference (1.024V), CL ≈ 10pF on all digital outputs, fCLK = 7.5MHz (50% duty cycle), ADC input
amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, CREFP = CREFN = CCOM =
0.33F. Typical values are at TA = +25°C, unless otherwise noted. CL < 5pF on all aux-DAC outputs.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TRANSMIT-PATH INTERCHANNEL CHARACTERISTICS
I-to-Q Output Isolation
fOUTx,Y = 500kHz, fOUTx,Y = 620kHz
85
dB
Gain Mismatch Between DAC
Outputs
Measured at DC
-0.3
±0.05
+0.3
dB
Phase Mismatch Between DAC
Outputs
fOUT = 620kHz, fCLK = 7.5MHz
±0.16
Degrees
Differential Output Impedance
800
TRANSMIT-PATH ANALOG OUTPUT
Bit E7 = 0 (default)
±410
Full-Scale Output Voltage
(Table 6)
VFS
Bit E7 = 1
±500
mV
Bits CM1 = 0, CM0 = 0 (default)
1.32
1.4
1.48
Bits CM1 = 0, CM0 = 1
1.25
Bits CM1 = 1, CM0 = 0
1.1
Output Common-Mode Voltage
(Table 8)
Bits CM1 = 1, CM0 = 1
0.9
V
RECEIVE TRANSMIT-PATH INTERCHANNEL CHARACTERISTICS
Receive Transmit Isolation
ADC fINI = fINQ = 1.875MHz, DAC fOUTI =
fOUTQ = 620kHz, fCLK = 7.5MHz
85
dB
AUXILIARY DACs (DAC1, DAC2, DAC3)
Resolution
(Note 6)
12
Bits
Integral Nonlinearity
INL
±1.25
LSB
Differential Nonlinearity
DNL
Guaranteed monotonic over codes 100 to
4000 (Note 6)
±0.65
LSB
Gain Error
GE
RL > 200k
±0.7
%FS
Zero-Code Error
±0.6
%FS
Output-Voltage Low
VOL
RL > 200k
0.1
V
Output-Voltage High
VOH
RL > 200k
2.56
V
DC Output Impedance
DC output at midscale
4
Settling Time
From 1/4 FS to 3/4 FS
1
s
Glitch Impulse
From 0 to FS transition
24
nVs
Rx ADC-Tx DAC TIMING CHARACTERISTICS
CLK Rise to Channel-I Output Data
Valid
tDOI
Figure 3 (Note 6)
6.9
10
ns
CLK Fall to Channel-Q Output
Data Valid
tDOQ
Figure 3 (Note 6)
9.3
13
ns
CLK Rise/Fall to DR Rise/Fall Time
tDR
Figure 3 (Note 6)
8.5
12
ns
I-DAC DATA to CLK Fall Setup
Time
tDSI
Figure 5 (Note 6)
10
ns
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